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1.
Health Psychol ; 42(11): 810-821, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37883037

RESUMO

OBJECTIVE: Black adolescents in South Africa are disproportionately affected by HIV. A cluster-randomized controlled experiment examining the effects of a sexual risk-reduction intervention successfully reduced self-reported intercourse and unprotected intercourse. Based on long-term follow-up assessments, the present research examines theoretical constructs that could potentially mediate the intervention effects and how time and gender, respectively, moderated the mediation. METHOD: The behavioral outcome was measured by asking whether participants had had any vaginal sex in the past 3 months. Mediation and moderated mediation were tested based on the 3-, 6-, 12-, 42-, and 54-month postintervention outcomes. RESULTS: Three variables through which the sexual risk-reduction intervention had a significant mediated effect on the behavioral outcome were identified: abstinence career opportunities outcome expectancy (α × ß product = -0.086, 95% asymmetric confidence interval [ACI] [-0.126, -0.047]), expected parental approval of sexual intercourse (α × ß product = -0.061, [-0.102, -0.025]), and self-efficacy to avoid sexual-risk situations (α × ß product = -0.022, [-0.049, -0.001]). The moderated mediation analysis showed that gender moderated the intervention's effects on abstinence prevention outcome expectancy (B = -0.186, SEB = 0.079, p = .019), expected parental approval of sexual intercourse (B = 0.143, SEB = 0.058, p = .013), and self-efficacy to avoid sexual-risk situations (B = -0.293, SEB = 0.112, p = .009). The moderated mediation analysis also revealed that time moderated the effects of the intervention on abstinence career opportunities outcome expectancy (B = -0.293, SEB = 0.106, p = .006), self-efficacy to avoid sexual-risk situations (B = 0.335, SEB = 0.060, p < .001), and cultural myths regarding HIV transmission (B = 0.138, SEB = 0.042, p = .001); and the association between four theoretical constructs and the behavioral outcome: abstinence career opportunities outcome expectancy (B = -0.267, SEB = 0.104, p = .001), self-efficacy to refuse sex (B = -0.132, SEB = 0.043, p = .002), self-efficacy to avoid sexual-risk situations (B = -0.093, SEB = 0.055, p = .009), and HIV risk-reduction knowledge (B = -0.286, SEB = 0.134, p = .003). CONCLUSIONS: The present study identifies theoretical constructs that mediated the intervention effects on the sexual behavior among South African adolescents for an extended period of time. The findings also reveal gender differences in psychological mechanisms initiated by a sexual risk-reduction intervention and the long-term temporal dynamics of the intervention. (PsycInfo Database Record (c) 2023 APA, all rights reserved).


Assuntos
Infecções por HIV , Feminino , Humanos , Adolescente , África do Sul , Infecções por HIV/prevenção & controle , Promoção da Saúde , Comportamento Sexual/psicologia , Comportamento de Redução do Risco
2.
J Adolesc Health ; 65(1): 139-146, 2019 07.
Artigo em Inglês | MEDLINE | ID: mdl-31028006

RESUMO

PURPOSE: Scant research has investigated whether health promotion interventions have sustained effects in increasing physical activity and healthful diet among adolescents in sub-Saharan Africa, which is experiencing an epidemiological transition from infectious diseases to noncommunicable diseases as leading causes of mortality. We examined whether an intervention increased adherence to 5-a-day diet and physical activity guidelines during a 54-month postintervention period among South African adolescents and whether its effects weakened at long-term (42 and 54 months postintervention) compared with short-term (3, 6, and 12 months postintervention) follow-up. METHODS: We randomized 18 randomly selected schools serving grade 6 learners (mean age = 12.6) in a township and a semirural area in Eastern Cape Province, South Africa, to one of the two 12-hour interventions: health promotion, targeting healthful diet and physical activity; attention-matched control, targeting sexual risk behaviors. We tested the intervention's effects on adherence to 5-a-day diet and physical activity guidelines using generalized estimating equations logistic regression models adjusting for baseline behavior and clustering within schools. RESULTS: Health promotion intervention participants had higher odds of meeting 5-a-day diet and physical activity guidelines than control participants. The effect on 5-a-day diet did not weaken at long-term compared with short-term follow-up, but the effect on physical activity guidelines was weaker at long-term follow-up, mainly because of a reduced effect on muscle-strengthening physical activity. The intervention also increased health promotion attitude and intention and health knowledge and reduced binge drinking compared with the control group. CONCLUSIONS: A 12-hour intervention in grade 6 shows promise in increasing self-reported adherence to healthful diet and physical activity guidelines during a 4.5-year postintervention period among South African adolescents.


Assuntos
Dieta Saudável , Exercício Físico , Conhecimentos, Atitudes e Prática em Saúde , Promoção da Saúde , Adolescente , Criança , Feminino , Humanos , Masculino , Comportamento de Redução do Risco , África do Sul , Estudantes/estatística & dados numéricos , Fatores de Tempo
3.
Psychol Health ; 33(6): 810-826, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29415576

RESUMO

OBJECTIVE: To develop targeted interventions for high-risk drinkers among South African men, we assessed whether sociodemographic factors and history of childhood sexual abuse predicted binge drinking at six-month follow-up assessment and their psychological pathways according to the extended Theory of Reasoned Action (TRA). DESIGN: Survey responses with a sample of 1181 South African men from randomly selected neighbourhoods in Eastern Cape Province were collected at baseline and six-month follow-up. Multiple logistic regression analysis examined the baseline predictors of binge drinking. Serial multiple mediation analysis examined the psychological pathways. MAIN OUTCOME MEASUREMENTS: Binge drinking at six-month follow-up. RESULTS: Age (OR = 1.03, 95% CI: 1.01, 1.05), religious participation (OR = .73, CI: .65, .82) and history of childhood sexual abuse (OR = 1.82, CI: 1.32, 2.51) were significant predictors of binge drinking. Predictions of religious participation and history of childhood sexual abuse were partially mediated through attitude, subjective norm, descriptive norm and intention to binge drinking. CONCLUSION: South African men with childhood sexual abuse experience and low religious participation were at higher risk for binge drinking. The extended TRA model explains the associations of these factors to binge drinking and can contribute to the design and evaluation of interventions.


Assuntos
Consumo Excessivo de Bebidas Alcoólicas/epidemiologia , Consumo Excessivo de Bebidas Alcoólicas/psicologia , Adolescente , Adulto , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de Risco , África do Sul/epidemiologia , Inquéritos e Questionários , Adulto Jovem
4.
JAMA Netw Open ; 1(4): e181213, 2018 08 03.
Artigo em Inglês | MEDLINE | ID: mdl-30646113

RESUMO

Importance: Scant research has investigated interventions to reduce forced sexual intercourse among adolescents. The need for such interventions is especially great in South Africa, which has some of the highest rates of sexual assault in the world. Objectives: To determine whether an HIV/sexually transmitted disease risk-reduction intervention that reduced sexual risk behavior and sexually transmitted disease prevalence also reduced the perpetration and experience of forced sex among South African adolescents. Design, Setting, and Participants: A cluster randomized clinical trial, at schools located in a township and a semirural area, Eastern Cape Province, South Africa. Matched pairs of schools were randomly selected (9 of 17); of 1118 students in sixth grade at these 18 schools who had parent or guardian consent, 1057 (94%) were enrolled, and those not reporting forced sex perpetration before the intervention were included in the analyses (n = 1052). Post hoc secondary analysis of a cluster randomized clinical trial was performed, with baseline and 3-, 6-, 12-, 42-, and 54-month postintervention assessments between October 4, 2004, and June 30, 2010. Generalized estimating equation Poisson regression analyses adjusting for gender and clustering within schools were conducted between August 23, 2017, and April 30, 2018. Recruiters and data collectors, but not intervention facilitators, were blind to the participants' intervention assignment. Interventions: Theory-based, culturally adapted, 6-session HIV/sexually transmitted disease risk-reduction intervention (Let Us Protect Our Future intervention) and attention-matched, chronic disease prevention control intervention implemented by specially trained man and woman cofacilitators from the community. Main Outcomes and Measures: Study outcomes for this secondary analysis (planned after the data were collected) are self-reports of perpetrating and experiencing forced vaginal intercourse. Results: Participants included 1052 adolescents (557 girls [53%]; mean [SD] age, 12.4 [1.2] years) reporting not perpetrating forced sex at baseline. Fewer intervention than control participants reported forced sex perpetration postintervention compared with the control group at 3 months (9 of 561 [2%] vs 20 of 491 [4%]; risk ratio [RR], 0.978; 95% CI, 0.959-0.997), 6 months (17 of 561 [3%] vs 35 of 491 [7%]; RR, 0.964; 95% CI, 0.941-0.988), 12 months (21 of 561 [4%] vs 42 of 491 [9%]; RR, 0.959; 95% CI, 0.934-0.985), 42 months (41 of 561 [7%] vs 56 of 491 [11%]; RR, 0.967; 95% CI, 0.937-0.998), and 54 months (52 of 561 [9%] vs 68 of 491 [14%]; RR, 0.964; 95% CI, 0.932-0.997). Conclusions and Relevance: In settings with high rates of sexual assault, the use of theory-based culturally adapted interventions with early adolescents may reduce rates of perpetrating and experiencing forced sex. Trial Registration: ClinicalTrials.gov Identifier: NCT00559403.


Assuntos
Terapia Comportamental , Infecções por HIV/prevenção & controle , Estupro/prevenção & controle , Infecções Sexualmente Transmissíveis/prevenção & controle , Adolescente , Criança , Feminino , Humanos , Masculino , Comportamento de Redução do Risco , África do Sul
5.
Behav Med ; 44(4): 297-305, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-28682186

RESUMO

To evaluate the efficacy of a health-promotion intervention in increasing self-reported physical activity among university students in Sub-Saharan Africa. Randomly selected second-year students at a university in South Africa were randomized to an intervention based on social cognitive theory: health-promotion, targeting physical activity and fruit, vegetable, and fat consumption; or HIV risk-reduction, targeting sexual-risk behaviors. Participants completed assessments via audio computer-assisted self-interviewing pre-intervention and 6 and 12 months post-intervention. A total of 176 were randomized with 171 (97.2%) retained 12 months post-intervention. Generalized-estimating-equations analyses indicated that the health-promotion-intervention participants were more likely to meet physical-activity guidelines than were control participants, post-intervention, adjusting for pre-intervention physical activity (odds ratio [OR] = 3.35; 95% CI: 1.33-8.41). Health-promotion participants reported a greater number of days they did vigorous-intensity (risk ratio [RR] = 2.01; 95% CI: 1.43-2.83) and moderate-intensity (RR = 1.40; 95% CI: 1.01-1.95) aerobic activity, but not strength-building activity (RR = 1.37; 95% CI: 0.091-2.07). The intervention reduced self-reported servings of fried foods (mean difference = -0.31; 95% CI: -0.60, -0.02). The findings suggest that theory-based, contextually appropriate interventions may increase physical activity among university students in Sub-Saharan Africa.


Assuntos
Exercício Físico/psicologia , Promoção da Saúde/métodos , Autorrelato , Estudantes/psicologia , Universidades , África Subsaariana , Feminino , Humanos , Masculino , Projetos Piloto , Adulto Jovem
6.
Ann Behav Med ; 51(2): 170-178, 2017 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-27844325

RESUMO

BACKGROUND: Intimate partner violence directed at women by men continues to be a global concern. However, little is known about the factors associated with perpetrating intimate partner violence among heterosexual men. PURPOSE: History of childhood sexual abuse and other sociodemographic variables were examined as potential factors associated with severe intimate partner violence perpetration toward women in a sample of heterosexual men in South Africa. METHODS: Longitudinal logistic generalized estimating equations examined associations of childhood sexual abuse and sociodemographic variables at baseline with intimate partner violence perpetration at subsequent time points. RESULTS: Among participants with a steady female partner, 21.81 % (190/ 871) reported perpetrating intimate partner violence in the past year at baseline. Having a history of childhood sexual abuse (p < .001), binge drinking (p = .002), being employed (p = .050), and more difficulty controlling sexual impulses in order to use a condom (p = .006) at baseline were associated with self-reported intimate partner violence perpetration in the past year at subsequent time points. CONCLUSIONS: With high levels of recent severe physical and/or sexual intimate partner violence perpetration in South Africa, comprehensive interventions are urgently needed. To more fully address gender-based violence, it is important to address associated factors, including exposure to childhood sexual abuse that could impact behavior later in life and that have long-lasting and deleterious effects on men and their female partners.


Assuntos
Sobreviventes Adultos de Maus-Tratos Infantis/psicologia , Consumo Excessivo de Bebidas Alcoólicas/psicologia , Violência por Parceiro Íntimo/psicologia , Delitos Sexuais/psicologia , Comportamento Sexual/psicologia , Adulto , Emprego , Feminino , Heterossexualidade , Humanos , Masculino , Homens , Fatores de Risco , Assunção de Riscos , Fatores Socioeconômicos , África do Sul
7.
Health Psychol ; 35(7): 751-760, 2016 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-27111184

RESUMO

OBJECTIVES: Low relationship power and victimization by intimate partner violence (IPV) have been linked to HIV risks among adult and adolescent women. This article examines associations of IPV and relationship power with sexual-risk behaviors and whether the associations differ by gender among South African adolescents. METHOD: Sexual-risk behaviors (multiple partners in past 3 months; condom use at last sex), IPV, and relationship power were collected from 786 sexually experienced adolescents (mean age = 16.9) in Eastern Cape Province, South Africa, during the 54-month follow-up of a HIV/sexually transmitted infection (STI) risk-reduction intervention trial. The data were analyzed with logistic regression models. RESULTS: Adolescent boys were less likely to report condom use at last sex (p = .001) and more likely to report multiple partners (p < .001). A Gender × IPV interaction (p = .002) revealed that as IPV victimization increased, self-reported condom use at last sex decreased among girls, but increased among boys. A Gender × Relationship Power interaction (p = .004) indicated that as relationship power increased, self-reported condom use at last sex increased among girls, but decreased among boys. A Gender × IPV interaction (p = .004) indicated that as IPV victimization increased, self-reports of having multiple partners increased among boys, but not among girls. As relationship power increased, self-reports of having multiple partners decreased irrespective of gender. CONCLUSIONS: HIV risk-reduction interventions and policies should address gender differences in sexual-risk consequences of IPV and relationship power among adolescents and promote gender equity. (PsycINFO Database Record


Assuntos
Poder Psicológico , Assunção de Riscos , Caracteres Sexuais , Comportamento Sexual/psicologia , Infecções Sexualmente Transmissíveis/transmissão , Maus-Tratos Conjugais/psicologia , Adolescente , Comportamento do Adolescente/psicologia , Feminino , Infecções por HIV/psicologia , Infecções por HIV/transmissão , Humanos , Masculino , Sexo Seguro , Parceiros Sexuais/psicologia , Infecções Sexualmente Transmissíveis/psicologia , África do Sul , Adulto Jovem
8.
AIDS Behav ; 19(10): 1842-9, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-25969177

RESUMO

"Men, Together Making a Difference!" is an HIV/STD risk-reduction intervention that significantly increased self-reported consistent condom use during vaginal intercourse compared with a health-promotion attention-control intervention among men (N = 1181) in Eastern Cape Province, South Africa. The present analyses were designed to identify mediators of the intervention's efficacy. The potential mediators were Social Cognitive Theory (SCT) constructs that the intervention targeted, including several aspects of condom-use self-efficacy, outcome expectancies, and knowledge. Mediation was assessed using a product-of-coefficients approach where an α path (the intervention's effect on the potential mediator) and a ß path (the potential mediator's effect on the outcome of interest, adjusting for intervention) were estimated independently in a generalized estimating equations framework. Condom-use negotiation self-efficacy, technical-skill self-efficacy, and impulse-control self-efficacy were significant mediators. Although not mediators, descriptive norm and expected friends' approval of condom use predicted subsequent self-reported condom use, whereas the expected approval of sexual partner did not. The present results suggest that HIV/STD risk-reduction interventions that draw upon SCT and that address self-efficacy to negotiate condom use, to apply condoms correctly, and to exercise sufficient control when sexually aroused to use condoms may contribute to efforts to reduce sexual risk behavior among South African men. Future research must examine whether approaches that build normative support for condom use among men's friends are also efficacious.


Assuntos
Terapia Comportamental/métodos , População Negra/psicologia , Preservativos/estatística & dados numéricos , Infecções por HIV/prevenção & controle , Conhecimentos, Atitudes e Prática em Saúde , Comportamento de Redução do Risco , Comportamento Sexual/psicologia , Adolescente , Adulto , Feminino , Seguimentos , Infecções por HIV/etnologia , Infecções por HIV/psicologia , Promoção da Saúde/métodos , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Negociação , Assunção de Riscos , Autoeficácia , Comportamento Sexual/etnologia , Parceiros Sexuais , África do Sul , Resultado do Tratamento , Sexo sem Proteção
9.
Sex Transm Dis ; 42(3): 135-9, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25668645

RESUMO

BACKGROUND: Adolescents living in South Africa are at high risk for HIV and other sexually transmitted diseases (STDs). The present study sought to identify correlates of curable STD incidence among a cohort of adolescents in Eastern Cape Province, South Africa. METHODS: Data were collected in conjunction with an HIV/STD prevention intervention randomized controlled trial. At 54 months postintervention, curable STD incidence (gonorrhea, chlamydial infection, and trichomoniasis) was assayed and self-report measures of potential correlates of STD incidence were collected. RESULTS: Participants were adolescents reporting at least 1 sexual partner in the past 3 months (n = 659). As expected, univariate analyses revealed that girls were more likely than boys to have an STD. In addition, intimate partner violence, unprotected sex, and having older partners were associated with incident STD. In Poisson multiple regression analyses, sex (risk ratio [RR], 4.00; 95% confidence interval [CI], 2.51-6.39), intimate partner violence (RR, 1.23; 95% CI, 1.12-1.35), unprotected sex (RR, 1.42; 95% CI, 1.09-2.01), and multiple partners (RR, 1.70; 95% CI, 1.11-2.61), but not partner's age (RR, 1.00; 95% CI, 0.94-1.07) were associated with incident STD, adjusting for 42-month STD prevalence. Binge drinking, forced sex, and age were unrelated to STD incidence in both analyses. Interactions between sex and the hypothesized correlates were nonsignificant, suggesting that sex did not modify these relationships. CONCLUSIONS: Interventions to reduce HIV/STD incidence among adolescents in South Africa should address the risk associated with sex, unprotected sex, intimate partner violence, and multiple partnerships.


Assuntos
Alcoolismo/psicologia , Comportamento Sexual/psicologia , Infecções Sexualmente Transmissíveis/prevenção & controle , Maus-Tratos Conjugais/psicologia , Adolescente , Alcoolismo/epidemiologia , Feminino , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Incidência , Masculino , Prevalência , Fatores de Risco , Autorrelato , Comportamento Sexual/estatística & dados numéricos , Infecções Sexualmente Transmissíveis/epidemiologia , Infecções Sexualmente Transmissíveis/psicologia , África do Sul/epidemiologia , Maus-Tratos Conjugais/estatística & dados numéricos , Inquéritos e Questionários
10.
Prev Med ; 72: 1-7, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25565482

RESUMO

OBJECTIVE: Increasing physical activity is an important public-health goal worldwide, but there are few published mediation analyses of physical-activity interventions in low-to-middle-income countries like South Africa undergoing a health transition involving markedly increased mortality from non-communicable diseases. This article reports secondary analyses on the mediation of a theory-of-planned-behavior-based behavioral intervention that increased self-reported physical activity in a trial with 1181 men in Eastern Cape Province, South Africa. METHOD: Twenty-two matched-pairs of neighborhoods were randomly selected. Within pairs, neighborhoods were randomized to a health-promotion intervention or an attention-matched control intervention with baseline, immediate-post, and 6- and 12-month post-intervention assessments. Theory-of-planned-behavior constructs measured immediately post-intervention were tested as potential mediators of the primary outcome, self-reported physical activity averaged over the 6- and 12-month post-intervention assessments, using a product-of-coefficients approach in a generalized-estimating-equations framework. Data were collected in 2007-2010. RESULTS: Attitude, subjective norm, self-efficacy, and intention were significant mediators of intervention-induced increases in self-reported physical activity. The descriptive norm, not affected by the intervention, was not a mediator, but predicted increased self-reported physical activity. CONCLUSION: The results suggest that interventions targeting theory-of-planned-behavior constructs may contribute to efforts to increase physical activity to reduce the burden of non-communicable diseases among South African men.


Assuntos
Exercício Físico/psicologia , Promoção da Saúde/métodos , Negociação , Teoria Social , Adolescente , Adulto , Atitude Frente a Saúde , Comportamentos Relacionados com a Saúde , Humanos , Intenção , Masculino , Pessoa de Meia-Idade , Autorrelato , África do Sul , Inquéritos e Questionários , Adulto Jovem
11.
Health Psychol ; 34(6): 610-21, 2015 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-25110841

RESUMO

OBJECTIVE: Little research has tested HIV/sexually transmitted infection (STI) risk-reduction interventions' effects on early adolescents as they age into middle and late adolescence. This study tested whether intervention-induced reductions in unprotected intercourse during a 12-month period endured over a 54-month period and whether the intervention reduced the prevalence of STIs, which increase risk for HIV. METHOD: Grade 6 learners (mean age = 12.4 years) participated in a 12-month trial in Eastern Cape Province, South Africa, in which 9 matched pairs of schools were randomly selected and within pairs randomized to a theory-based HIV/STI risk-reduction intervention or an attention-control intervention. They completed 42- and 54-month postintervention measures of unprotected intercourse (the primary outcome), other sexual behaviors, theoretical constructs, and, at 42- and 54-month follow-up only, biologically confirmed curable STIs (chlamydial infection, gonorrhea, and trichomoniasis) and herpes simplex virus 2. RESULTS: The HIV/STI risk-reduction intervention reduced unprotected intercourse averaged over the entire follow-up period (OR = 0.42, 95% CI [0.22, 0.84]), an effect not significantly reduced at 42- and 54-month follow-up compared with 3-, 6-, and 12-month follow-ups. The intervention caused positive changes on theoretical constructs averaged over the 5 follow-ups, although most effects weakened at long-term follow-up. Although the intervention's main effect on STIs was nonsignificant, an Intervention Condition × Time interaction revealed that it significantly reduced curable STIs at 42-month follow-up in adolescents who reported sexual experience. CONCLUSION: These results suggest that theory-based behavioral interventions with early adolescents can have long-lived effects in the context of a generalized severe HIV epidemic.


Assuntos
Infecções por HIV/prevenção & controle , Promoção da Saúde/normas , Comportamento de Redução do Risco , Adolescente , Feminino , Infecções por HIV/epidemiologia , Humanos , Masculino , Programas de Rastreamento , Comportamento Sexual/psicologia , África do Sul , Adulto Jovem
12.
Prev Med ; 64: 114-20, 2014 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-24736094

RESUMO

OBJECTIVE: To determine whether a health-promotion intervention increases South African men's adherence to physical-activity guidelines. METHOD: We utilized a cluster-randomized controlled trial design. Eligible clusters, residential neighborhoods near East London, South Africa, were matched in pairs. Within randomly selected pairs, neighborhoods were randomized to theory-based, culturally congruent health-promotion intervention encouraging physical activity or attention-matched HIV/STI risk-reduction control intervention. Men residing in the neighborhoods and reporting coitus in the previous 3 months were eligible. Primary outcome was self-reported individual-level adherence to physical-activity guidelines averaged over 6-month and 12-month post-intervention assessments. Data were collected in 2007-2010. Data collectors, but not facilitators or participants, were blind to group assignment. RESULTS: Primary outcome intention-to-treat analysis included 22 of 22 clusters and 537 of 572 men in the health-promotion intervention and 22 of 22 clusters and 569 of 609 men in the attention-control intervention. Model-estimated probability of meeting physical-activity guidelines was 51.0% in the health-promotion intervention and 44.7% in attention-matched control (OR=1.34; 95% CI, 1.09-1.63), adjusting for baseline prevalence and clustering from 44 neighborhoods. CONCLUSION: A theory-based culturally congruent intervention increased South African men's self-reported physical activity, a key contributor to deaths from non-communicable diseases in South Africa. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT01490359.


Assuntos
Dieta/normas , Comportamentos Relacionados com a Saúde/etnologia , Promoção da Saúde/métodos , Atividade Motora , Comportamento de Redução do Risco , Adolescente , Adulto , População Negra , Análise por Conglomerados , Competência Cultural , Frutas , Fidelidade a Diretrizes/estatística & dados numéricos , Infecções por HIV/prevenção & controle , Infecções por HIV/transmissão , Humanos , Masculino , Pessoa de Meia-Idade , Infecções Sexualmente Transmissíveis/prevenção & controle , Teoria Social , África do Sul , Verduras , Adulto Jovem
13.
AIDS Behav ; 18(10): 1991-7, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-24722765

RESUMO

The primary mode of HIV transmission in South Africa is heterosexual sexual behavior. HIV prevention research specifically focusing on men in South Africa is limited. We assessed self-reported HIV risk behaviors in 1,181 men ages 18 to 45 years in randomly selected neighborhoods in Eastern Cape Province, South Africa. Older men were less likely to report having multiple partners. Religiosity was a protective factor for condom use and unprotected sex with steady partners. Discussing using condoms was a protective factor for condom use and unprotected sex with both steady and casual partners. Having a child was associated with decreased condom use with steady partners and employment was associated with decreased condom use with casual partners. The findings suggest the need for HIV risk-reduction behavioral interventions tailored for South African men with regard to age, religiosity, and types of sexual partners. Implications for the development of such interventions are discussed.


Assuntos
Preservativos/estatística & dados numéricos , Infecções por HIV/prevenção & controle , Religião , Comportamento Sexual/estatística & dados numéricos , Parceiros Sexuais , Adolescente , Adulto , Estudos Transversais , Infecções por HIV/epidemiologia , Infecções por HIV/psicologia , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Masculino , Motivação , Razão de Chances , Fatores de Proteção , Comportamento de Redução do Risco , Assunção de Riscos , Comportamento Sexual/psicologia , Parceiros Sexuais/psicologia , África do Sul/epidemiologia
14.
Am J Public Health ; 104(3): 467-73, 2014 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-24432923

RESUMO

OBJECTIVES: We tested the efficacy of a sexual risk-reduction intervention for men in South Africa, where heterosexual exposure is the main mode of HIV transmission. METHODS: Matched-pairs of neighborhoods in Eastern Cape Province, South Africa, were randomly selected and within pairs randomized to 1 of 2 interventions based on social cognitive theory and qualitative research: HIV/sexually transmitted infection (STI) risk-reduction, targeting condom use, or attention-matched control, targeting health issues unrelated to sexual risks. Sexually active men aged 18 to 45 years were eligible. The primary outcome was consistent condom use in the past 3 months. RESULTS: Of 1181 participants, 1106 (93.6%) completed the 12-month follow-up. HIV and STI risk-reduction participants had higher odds of reporting consistent condom use (odds ratio [OR] = 1.32; 95% confidence interval [CI] = 1.03, 1.71) and condom use at last vaginal intercourse (OR = 1.40; 95% CI = 1.08, 1.82) than did attention-control participants, adjusting for baseline prevalence. No differences were observed on unprotected intercourse or multiple partnerships. Findings did not differ for sex with steady as opposed to casual partners. CONCLUSIONS: Behavioral interventions specifically targeting men can contribute to efforts to reduce sexual risk behaviors in South Africa.


Assuntos
População Negra , Infecções por HIV/prevenção & controle , Comportamento de Redução do Risco , Sexo Seguro , Infecções Sexualmente Transmissíveis/prevenção & controle , Adolescente , Adulto , Análise por Conglomerados , Intervalos de Confiança , Seguimentos , Promoção da Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Razão de Chances , África do Sul , Adulto Jovem
15.
AIDS Behav ; 18(6): 1027-36, 2014 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-24310931

RESUMO

When children know their HIV serostatus, they are more likely to cooperate with steps to manage their health and the risk of transmitting HIV to others. Mounting evidence indicates that caregivers often do not disclose to HIV-positive children that the children are living with HIV, but little is known about the modifiable determinants of pediatric HIV disclosure. The present study examined theory-of-planned-behavior predictors of the intention to disclose to children their HIV diagnosis. The participants were 100 caregivers of HIV-positive children in Eastern Cape Province, South Africa. Proportional-odds logistic regression analysis revealed that normative support for disclosure and caregiver-child communication predicted the intention to disclose, whereas behavioral beliefs regarding the consequences of disclosing and self-efficacy to disclose did not. The results suggest that interventions to increase pediatric HIV disclosure in South Africa should help caregivers enlist support for disclosure among important referents and improve communication with their HIV-infected children.


Assuntos
Cuidadores/psicologia , Soropositividade para HIV , Letramento em Saúde , Intenção , Revelação da Verdade , Adulto , Ansiedade/etiologia , Criança , Comunicação , Enganação , Depressão/etiologia , Feminino , Soropositividade para HIV/psicologia , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Masculino , Motivação , Pesquisa Qualitativa , África do Sul
16.
Mediterr J Soc Sci ; 5(7): 346-254, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-25763177

RESUMO

HIV/AIDS is seen as the major killer in developing countries however, non-communicable diseases (NCDs), also referred to as chronic diseases, are the leading causes of death worldwide. University students are an important target for health promotion programmes because they are exposed to a new lifestyle where they have to determine on their own which diet to follow, whether or not to exercise, how much they drink alcohol or smoke, whether to have sex or abstain, as well as whether to practice safe sex or not Focus group sessions were held at a rural Sub-Saharan African University to assess students' knowledge on how to lead a healthy lifestyle. The results suggest a need for a health promotion intervention programme which should be culture-sensitive and considerate of the needs of university students.

17.
AIDS Behav ; 17(3): 1105-15, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-22246515

RESUMO

This pilot study used a randomized controlled trial to test the efficacy of an HIV risk-reduction intervention for university students in Eastern Cape Province, South Africa. Randomly selected second-year students were randomized to one of two interventions based on social cognitive theory and qualitative research: HIV risk-reduction, targeting sexual-risk behaviors; health-promotion control, targeting health behaviors unrelated to sexual risks. Participants completed behavioral assessments via audio computer-assisted self-interviewing pre-intervention, 6, and 12 months post intervention, with 97.2% retained at 12-month follow-up. Averaged over the 2 follow-ups, HIV risk-reduction intervention participants reported less unprotected vaginal intercourse and more frequent condom use than control participants, with greater efficacy in non-South Africans than South Africans. Positive changes were also observed on theoretical mediators of condom use that the intervention targeted. Interventions based on social cognitive theory integrated with qualitative information from the population may reduce sexual risk behaviors among university students in sub-Saharan Africa.


Assuntos
Infecções por HIV/prevenção & controle , Promoção da Saúde/métodos , Comportamento de Redução do Risco , Comportamento Sexual/psicologia , Estudantes/estatística & dados numéricos , Universidades , África Subsaariana/epidemiologia , Preservativos/estatística & dados numéricos , Feminino , Humanos , Masculino , Projetos Piloto , Assunção de Riscos , Inquéritos e Questionários , Sexo sem Proteção/estatística & dados numéricos
18.
Ann Behav Med ; 44(2): 181-91, 2012 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-22618963

RESUMO

BACKGROUND: "Let Us Protect Our Future" is a sexual risk-reduction intervention for sixth-grade adolescents in South Africa. Tested in a cluster-randomized controlled trial, the intervention significantly reduced self-reported intercourse and unprotected intercourse during a 12-month follow-up period. PURPOSE: The present analyses were conducted to identify moderators of the intervention's efficacy as well as, which theory-based variables mediated the intervention's effects. METHODS: Intervention efficacy over the 3-, 6-, and 12-month follow-up was tested using generalized estimating equation models. RESULTS: Living with their father in the home, parental strictness, and religiosity moderated the efficacy of the intervention in reducing unprotected intercourse. Self-efficacy to avoid risky situations and expected parental disapproval of their having intercourse, derived from Social Cognitive Theory, significantly mediated the intervention's effect on abstinence. CONCLUSIONS: This is the first study to demonstrate that Social Cognitive variables mediate the efficacy of a sexual risk-reduction intervention among South African adolescents.


Assuntos
Comportamento do Adolescente/psicologia , Infecções por HIV/prevenção & controle , Promoção da Saúde , Comportamento de Redução do Risco , Comportamento Sexual/psicologia , Adolescente , Feminino , Humanos , Masculino , Autoeficácia , África do Sul
19.
Vulnerable Child Youth Stud ; 7(1): 47-54, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22468145

RESUMO

Worldwide about 2.5 million children younger than 15 years of age are living with HIV, and more than 2.3 million of them live in sub-Saharan Africa. Antiretroviral therapy has reduced mortality among HIV-infected children, and as they survive into adolescence, disclosing to them their diagnosis has emerged as a difficult issue, with many adolescents unaware of their diagnosis. There is a need to build an empirical foundation for strategies to appropriately inform infected children of their diagnosis, particularly in South Africa, which has the largest number of HIV-positive people in the world. As a step toward developing such strategies, we conducted a study in Eastern Cape Province, South Africa to identify beliefs about disclosing HIV diagnosis to HIV-infected children among caregivers, health-care providers, and HIV-positive children who knew their diagnosis. We implemented 7 focus groups with 80 participants: 51 caregivers in 4 groups, 24 health-care providers in 2 groups, and 5 HIV-positive children in 1 group. We found that although the participants believed that children from age 5 years should begin to learn about their illness, with full disclosure by age 12, they suggested that many caregivers fail to fully inform their children. The participants said that the primary caregiver was the best person to disclose. The main reasons cited for failing to disclose were (a) lack of knowledge about HIV and its treatment, (b) the concern that the children might react negatively, and (c) the fear that the children might inappropriately disclose to others, which would occasion gossip, stigmatization, and discrimination towards them and the family. We discuss the implications for developing interventions to help caregivers appropriately disclose HIV status to HIV-infected children and, more generally, communicate effectively with the children to improve their health outcomes.

20.
J Hum Behav Soc Environ ; 21(1): 73-81, 2011 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-21423571

RESUMO

Lobola is in many Southern African countries a tradition, which is expected to be adhered by anyone who is part or want to be part of the community. It is about paying respect to the elders, the family and the community. It is a significant element of marriage among many tribes and there are strict rules to adhere. In order to determine how much the actual fact of payment of lobola would influence the behavior of husbands and wives, we conducted several focus group discussion with men, women, mixed groups and couples. We analyzed the data collected during these sessions and compared these with the literature. Many participants see lobola as part of their African culture, although they wished that they would not actually have to pay lobola. We could not determine a difference in the husband's behavior, whether they had paid lobola or not and having extramarital affairs.

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