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1.
Fortschr Neurol Psychiatr ; 92(9): 347-354, 2024 Sep.
Artículo en Alemán | MEDLINE | ID: mdl-39102842

RESUMEN

Acluster-randomised trial was conducted in five German federal states to evaluate the results of a school-based cannabis prevention unit. A total of 55 schools were randomly assigned to the intervention group, i.e. participation in a two-hour cannabis prevention workshop conducted by drug prevention specialists in grades 8 and 9, or to a control group with a waiting list. The knowledge, attitudes, intentions and behaviour of the young people in relation to cannabis were measured at the start of the study and six months later. 2,669 pupils(50.8% girls, average age=14.12 years) made up the sample. Effects of the intervention on the students' knowledge (adjusted regression coefficient=0.26 [0.15-0.38], p<0.001) and on the expected negative consequences of cannabis use in adolescents (adjusted regression coefficient=0.15 [0.04-0.25], p=0.006) were found. Both increased significantly more in the intervention group compared to the control group. There were no effects on other attitude-related variables, intentions or behaviour. A very short school-based workshop for grade 8 and 9 students improved their knowledge of and critical attitudes towards cannabis use, but had no effect on their future intentions and cannabis use.


Asunto(s)
Conocimientos, Actitudes y Práctica en Salud , Servicios de Salud Escolar , Humanos , Femenino , Masculino , Adolescente , Alemania , Análisis por Conglomerados , Abuso de Marihuana/prevención & control , Abuso de Marihuana/psicología , Instituciones Académicas , Estudiantes/psicología , Educación en Salud
2.
Artículo en Alemán | MEDLINE | ID: mdl-38172374

RESUMEN

BACKGROUND: In the current debate about legalized access to cannabis for adults in Germany, there is widespread agreement about the need for increased prevention among children and young people. The aim of this work is to examine the effectiveness of a school-based cannabis prevention program on knowledge, attitudes, and behavior. METHOD: Cluster-randomized waiting list control group study with two study arms: "participation in the 'Der grüne Koffer' prevention program", a collection of methods for cannabis prevention, vs. "no participation" and two measurement time points before and four months after the intervention in four German states. RESULTS: The mean age of the sample of 3976 adolescents from 280 school classes in grades 8 and 9 was 14.02 years (standard deviation = 0.89). The sex ratio was balanced (49.5% female). Cannabis-related knowledge increased significantly more in the intervention group compared to the control group from the first to the second measurement time point (adjusted beta = 0.25 [95% confidence interval: 0.14-0.37]). Attitudes toward cannabis use did not change significantly in either group. In the 8th grades of the intervention group, significantly fewer adolescents (2.9%) started experimenting with cannabis use for the first time during the observation period than in the control group (5.3%), whereas no group difference was detectable in the 9th grades (interaction grade level x group: odds ratio = 2.17 [1.13-4.15], p = 0.019). DISCUSSION: The evidence of an effect of participation in the "Der grüne Koffer" prevention program on knowledge and first-time use of cannabis in the 8th grade can be considered promising against the background of previous national and international studies, which could not provide evidence of effects of school-based cannabis prevention in middle and late adolescence.


Asunto(s)
Cannabis , Niño , Adolescente , Humanos , Femenino , Masculino , Estudios Prospectivos , Alemania/epidemiología , Instituciones Académicas , Escolaridad
3.
Pneumologie ; 2024 Sep 25.
Artículo en Alemán | MEDLINE | ID: mdl-39321958

RESUMEN

BACKGROUND: Far too many people smoke in Germany, and the number of serious attempts to stop smoking has been falling for years. METHODS: Smoke-free in May 2024 is a low-threshold measure to encourage people to stop smoking. Adults who "regularly" consume nicotine products as well as support persons were eligible to take part. As part of the measure, participants and supporters were offered daily support via app notifications, emails and/or WhatsApp. They were also made aware of existing stop-smoking programmes. Finally, prizes were raffled off among the successful participants. RESULTS: A total of 6,386 individuals registered to take part. Of these, 550 individuals registered with a person of their choice to support them. Smokers were predominantly female (56.5%) and on average 42.9 (SD=13.2) years old. They came from all federal states in Germany, with a disproportionately high number from the federal states of Bremen, Schleswig-Holstein, Berlin, North Rhine-Westphalia, Hamburg and Bavaria in relation to the population distribution. Compared to a representative sample from a study by the Robert Koch Institute (2012), they reported a significantly higher subjective socio-economic status. Of the participants, 79.3% categorised their addiction as high. Regular use of more than one nicotine products occurred in 35.3% of the sample; 39.8% of the participants stated that they had not tried to stop smoking during the last 12 months. CONCLUSIONS: The number of smokers participating in the program is encouraging. In addition to an efficacy study, it should be examined in subsequent years how more males and individuals with a low subjective social status can be encouraged to initiate smoking cessation.

4.
Nicotine Tob Res ; 24(3): 366-371, 2022 02 14.
Artículo en Inglés | MEDLINE | ID: mdl-34383071

RESUMEN

INTRODUCTION: Experimentation with e-cigarettes is rising among youth, and there are concerns that e-cigarettes could be a new risk factor for initiating substance use. This study aimed to investigate whether e-cigarette use longitudinally predicts experimentation with cannabis. AIMS AND METHODS: During 2017-2019, a prospective cohort study with an observation period of 18 months was conducted with 3040 students from Germany who had never used cannabis (mean age = 14.8, range: 13-18 years). A multiple Poisson regression was used to investigate whether e-cigarette use was an independent predictor of future cannabis use. RESULTS: Lifetime e-cigarette use was reported by 29.4% of the survey population (n = 894) at baseline, and 17.4% (n = 529) initiated cannabis use during the observation period. Among e-cigarette ever users, the initiation rate was 34.5% compared with 10.4% of never users. Results were robust to adjustment for age, sex, migrant status, type of school, sensation seeking, peer cannabis use, the use of alcohol and conventional cigarettes (ARR = 1.83; 95% CI: 1.48-2.25). Further analyses revealed that the association between e-cigarette use and cannabis experimentation was stronger among youth with low sensation-seeking scores (ARR = .77, CI: .61-.97) and no conventional cigarette use (ARR = .48, CI: .37-.64) at baseline. CONCLUSIONS: E-cigarette use is associated with a subsequent initiation of cannabis use. This association seems to be stronger for youth who have a lower risk for substance use in general. Future studies need to investigate whether this is only true for experimental or also more frequent cannabis use. IMPLICATIONS: The study indicates a prospective association between e-cigarette use and initiation of cannabis experimentation independent of other risk factors. It suggests that e-cigarette use is more strongly associated with cannabis initiation for youth with a lower propensity to use substances (low sensation-seekers and non-smokers).


Asunto(s)
Cannabis , Sistemas Electrónicos de Liberación de Nicotina , Vapeo , Adolescente , Humanos , Estudios Longitudinales , Estudios Prospectivos , Vapeo/epidemiología
5.
Artículo en Alemán | MEDLINE | ID: mdl-36302920

RESUMEN

BACKGROUND: Excessive UV radiation from the sun may lead to skin cancer, the most common type of cancer in Germany. Therefore, among other things, the World Health Organization recommends seeking shade during the midday hours from a UV index of 3 (3 to 5 = "moderate"). However, this important preventive measure can only be taken if sufficient shaded areas are available. The aim of the study is to record shaded areas in kindergartens and schools nationwide. METHODS: An epidemiological cross-sectional study with two samples was carried out. Management of kindergartens and schools were surveyed using online questionnaires about the provision of shading measures at their educational institution from May to August 2020 and from April to July 2021, respectively. The primary outcome was to record the presence of various structural shading measures in the outdoor area of their educational institutions. The secondary outcome was to estimate the size of the shaded exterior area. RESULTS: From the nationwide population, 1042 kindergartens (1.9%) and 713 schools (2.3%) participated. Compared to schools, kindergartens had sun protection measures in the outdoor area significantly more often (99% vs. 82%; p < 0.001) and were able to shade a significantly larger outdoor area (43% vs. 26%; p < 0.001). Assuming a minimum required shaded outdoor area of 1 m2 per person, 45% of the schools and 10% of the kindergartens did not have sufficient shaded outdoor areas (p < 0.001). CONCLUSION: Almost every fifth school in Germany had no shaded places in the outdoor area. Against the background of climatic changes, an urgent high need for improvements seems obvious.


Asunto(s)
Instituciones Académicas , Neoplasias Cutáneas , Humanos , Alemania/epidemiología , Estudios Transversales , Rayos Ultravioleta/efectos adversos , Neoplasias Cutáneas/epidemiología , Neoplasias Cutáneas/prevención & control , Protectores Solares
6.
Aggress Behav ; 47(4): 421-429, 2021 07.
Artículo en Inglés | MEDLINE | ID: mdl-33559193

RESUMEN

This study examined the association between bullying victimization and e-cigarette use. Data from a 2019-2020 German student survey were used (N = 16,476). The target population consisted of students enrolled in grades 5-10, with a mean age of 13.1 years (SD = 1.8), and equal gender distribution (49.5% female). Mixed-effect multivariable logistic regression models were used to examine the association between bullying victimization (attacked physically, assaulted verbally, experienced relational bullying, sexual harassment, cyberbullying) and current e-cigarette use. The multivariable analysis controlled for age, sex, sensation-seeking, socioeconomic status, school performance, type of school attended, and substance use (current cigarette smoking, hookah smoking, and alcohol drinking). Overall 510 (3.7%) students reported current use of e-cigarettes. The odds for using e-cigarettes increased each step of being bullied from "never," "rarely," "sometimes," "once a week," to "several times a week" by 2.03 (95% confidence interval [CI]: 1.81, 2.29) in the unadjusted model, and by 1.46 (95% CI: 1.24, 1.71) in the covariate-adjusted model. Data indicate an empirical association between victimization and e-cigarette use among German students. Design limitations prevent the conclusion of a causal relationship, calling for well-designed longitudinal studies to investigate the temporal sequence between victimization and e-cigarette use.


Asunto(s)
Acoso Escolar , Víctimas de Crimen , Sistemas Electrónicos de Liberación de Nicotina , Vapeo , Adolescente , Femenino , Humanos , Masculino , Instituciones Académicas , Estudiantes
7.
Artículo en Alemán | MEDLINE | ID: mdl-34009444

RESUMEN

Due to the prevalence and harmful consequences of alcohol consumption, universal measures for alcohol prevention are also necessary in adolescence. An example of such a universal measure, "Aktion Glasklar," has been implemented mainly in the school setting for more than 15 years. Through print media, lesson proposals, a quiz with regular prize lotteries, and a website including interactive elements, young people are informed about alcohol in an age-appropriate manner and are encouraged to reflect on alcohol critically. Parents receive suggestions on how to address alcohol consumption with their children. For adult caregivers, such as teachers or youth group leaders, Aktion Glasklar provides prepared teaching suggestions. In a cluster-randomized study, the effects of participation in an intervention on alcohol-related knowledge and the frequency of binge drinking were shown. Thus, even a low-threshold and less intensive measure may contribute to the education and reduction of risky forms of consumption in adolescence.


Asunto(s)
Consumo de Bebidas Alcohólicas , Medios de Comunicación de Masas , Adolescente , Adulto , Consumo de Bebidas Alcohólicas/epidemiología , Consumo de Bebidas Alcohólicas/prevención & control , Cuidadores , Niño , Alemania , Humanos , Prevalencia
8.
Artículo en Alemán | MEDLINE | ID: mdl-33938952

RESUMEN

In Germany, alcohol is the most popular drug among adolescents. So far, school-based alcohol prevention programs have focused on elementary school children and pupils in early adolescence. The school program "Klar bleiben" ("Keep a Clear Head") was especially designed for young people in late adolescence (10th graders) with the aim of establishing non-binge drinking as a social norm.Students in the participating classes commit themselves to abstain from binge drinking for six weeks (contract management). The class gives feedback after each week. After at least five positive feedbacks, the class is rated as successful and enters a prize draw. Elaborated teaching impulses and information resources for teachers and parents are further components of the prevention program.The evaluation of the class competition by 92 teachers can be regarded as consistently positive. The results of a cluster-randomized study showed a relative risk reduction of 10.4% in binge drinking in the last month for those adolescents who had already consumed alcohol before and belong to the intervention group. After the end of the intervention, this group of adolescents consumed an average of 0.19 fewer alcoholic beverages per drinking occasion compared to adolescents from the control group. The findings presented here are encouraging, keeping in mind that the intervention is relatively inexpensive.


Asunto(s)
Consumo Excesivo de Bebidas Alcohólicas , Adolescente , Consumo de Bebidas Alcohólicas/epidemiología , Consumo de Bebidas Alcohólicas/prevención & control , Consumo Excesivo de Bebidas Alcohólicas/epidemiología , Consumo Excesivo de Bebidas Alcohólicas/prevención & control , Niño , Alemania , Humanos , Servicios de Salud Escolar , Instituciones Académicas
9.
Artículo en Alemán | MEDLINE | ID: mdl-34550413

RESUMEN

BACKGROUND: The German Medical Society for Health Promotion (ÄGGF) has developed a school-based teaching unit for students in grade 8 and higher that aims at primary and secondary prevention of unplanned pregnancies. AIMS: The accompanying evaluation study analyzes the effects of the teaching unit on the students' knowledge and their experience with self-efficacy concerning unplanned pregnancies. METHODS: A two-armed cluster-randomized controlled study was conducted using a ten-page anonymous questionnaire with a closed answer format before and after the intervention. RESULTS: In the first survey, 1855 students participated; 1523 students participated in the second. Participants in the intervention group showed a greater increase in knowledge over time. Compared to the control group, they showed an increased intention to use the pill and condoms as well as a marked increase in self-efficacy in the case of an unplanned pregnancy. Furthermore, they significantly corrected their perception of the age at which same-aged boys start having sexual intercourse. All effects remained stable when covariates were controlled. The teaching units were highly accepted: more than 90% of the participants stated that they would recommend them to other students. DISCUSSION: A school-based medical teaching unit about the prevention of unplanned teenage pregnancies was able to contribute to the improvement of students' knowledge and competency. The intervention itself was highly accepted within the target group.


Asunto(s)
Embarazo no Planeado , Educación Sexual , Conducta Sexual , Adolescente , Femenino , Alemania , Conocimientos, Actitudes y Práctica en Salud , Humanos , Masculino , Embarazo , Instituciones Académicas , Prevención Secundaria , Autoeficacia
10.
Z Kinder Jugendpsychiatr Psychother ; 47(2): 112-124, 2019 Mar.
Artículo en Alemán | MEDLINE | ID: mdl-29911918

RESUMEN

Prediction of binge drinking in young adults: a cohort study over nine years Abstract. OBJECTIVE: Which person characteristics and environmental factors predict binge drinking at age 21? METHOD: A longitudinal observational study with a nine-year follow-up. A total of 5,176 adolescents from the German states Schleswig-Holstein and Saxony-Anhalt were surveyed in 2006 with paper-pencil questionnaires (mean age 12.6 years, SD = 0.6). A follow-up assessment was conducted in the year 2015. Baseline predictors were age, gender, school type, school performance, parenting style, early experience with alcohol, alcohol use of parents, alcohol use of friends, and sensation seeking. Primary outcome in 2015 was binge drinking at least once a month (six or more alcoholic drinks during one drinking occasion). RESULTS: A subsample of 1,087 (20.9 %) of the former students could be surveyed nine years after baseline (mean age 21.6 years, SD = 0.8). One out of four (25.4 %) reported binge drinking at least once in a month. A multiple regression model revealed three significant predictors of binge drinking: male gender, early experience with alcohol and frequency of parental alcohol use at baseline. CONCLUSIONS: Perceived frequency of parental alcohol use might be an important risk factor for children's alcohol use in early adulthood. Parents need to reflect their role as alcohol-specific socialization agents.


Asunto(s)
Consumo de Bebidas Alcohólicas/epidemiología , Consumo Excesivo de Bebidas Alcohólicas/epidemiología , Responsabilidad Parental , Adolescente , Niño , Estudios de Cohortes , Femenino , Alemania/epidemiología , Humanos , Masculino , Padres , Factores de Riesgo , Adulto Joven
11.
Health Promot Pract ; 19(1): 60-67, 2018 01.
Artículo en Inglés | MEDLINE | ID: mdl-27639273

RESUMEN

BACKGROUND: Existing research shows significant effects of pedometer interventions on students' physical activity (PA). The current study investigates motivational aspects of quantitative increases in PA in the course of a school-based pedometer intervention for adolescents using qualitative data analysis. In addition, critical issues regarding pedometer use in adolescence were examined. METHOD: Data were obtained in the "läuft." evaluation trial. Students of the intervention group received pedometers and took part in class competitions over a time period of 12 weeks. Qualitative data were collected through focus groups (n = 34) with students of the intervention group as well as through in-depth interviews with teachers (n = 33) who implemented the intervention. A grounded theory approach was used to analyze qualitative data. RESULTS: Five major motivational aspects for subsequent increases in PA were examined among students participating in the "läuft." PA program issues: (1) affordance of the pedometer, (2) awareness of the own PA, (3) self-determination with regard to time and type of PA, (4) individual goal setting, and (5) social comparison and competition. CONCLUSIONS: Findings provide a deeper understanding of which aspects of pedometer interventions might be especially important in adolescence and help design effective future interventions for the promotion of PA.


Asunto(s)
Actigrafía , Ejercicio Físico , Motivación , Adolescente , Femenino , Grupos Focales , Promoción de la Salud/métodos , Humanos , Masculino , Investigación Cualitativa , Estudiantes
12.
Artículo en Alemán | MEDLINE | ID: mdl-30276431

RESUMEN

The competition for smoke-free classes, the "Be Smart - Don't Start" program has been implemented in Germany since 1997. Using contract management techniques, school classes participating in the competition commit themselves to abstain from smoking for six months. Classes report on a regular basis whether they have stayed smoke-free or not. After the end of the competition period, successful classes participate in a prize draw. The competition aimes to influence social norms.Over the past 20 years, the competition has become a major school-based intervention to prevent smoking in Germany. Several studies addressed process and outcome evaluation, cost-benefit efficacy and iatrogenic effects. Following the evidence so far, the intervention is feasible for implementation in school routines, evokes positive feedback in teachers and students, and reveals a positive cost-benefit ratio. Findings from controlled studies imply that negative side-effects are unlikely to occur and that participation in the competition affects the progression of smoking positively at least in the short term.


Asunto(s)
Nicotiana , Servicios de Salud Escolar , Prevención del Hábito de Fumar , Adolescente , Niño , Alemania , Humanos , Evaluación de Programas y Proyectos de Salud , Instituciones Académicas , Estudiantes
13.
J Adolesc ; 48: 11-7, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26854729

RESUMEN

Adolescents in modern societies spend about 3 h per day in front of small recreational screens. The present study aims at investigating the relationships between screen time and different indicators of overweight. In addition, associations with the self-concept of physical attractiveness and perceived weight status will be examined. In a total sample of 1228 students (47.5% girls) aged 12-17 years (M = 13.74, SD = 0.68) cross-sectional associations were determined by conducting multiple linear regression analyses. Screen time showed a significant positive dose-response relationship with body mass index percentile, waist circumference, body fat, waist-to-height-ratio, and a negative association with self-concept of physical attractiveness independent of age, gender and moderate to vigorous physical activity. Thus, screen time seems to be associated with adolescent overweight, abdominal obesity, and body dissatisfaction. Reducing adolescents' screen time could be a promising approach for primary prevention of obesity and for the promotion of a positive physical self-concept.


Asunto(s)
Imagen Corporal , Peso Corporal , Computadores/estadística & datos numéricos , Sobrepeso/etiología , Conducta Sedentaria , Televisión/estadística & datos numéricos , Adolescente , Conducta del Adolescente , Imagen Corporal/psicología , Estudios Transversales , Femenino , Humanos , Masculino , Psicología del Adolescente , Autoimagen , Factores de Tiempo
14.
Prev Med ; 74: 59-62, 2015 May.
Artículo en Inglés | MEDLINE | ID: mdl-25770433

RESUMEN

OBJECTIVE: Little is known about risk factors that are associated with e-cigarette use in adolescents. METHODS: Multilevel mixed-effects regressions were performed to assess the relationship between factors that might be associated with e-cigarette, conventional cigarette and dual use in a cohort of 2693 German adolescents (mean age=12.5 years; SD=0.6). Risk factors were assessed in October 2010 and life time e-cigarette and conventional cigarette use were assessed 26 months later. RESULTS: Use of e-cigarettes as well as use of conventional cigarette and dual use were associated with higher sensation seeking scores, and higher odds of having friends and parents who smoke conventional cigarettes, with conventional cigarette use additionally with male gender, being older, having higher odds of siblings who smoke conventional cigarettes, and less likely for adolescents who attend a Gymnasium, secondary school with a strong emphasis on academic learning. The use of conventional cigarettes at baseline did not predict e-cigarette use at follow-up. Lifetime prevalence of e-cigarette use was 4.7%, of conventional cigarette use 18.4%. A quarter of e-cigarette users (23.8%) never smoked a conventional cigarette. DISCUSSION: Data indicate that e-cigarette and conventional cigarette use share many but not all risk factors. E-cigarettes could counteract the process of denormalization of smoking.


Asunto(s)
Conducta del Adolescente , Sistemas Electrónicos de Liberación de Nicotina/estadística & datos numéricos , Servicios de Salud Escolar , Fumar/epidemiología , Medio Social , Productos de Tabaco/estadística & datos numéricos , Adolescente , Distribución por Edad , Niño , Escolaridad , Sistemas Electrónicos de Liberación de Nicotina/efectos adversos , Sistemas Electrónicos de Liberación de Nicotina/tendencias , Femenino , Alemania/epidemiología , Humanos , Modelos Logísticos , Masculino , Padres , Grupo Paritario , Estudios Prospectivos , Factores de Riesgo , Distribución por Sexo , Fumar/efectos adversos , Prevención del Hábito de Fumar , Factores Socioeconómicos , Productos de Tabaco/efectos adversos , Migrantes/estadística & datos numéricos
15.
Prev Med ; 76: 48-57, 2015 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-25895839

RESUMEN

OBJECTIVE: The presented systematic review aims at giving a comprehensive overview of studies assessing the relationship between sedentary behavior and indicators of mental health in school-aged children and adolescents. METHODS: Six online databases (MEDLINE, EMBASE, PsycINFO, PsycARTICLES, CINAHL and SPORTDiscus) as well as personal libraries and reference lists of existing literature were searched for eligible studies. RESULTS: Ninety-one studies met all inclusion criteria. There was strong evidence that high levels of screen time were associated with more hyperactivity/inattention problems and internalizing problems as well as with less psychological well-being and perceived quality of life. Concerning depressive symptoms, self-esteem, eating disorder symptoms, and anxiety symptoms, no clear conclusion could be drawn. But, taking quality assessment into account, self-esteem was negatively associated with sedentary behavior, i.e. high levels of time engaging in screen-based sedentary behavior were linked to lower scores in self-esteem. CONCLUSIONS: Overall, the association between sedentary behavior and mental health indicators was rather indeterminate. Future studies of high quality and with an objective measure of sedentary behavior will be necessary to further examine this association as well as to investigate longitudinal relationships and the direction of causality. Furthermore, more studies are needed to identify moderating and mediating variables.


Asunto(s)
Salud Mental , Conducta Sedentaria , Adolescente , Niño , Preescolar , Computadores/estadística & datos numéricos , Estudios Transversales , Femenino , Humanos , Masculino , Psicología del Adolescente , Psicología Infantil , Autoimagen , Televisión/estadística & datos numéricos
16.
Prev Med ; 81: 399-404, 2015 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-26494609

RESUMEN

OBJECTIVE: To evaluate the immediate effects of a school-based multi-component program to foster a physically active lifestyle in adolescence. DESIGN/PARTICIPANTS: In a cluster-randomized controlled trial with pre- and post-assessment in 2014, 29 schools with 1162 8th grade students (48% girls) from Germany were included. Age ranged from 12 to 17 years (M=13.74; SD=0.67). INTERVENTION: While the control group attended education as usual, students in the intervention group received pedometers and took part in a class competition over a time period of 12 weeks. Classes with the most steps and best creative ideas to promote physical activity in everyday life were awarded. MAIN OUTCOME MEASURES: Primary outcomes included out-of-school sports activities (h/week), moderate to vigorous physical activity (days/week with a minimum of 60 min), active commuting (min/day), doing chores (min/day), and sedentary behavior (h/day) assessed through self-administered questionnaires as well as cardiorespiratory fitness measured using the 20-m shuttle-run test (completed laps). RESULTS: Significant interaction terms between group and wave of assessment were found on out-of-school sports activities (b=-1.09 [-1.89; -0.29], p=0.008), moderate to vigorous physical activity (b=-0.29 [-0.47; -0.10], p=0.002), and active commuting (b=-20.41 [-32.32; -8.49], p=0.001): students in the intervention group showed a higher increase of physical activity levels than students in the control group. The intervention effect on cardiorespiratory fitness missed significance marginally (b=-1.52 [-3.14; 0.98], p=0.065), There was no effect on students' sedentary behavior (b=0.06 [-0.72; 0.84], p=0.881). CONCLUSIONS: An easy to administer school-based physical activity program (12 weeks) may enhance students' leisure-time physical activity. TRIAL REGISTRATION NUMBER: ISRCTN49482118.


Asunto(s)
Actigrafía/instrumentación , Promoción de la Salud/métodos , Aptitud Física , Servicios de Salud Escolar , Adolescente , Femenino , Alemania , Humanos , Estilo de Vida , Masculino , Obesidad/prevención & control , Estudios Prospectivos , Deportes , Encuestas y Cuestionarios
17.
J Adolesc ; 42: 50-8, 2015 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-25910467

RESUMEN

The study investigated the effects of sedentary behavior (SB) on mental well-being and examined differences between screen-based (sSB) and non-screen-based sedentary behaviors (nSB) separately by gender. In a total sample of 1296 students (609 girls) aged 12-17 (m = 13.7, SD = 0.67), SB, depressed affect, self-esteem, physical self-concept, general self-efficacy and physical activity were assessed through self-administered questionnaires. Among girls, lower scores in self-esteem, physical self-concept as well as general self-efficacy were associated with higher sSB but not nSB. Among boys higher levels of sSB related to higher self-esteem, nSB but not sSB predicted higher scores in depressed affect, and there was a u-shaped association between sSB and general self-efficacy. Results replicate the inverse association between SB and mental well-being, and suggest a distinction between nSB and sSB especially among girls. Additional studies will be necessary to replicate, and further examine mediating mechanisms.


Asunto(s)
Protección a la Infancia , Depresión/psicología , Identidad de Género , Conducta Sedentaria , Adolescente , Imagen Corporal , Niño , Depresión/diagnóstico , Femenino , Alemania , Humanos , Actividades Recreativas , Masculino , Actividad Motora , Autoimagen , Factores Sexuales , Encuestas y Cuestionarios
18.
Eur Addict Res ; 19(1): 42-6, 2013.
Artículo en Inglés | MEDLINE | ID: mdl-22948413

RESUMEN

AIMS: We aimed to explain the association between exposure to a cigarette advertisement and favorable attitudes towards the advertisement. METHODS: We used data from an observational cross-sectional study with a sample of 3,415 German schoolchildren aged 10-17 years. Cigarette advertising exposure was assessed with an image of a Marlboro ad, asking for contact frequency (number of times seen the ad) and brand name. Liking of the ad was measured with two items (alpha = 0.78). RESULTS: We found a positive linear association between exposure to the Marlboro ad and liking it. This association remained significant (standardized ß = 0.09; p < 0.001) even after statistical control for smoking status, smoking of friends and parents, attitudes towards smoking in general, cigarette advertising receptivity (having a favorite cigarette ad), exposure to other advertisings, age, sex, socioeconomic status, rebelliousness and sensation seeking, self-reported school performance, and study region. CONCLUSIONS: The association between exposure to an advertisement and liking it was robust and could not be fully explained without referring to either unmeasured confounding or implicit advertising effects (e.g. mere exposure). Implicit effects have implications for prevention strategies as it may be very difficult to counteract unconscious advertising effects.


Asunto(s)
Conducta del Adolescente/psicología , Publicidad/estadística & datos numéricos , Fumar/psicología , Productos de Tabaco/estadística & datos numéricos , Adolescente , Actitud , Niño , Estudios Transversales , Femenino , Alemania , Humanos , Masculino , Estimulación Luminosa/métodos , Factores de Riesgo
19.
Eur Addict Res ; 18(3): 110-5, 2012.
Artículo en Inglés | MEDLINE | ID: mdl-22285973

RESUMEN

BACKGROUND: The 'Smoke-Free Class competition' (SFC) is a school-based smoking prevention programme including commitment not to smoke, contract management and prizes as rewards broadly implemented in Europe. OBJECTIVES: To meta-analyse (randomised) controlled trials on the effects of SFC on current smoking at latest follow-up in adolescents. METHODS: A systematic review of articles using MEDLINE and the Cochrane Library was conducted. The study selection included randomised controlled trials and controlled trials with follow-up assessment that investigated the efficacy of SFC on current smoking in students participating in SFC compared to non-participating students. Independent extraction of articles was performed by both authors. RESULTS: Of 24 records identified, five fulfilled the inclusion criteria. These studies were conducted in three European countries (Finland, The Netherlands and Germany) and recruited 16,302 students altogether. A random effects meta-analysis of these five studies revealed a pooled risk ratio of 0.86 (95% CI 0.79-0.94; z = 3.44, p = 0.001) on current smoking at follow-up by participation in the competition. CONCLUSION: SFC appears to be an effective tool in school-based smoking prevention.


Asunto(s)
Servicios de Salud Escolar , Cese del Hábito de Fumar/métodos , Prevención del Hábito de Fumar , Fumar/epidemiología , Estudiantes , Adolescente , Finlandia/epidemiología , Estudios de Seguimiento , Alemania/epidemiología , Humanos , Países Bajos/epidemiología , Ensayos Clínicos Controlados Aleatorios como Asunto/métodos
20.
Przegl Lek ; 69(10): 721-5, 2012.
Artículo en Inglés | MEDLINE | ID: mdl-23421019

RESUMEN

Susceptibility to smoking has been identified as predictor of smoking onset in adolescence. Aim of the study was to investigate whether receptivity to tobacco marketing, for which a link to adolescent smoking already could be shownin the past, was also associated with susceptibility to smoking. A cross-sectional survey of 1,478 Polish students who reported having never smoked wasconducted. Mean age was 10.1 years and about 53.3% were female. Overall, 84 (5.7%) students were classifiedas susceptible to smoking, and 33 (2.3%) were considered as receptiveto tobacco marketing, operationalised by asking students to name a brand of their favourite cigarette advertisement. Crude logistic regression analyses as well as logistic regression analyses adjusting for socio-demographic characteristics, personality characteristics, factors of social influence and smoking-related cognitions revealed a positive association between receptivity to tobacco marketing and susceptibility to smoking (adjusted odds ratio=3.49 [95% confidence interval: 1.28-9.46], p=0.014). In conclusion, this study revealed that receptivityto tobacco marketing increases susceptibility to smoking. Results providesupport for the almost comprehensive ban of tobacco marketing as existing in Poland and recommend its further expansion towards a total ban including e.g. ban of promotion at point of sale.


Asunto(s)
Conducta del Adolescente , Conocimientos, Actitudes y Práctica en Salud , Mercadotecnía/métodos , Fumar/epidemiología , Fumar/psicología , Estudiantes/estadística & datos numéricos , Adolescente , Niño , Estudios Transversales , Femenino , Humanos , Masculino , Polonia , Análisis de Regresión , Factores de Riesgo , Distribución por Sexo , Conducta Social
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