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OBJECTIVE: The objective of the study was to compare the dietary intakes and physical activity levels among Whites, African Americans, and Hispanics with and without metabolic syndrome (MetS). DESIGN: The study was based on secondary analysis of data from the National Health and Nutrition Examination Survey (NHANES) 2011-2012. SETTING: The NHANES's target population is the civilian, noninstitutionalized U.S. SUBJECTS: The sample was made up of 2,449 subjects aged 40 years or more, of both genders, and of three ethnic groups (African Americans, Whites and Hispanics). RESULTS: Mean intakes of food energy, total fat, total saturated fatty acids, total monounsaturated fatty acids, cholesterol, lycopene, selenium and sodium were significantly higher in Whites with MetS. African-Americans with MetS had significantly lower dietary intakes of beta-carotene and total sugars. Also, mean vitamin A and beta-carotene intakes were significantly lower in the Hispanic subjects with MetS. Vigorous and moderate physical activity levels were significantly lower in African Americans and Hispanics with MetS. Computer use was significantly higher in Whites with MetS. CONCLUSIONS: Variables significantly predictive of MetS were age, male gender, African-American ethnicity, BMI, and lycopene intake.
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Negro o Afroamericano/estadística & datos numéricos , Ingestión de Alimentos/etnología , Ejercicio Físico , Hispánicos o Latinos/estadística & datos numéricos , Síndrome Metabólico , Población Blanca/estadística & datos numéricos , Adulto , Índice de Masa Corporal , Femenino , Humanos , Masculino , Síndrome Metabólico/diagnóstico , Síndrome Metabólico/etnología , Persona de Mediana Edad , Encuestas Nutricionales/estadística & datos numéricos , Servicios Preventivos de Salud/métodos , Servicios Preventivos de Salud/estadística & datos numéricos , Estados Unidos/epidemiologíaRESUMEN
Optimal serum vitamin D levels are reported to be associated with many health benefits; however, few studies have determined predictive factors using national level data. An assessment of predictive factors for vitamin D inadequacy was conducted using National Health and Nutrition Examination Survey (NHANES) 2001-2006 data. Using the study sample including adults aged 40 years or more, data analysis was performed using the weighted multivariate logistic regression statistical procedure. The prevalence of vitamin D inadequacy (serum vitamin D <20 ng/ml) was 37.3%. Non-Hispanic Blacks were 6.4 times more likely to demonstrate vitamin D inadequacy compared to non-Hispanic Whites (ORadj=6.351; 95% CI 5.338, 7.555; p<0.0001). Also, female gender was a significant predictor of vitamin D inadequacy (ORadj=1.499; 95% CI 1.315, 1.708; p<0.0001) in multivariate models. Subjects who reported not taking vitamin D supplements in the past 30 days were more than twice as likely to be vitamin D inadequate compared with those who had taken dietary supplements containing vitamin D (ORadj=2.225; 95% CI 1.903, 2.601; p<0.0001). In conclusion, the strongest predictor of vitamin D inadequacy was non-Hispanic Black ethnicity. Other potential predictors included smoking, non-use of vitamin D supplements, abnormal BMI, collecting samples in winter, female gender, perception of own health condition as not excellent, lack of health care, and older age. More focused interventions targeting groups of United States residents with vitamin D inadequacy are needed.
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Deficiencia de Vitamina D , Vitamina D , Vitaminas/metabolismo , Adulto , Anciano , Suplementos Dietéticos , Femenino , Humanos , Encuestas Nutricionales , Estados Unidos , Vitaminas/químicaRESUMEN
BACKGROUND: A pressing need exists to understand and optimize the use of dietary assessment tools that can be used in community-based participatory research (CBPR) interventions. A digital food record, which uses a mobile device to capture the dietary intake through text and photography inputs, is a particularly promising mobile assessment method. However, little is understood about the acceptability and feasibility of digital food records in CBPR and how to best tailor dietary assessment tools to the needs of a community. OBJECTIVE: The objective of our study was to evaluate the acceptability and feasibility of digital food records among church-based populations in resource-limited wards of Washington, DC, USA, using a mixed-methods approach. METHODS: This community-based pilot study was conducted as part of the Washington, DC Cardiovascular Health and Needs Assessment. Participants (n=17) received a mobile device (iPod Touch) to photodocument their dietary intake for a 3-day digital food record using a mobile app, FitNinja (Vibrent Health). The acceptability of the digital food record was explored through the thematic analysis of verbatim transcripts from a moderated focus group (n=8). In addition, the feasibility was evaluated by the percentage of participants complying with instructions (ie, capturing both before and after meal photos for at least 2 meals/day for 3 days). RESULTS: Qualitative themes identified were related to (1) the feasibility and acceptability of the mobile device and app, including issues in recording the dietary information and difficulty with photodocumentation; (2) suggestions for additional support and training experiences; and (3) comparisons with other mobile apps. Overall, the participants accepted the digital food record by demonstrating satisfaction with the tool and intent to continue the use (eg, participants recorded an average of 5.2, SD 7, consecutive days). Furthermore, of the 17 participants, 15 photodocumented at least 1 meal during the study period and 3 fully complied with the digital food record instructions. CONCLUSIONS: This study demonstrated digital food records as an acceptable tool in CBPR and identified contributors and barriers to the feasibility of digital food records for future research. Engaging community members in the implementation of novel assessment methods allows for the tailoring of technology to the needs of the community and optimizing community-based interventions. TRIAL REGISTRATION: ClinicalTrials.gov NCT01927783; https://www.clinicaltrials.gov/ct2/show/NCT01927783 (Archived by WebCite at http://www.webcitation.org/70WzaFWb6).
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Wearable mobile health (mHealth) technologies offer approaches for targeting physical activity (PA) in resource-limited, community-based interventions. We sought to explore user characteristics of PA tracking, wearable technology among a community-based population within a health and needs assessment. In 2014-2015, we conducted the Washington, D.C., Cardiovascular Health and Needs Assessment in predominantly African-American churches among communities with higher obesity rates and lower household incomes. Participants received a mHealth PA monitor and wirelessly uploaded PA data weekly to church data collection hubs. Participants (n = 99) were 59 ± 12 years, 79% female, and 99% African-American, with a mean body mass index of 33 ± 7 kg/m2. Eighty-one percent of participants uploaded PA data to the hub and were termed "PA device users." Though PA device users were more likely to report lower household incomes, no differences existed between device users and non-users for device ownership or technology fluency. Findings suggest that mHealth systems with a wearable device and data collection hub may feasibly target PA in resource-limited communities.
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Acelerometría , Ejercicio Físico , Monitores de Ejercicio , Evaluación de Necesidades , Cooperación del Paciente , Tecnología Inalámbrica , Índice de Masa Corporal , Cristianismo , District of Columbia , Femenino , Conductas Relacionadas con la Salud , Humanos , Masculino , Persona de Mediana Edad , Obesidad , Pobreza , Telemedicina , Poblaciones VulnerablesRESUMEN
BACKGROUND: Resource-limited communities in Washington, D.C. have high rates of obesity-related cardiovascular disease in addition to inadequate physical activity (PA) facilities and limited Internet access. Engaging community members in the design and implementation of studies to address these health disparities is essential to the success of community-based PA interventions. OBJECTIVE: The objective of the study was to use qualitative and quantitative methods to evaluate the feasibility and acceptability of PA-monitoring wristbands and Web-based technology by predominantly African American, church-based populations in resource-limited Washington, D.C. neighborhoods. METHODS: To address cardiovascular health in at-risk populations in Washington, D.C., we joined community leaders to establish a community advisory board, the D.C. Cardiovascular Health and Obesity Collaborative (D.C. CHOC). As their first initiative, the Washington, D.C. Cardiovascular Health and Needs Assessment intends to evaluate cardiovascular health, social determinants of health, and PA-monitoring technologies. At the recommendation of D.C. CHOC members, we conducted a focus group and piloted the proposed PA-monitoring system with community members representing churches that would be targeted by the Cardiovascular Health and Needs Assessment. Participants (n=8) agreed to wear a PA-monitoring wristband for two weeks and to log cardiovascular health factors on a secure Internet account. Wristbands collected accelerometer-based data that participants uploaded to a wireless hub at their church. Participants agreed to return after two weeks to participate in a moderated focus group to share experiences using this technology. Feasibility was measured by Internet account usage, wristband utilization, and objective PA data. Acceptability was evaluated through thematic analysis of verbatim focus group transcripts. RESULTS: Study participants (5 males, 3 females) were African American and age 28-70 years. Participant wristbands recorded data on 10.1±1.6 days. Two participants logged cardiovascular health factors on the website. Focus group transcripts revealed that participants felt positively about incorporating the device into their church-based populations, given improvements were made to device training, hub accessibility, and device feedback. CONCLUSIONS: PA-monitoring wristbands for objectively measuring PA appear to be a feasible and acceptable technology in Washington, D.C., resource-limited communities. User preferences include immediate device feedback, hands-on device training, explicit instructions, improved central hub accessibility, and designation of a church member as a trained point-of-contact. When implementing technology-based interventions in resource-limited communities, engaging the targeted community may aid in early identification of issues, suggestions, and preferences. TRIAL REGISTRATION: ClinicalTrials.gov NCT01927783; https://clinicaltrials.gov/ct2/show/NCT01927783 (Archived by WebCite at http://www.webcitation.org/6f8wL117u).
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Few studies have compared provider and patient perceptions of barriers, motivators and facilitators of prenatal care (PNC) initiation. The current study compared these perceptions in providers and patients in Washington, DC, a city characterized by infant mortality and low birth weight rates that are among the highest in the nation, and poor utilization of PNC, particularly among minority groups. The results reported here were part of a larger study of barriers, motivators and facilitators influencing PNC utilization in Washington, DC. A convenience sample of 331 African American and Latino patients and 61 providers were interviewed to identify which of 63 motivators, facilitators, and barriers significantly influenced PNC initiation. Both sample groups were recruited at 14 PNC facilities, selected to represent all sites in DC known to serve high-risk, low-income minority women, including hospital-based clinics, community-based clinics, and private practices. Data were analyzed using Fisher exact tests and Kendall's concordance tests. Results indicated that there was good agreement between patients and providers about the relative importance of the various barriers (especially psychosocial), motivators, and facilitators. However, differences were found between patients and providers in the response frequencies. Providers were more likely to report barriers while patients were more likely to report certain motivators (especially learning better health habits and how to protect health). These results indicate that despite widespread agreement on most issues, especially psychosocial barriers, patients rated health education higher than providers.
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Actitud del Personal de Salud , Accesibilidad a los Servicios de Salud , Aceptación de la Atención de Salud/psicología , Atención Prenatal/psicología , Percepción Social , Adolescente , Adulto , Negro o Afroamericano/psicología , Negro o Afroamericano/estadística & datos numéricos , District of Columbia , Femenino , Hispánicos o Latinos/psicología , Hispánicos o Latinos/estadística & datos numéricos , Humanos , Entrevistas como Asunto , Motivación , Aceptación de la Atención de Salud/etnología , Embarazo , Adulto JovenRESUMEN
OBJECTIVE: National Health and Nutrition Examination Survey 2001-2002 data were used to examine gender and ethnicity relationships to iron, folate, and vitamin B12 status, and anemia in 1770 elderly persons. METHODS: Dependent variables included dietary intakes and biochemical measures of iron, folate, and vitamin B12 status, and hemoglobin. T Tests were performed using SUDAAN software (version 9.0; Research Triangle Institute International, Research Triangle Park, North Carolina). The relationships of gender and ethnicity to adequacy of iron, folate, and vitamin B12 status, and anemia were investigated using chi2 tests. RESULTS: Males had significantly higher nutrient intakes and better biochemical measures of iron status but lower biochemical measures of folate and vitamin B12. Whites were significantly more likely to have nutrient intakes higher than those recommended by the Food and Nutrition Board. No clear pattern of biochemical measures of iron status was seen among the ethnic groups, and there was no significant relationship between iron status and ethnicity. Biochemical measures of folate status were significantly higher in whites and Mexican Americans than in blacks. No significant relationships were found between folate status and ethnicity. Mean serum vitamin B12 was significantly higher in blacks than in whites and was lowest in other Hispanics who were significantly more likely to be vitamin B12 deficient. Blacks had significantly lower mean hemoglobin values than whites and were significantly more likely to be anemic. CONCLUSIONS: Based on biochemical measures, elderly males are at higher risk of folate and vitamin B12 deficiencies. Ethnicity was not significantly related to either iron or folate status. Other Hispanics were significantly more likely to be vitamin B12 deficient.
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Anemia Ferropénica/epidemiología , Deficiencia de Ácido Fólico/epidemiología , Estado de Salud , Deficiencia de Vitamina B 12/epidemiología , Anciano , Anciano de 80 o más Años , Anemia Ferropénica/etnología , Femenino , Deficiencia de Ácido Fólico/etnología , Evaluación Geriátrica , Humanos , Masculino , Persona de Mediana Edad , Encuestas Nutricionales , Prevalencia , Factores Sexuales , Deficiencia de Vitamina B 12/etnologíaRESUMEN
OBJECTIVES: We evaluated the efficacy of a primary care intervention targeting pregnant African American women and focusing on psychosocial and behavioral risk factors for poor reproductive outcomes (cigarette smoking, secondhand smoke exposure, depression, and intimate partner violence). METHODS: Pregnant African American women (N = 1044) were randomized to an intervention or usual care group. Clinic-based, individually tailored counseling sessions were adapted from evidence-based interventions. Follow-up data were obtained for 850 women. Multiple imputation methodology was used to estimate missing data. Outcome measures were number of risks at baseline, first follow-up, and second follow-up and within-person changes in risk from baseline to the second follow-up. RESULTS: Number of risks did not differ between the intervention and usual care groups at baseline, the second trimester, or the third trimester. Women in the intervention group more frequently resolved some or all of their risks than did women in the usual care group (odds ratio = 1.61; 95% confidence interval = 1.08, 2.39; P = .021). CONCLUSIONS: In comparison with usual care, a clinic-based behavioral intervention significantly reduced psychosocial and behavioral pregnancy risk factors among high-risk African American women receiving prenatal care.
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Terapia Conductista/métodos , Negro o Afroamericano/psicología , Embarazo/etnología , Embarazo/psicología , Atención Prenatal/métodos , Consejo/métodos , Trastorno Depresivo/diagnóstico , Trastorno Depresivo/prevención & control , Trastorno Depresivo/terapia , Femenino , Humanos , Resultado del Embarazo , Atención Primaria de Salud/métodos , Análisis de Regresión , Factores de Riesgo , Conducta de Reducción del Riesgo , Fumar/efectos adversos , Fumar/psicología , Cese del Hábito de Fumar/métodos , Prevención del Hábito de Fumar , Maltrato Conyugal/diagnóstico , Maltrato Conyugal/prevención & control , Maltrato Conyugal/psicología , Contaminación por Humo de Tabaco/efectos adversos , Contaminación por Humo de Tabaco/prevención & control , Resultado del Tratamiento , Adulto JovenRESUMEN
OBJECTIVE: To evaluate the efficacy of an integrated multiple risk intervention, delivered mainly during pregnancy, in reducing such risks (cigarette smoking, environmental tobacco smoke exposure, depression, and intimate partner violence) postpartum. METHODS: Data from this randomized controlled trial were collected prenatally and on average 10 weeks postpartum in six prenatal care sites in the District of Columbia. African Americans were screened, recruited, and randomly assigned to the behavioral intervention or usual care. Clinic-based, individually tailored counseling was delivered to intervention women. The outcome measures were number of risks reported postpartum and reduction of these risks between baseline and postpartum. RESULTS: The intervention was effective in significantly reducing the number of risks reported in the postpartum period. In bivariate analyses, the intervention group was more successful in resolving all risks (47% compared with 35%, P=.007, number needed to treat=9, 95% confidence interval [CI] 5-31) and in resolving some risks (63% compared with 54%, P=.009, number needed to treat=11, 95% CI 7-43) as compared with the usual care group. In logistic regression analyses, women in the intervention group were more likely to resolve all risks (odds ratio 1.86, 95% CI 1.25-2.75, number needed to treat=7, 95% CI 4-19) and resolve at least one risk (odds ratio 1.60, 95% CI 1.15-2.22, number needed to treat=9, 95% CI 6-29). CONCLUSION: An integrated multiple risk factor intervention addressing psychosocial and behavioral risks delivered mainly during pregnancy can have beneficial effects in risk reduction postpartum.
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Negro o Afroamericano , Terapia Cognitivo-Conductual , Atención Posnatal , Atención Prenatal , Depresión Posparto/prevención & control , Femenino , Humanos , Embarazo , Conducta de Reducción del Riesgo , Prevención del Hábito de Fumar , Maltrato Conyugal/prevención & controlRESUMEN
BACKGROUND: Researchers have frequently encountered difficulties in the recruitment and retention of minorities resulting in their under-representation in clinical trials. This report describes the successful strategies of recruitment and retention of African Americans and Latinos in a randomized clinical trial to reduce smoking, depression and intimate partner violence during pregnancy. Socio-demographic characteristics and risk profiles of retained vs. non-retained women and lost to follow-up vs. dropped-out women are presented. In addition, subgroups of pregnant women who are less (more) likely to be retained are identified. METHODS: Pregnant African American women and Latinas who were Washington, DC residents, aged 18 years or more, and of 28 weeks gestational age or less were recruited at six prenatal care clinics. Potentially eligible women were screened for socio-demographic eligibility and the presence of the selected behavioral and psychological risks using an Audio Computer-Assisted Self-Interview. Eligible women who consented to participate completed a baseline telephone evaluation after which they were enrolled in the study and randomly assigned to either the intervention or the usual care group. RESULTS: Of the 1,398 eligible women, 1,191 (85%) agreed to participate in the study. Of the 1,191 women agreeing to participate, 1,070 completed the baseline evaluation and were enrolled in the study and randomized, for a recruitment rate of 90%. Of those enrolled, 1,044 were African American women. A total of 849 women completed the study, for a retention rate of 79%. Five percent dropped out and 12% were lost-to-follow up. Women retained in the study and those not retained were not statistically different with regard to socio-demographic characteristics and the targeted risks. Retention strategies included financial and other incentives, regular updates of contact information which was tracked and monitored by a computerized data management system available to all project staff, and attention to cultural competence with implementation of study procedures by appropriately selected, trained, and supervised staff. Single, less educated, alcohol and drug users, non-working, and non-WIC women represent minority women with expected low retention rates. CONCLUSION: We conclude that with targeted recruitment and retention strategies, minority women will participate at high rates in behavioral clinical trials. We also found that women who drop out are different from women who are lost to follow-up, and require different strategies to optimize their completion of the study.
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Depresión/prevención & control , Promoción de la Salud/métodos , Grupos Minoritarios/psicología , Selección de Paciente , Pobreza/etnología , Mujeres Embarazadas/psicología , Prevención del Hábito de Fumar , Maltrato Conyugal/prevención & control , Adolescente , Adulto , Negro o Afroamericano/psicología , Depresión/etnología , District of Columbia/epidemiología , Femenino , Hispánicos o Latinos/psicología , Humanos , Embarazo , Mujeres Embarazadas/etnología , Atención Prenatal , Fumar/etnología , Clase Social , Factores Socioeconómicos , Maltrato Conyugal/etnología , Encuestas y CuestionariosRESUMEN
A convenience sample of city-dwelling African American women (n=246) was interviewed during each woman's postpartum stay at one of five hospitals in Washington, D.C. to determine their perceptions of factors influencing their prenatal care utilization. The Kotelchuck Adequacy of Prenatal Care Utilization Index was used to classify prenatal care utilization as either adequate (Adequate Plus and Adequate groups combined) or inadequate (Intermediate and Inadequate groups combined). Of the 246 women studied, 40% (99) had adequate prenatal care utilization. Using Classification and Regression Trees analysis, the following risk groups for inadequate prenatal care utilization were identified: women who reported psychosocial problems as barriers and who were not participants in the Special Supplemental Nutrition Program for Women, Infants and Children (WIC) (percent adequate=8.8); women who reported psychosocial problems as barriers, were participants of the WIC program, and reported substance use (percent adequate=13.8); and women who reported psychosocial problems as barriers, were participants of the WIC program, denied substance use, and reported childcare problems as barriers (percent adequate=20.0).
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Actitud Frente a la Salud , Negro o Afroamericano , Atención Prenatal/estadística & datos numéricos , Adolescente , Adulto , District of Columbia , Femenino , Humanos , Entrevistas como Asunto , Pobreza , Embarazo , Población UrbanaRESUMEN
For 10 weeks, a sample of 105 postpartum African-American clients of three inner-city clinics, were recruited for this nine-month prospective study. Data from 54 mother-infant dyads were used to explore the associations between maternal perceptions of infant body size and the development of adiposity at six- to seven months of age. Correlations, chi-square, paired t-test, ANOVA, and logistic regression analyses were performed. Quantitative assessments of BMI using weight and length measures and qualitative assessments of body size perceptions using questionnaires, silhouette, and ranking scales were conducted. At six- to seven months of age, 40% of the infants were above the 85th percentile and 31% were above the 95th percentile of the NCHS standards for weight for height. Maternal perception of infant body size was positively correlated with early introduction of nonmilk foods. Significantly, more infants perceived as small were introduced to nonmilk foods earlier, compared to infants perceived as average, p=0.03. Additionally, it was observed that the earlier the introduction of nonmilk foods, the greater the infant's BMI at six- to seven months of age (r=0.59, p=0.02). Finally, one-third of mothers were obese with BMI's exceeding 30, and 31.1% were overweight with BMI's between 25 and 30.
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Actitud , Negro o Afroamericano , Constitución Corporal , Madres , Obesidad/epidemiología , Adulto , Dieta , Femenino , Humanos , Lactante , Cuidado del Lactante , Alimentos Infantiles , Recién Nacido , Estudios Prospectivos , Población UrbanaRESUMEN
OBJECTIVES: The objective of this study was to identify the determinants of late prenatal care (PNC) initiation among minority women in Washington, DC. METHODS: DC-resident, African American women (n = 303) were recruited at 14 PNC facilities, representing the various types of PNC facilities located in DC: 4 hospital-based clinics, 5 community-based clinics, and 5 private practices. The women were interviewed at their first prenatal care visits to determine their perceptions of 63 barriers, motivators and facilitators influencing PNC initiation; substance use; and sociodemographic background. PNC initiation was classified as early (prior to the 20th week of gestation) or late (after the 20th week of gestation). The responses of women who initiated PNC early versus late were compared using bivariate and multivariate statistical procedures. Classification and Regression Trees analysis was used to identify groups at risk of late initiation. RESULTS: Variables contributing to late PNC initiation included maternal age not between 20 and 29 years, unemployment, no history of previous abortions, consideration of abortion, lack of money to pay for PNC, and no motivation to learn how to protect ones health. Three risk groups for late PNC initiation included 1) women consideringabortion and not employed outside their homes; 2) women not considering abortion who had no previous abortion experience; and 3) teenagers not considering abortion and with no previous abortions. CONCLUSIONS: The results of this study indicate that psychosocial barriers are more important than structural barriers. Of the psychosocial barriers, the major determinants of late PNC initiation were consideration of abortion and previous abortion experience.
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Negro o Afroamericano/psicología , Accesibilidad a los Servicios de Salud , Aceptación de la Atención de Salud/etnología , Atención Prenatal/estadística & datos numéricos , Aborto Inducido/psicología , Adolescente , Adulto , District of Columbia , Femenino , Humanos , Modelos Logísticos , Motivación , Embarazo , Segundo Trimestre del Embarazo , Prevalencia , Factores de Riesgo , Factores Socioeconómicos , Factores de TiempoRESUMEN
BACKGROUND: In the United States, infant mortality rates remain more than twice as high for African Americans as compared to other racial groups. Lack of adherence to prenatal care schedules in vulnerable, hard to reach, urban, poor women is associated with high infant mortality, particularly for women who abuse substances, are homeless, or live in communities having high poverty and high infant mortality. This issue is of concern to the women, their partners, and members of their communities. Because they are not part of the system, these womens' views are often not included in other studies. METHODS: This qualitative study used focus groups with four distinct categories of people, to collect observations about prenatal care from various perspectives. The 169 subjects included homeless women; women with current or history of substance abuse; significant others of homeless women; and residents of a community with high infant mortality and poverty indices, and low incidence of adequate prenatal care. A process of coding and recoding using Ethnograph and counting ensured reliability and validity of the process of theme identification. RESULTS: Barriers and motivators to prenatal care were identified in focus groups. Pervasive issues identified were drug lifestyle, negative attitudes of health care providers and staff, and non-inclusion of male partners in the prenatal experience. CONCLUSIONS: Designing prenatal care relevant to vulnerable women in urban communities takes creativity, thoughtfulness, and sensitivity. System changes recommended include increased attention to substance abuse treatment/prenatal care interaction, focus on provider/staff attitudes, and commitment to inclusion of male partners.