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Johns Hopkins Bloomberg School of Public Health 
POPULATION, FAMILY AND REPRODUCTIVE HEALTH 
Transitions into and from tob...
Chile Lab: A DHSS focused on adolescents and youth 
• Located in the Chi Linh district of Dai Duong province 
about half w...
Adolescent and Youth Sample (14-24 year olds) 
• Module 1, Time 1: 9,587 
• Module 1, Time 2: 10,123 
• Module 2, Time 1: ...
Prevalence of Ever Smoking and Having Been Drunk in Past 
30 days by sex, Time 1 
Behavior Engagement in 
Behavior 
Males ...
Prevalence (%) for ever smoking and drunk in the past 30 
days by age (Time 1, full sample) 
BEHAVIOR 13 y.o. 15 y.o. 17 y...
Transition from Non-Smoker to 
smoker 
Time 1 
Non-smoker 
Time 2 
Non-smoker 
Time 2 
Smoker 
1081 701 (64.9%) 380 
(35.1...
Transition to Smoking Cessation (Quitting) 
among Males 2006, 2009; Analytic Sample 
Transition from Smoker to Non-smoker ...
Transition to Drunk in the past 30 da. 
among Males 2006, 2009; Analytic Sample 
Transition from never drunk to 
drunk in ...
Transition to Not Drunk in the past 30 da. 
among Males 2006, 2009; Analytic Sample 
Transition from drunk to ever 
drunk ...
Conclusions 
• Cigarette smoking is remarkably rare among female 
adolescents and youth in Viet Nam 
• For males both alco...
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Tobacco and alcohol use among Vietnamese adolescents and youth Slide 1 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 2 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 3 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 4 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 5 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 6 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 7 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 8 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 9 Tobacco and alcohol use among Vietnamese adolescents and youth Slide 10
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A presentation by Robert Blum as part of the Societal and Community Influences across the Life Course panel discussion at the International Symposium on Cohort and Longitudinal Studies in Developing Contexts, UNICEF Office of Research - Innocenti, Florence, Italy 13-15 October 2014

Tobacco and alcohol use among Vietnamese adolescents and youth

  1. 1. Johns Hopkins Bloomberg School of Public Health POPULATION, FAMILY AND REPRODUCTIVE HEALTH Transitions into and from tobacco and alcohol use among Vietnamese adolescents and youth Robert Blum, MD, MPH, PhD Johns Hopkins Huan He MS Johns Hopkins Linh Cu Le, PhD Hanoi School of Public Health Prepared for International Symposium on Cohort and Longitudinal Studies Florence, Italy 13 October, 2014
  2. 2. Chile Lab: A DHSS focused on adolescents and youth • Located in the Chi Linh district of Dai Duong province about half way between Hanoi and Hai Phong. • Three modules – Health Status Behavior module collected on approximately 10,000 14-24 year olds three times: 2006, 2009, 2013. – Risk and Protective Factors module collected on approximately 2500 14-24 year olds twice: 2007, 2014. – Parent Influences and Social Factors module collected on approximately 2500 14-24 year olds once: 2008 (a second data collection is planned for late 2014) 13 October 2014 Longitudinal Cohorts Conference Florence, Italy
  3. 3. Adolescent and Youth Sample (14-24 year olds) • Module 1, Time 1: 9,587 • Module 1, Time 2: 10,123 • Module 2, Time 1: 3,147 • Merged sample (all three modules): 2,796 – Females: 1479 – Males: 1317 13 October 2014 Longitudinal Cohorts Conference Florence, Italy
  4. 4. Prevalence of Ever Smoking and Having Been Drunk in Past 30 days by sex, Time 1 Behavior Engagement in Behavior Males Females SMOKING NO 3500 (77.7%) 4482 (99.2) YES 1008 (22.3%) 13 (0.3%) MISSING 20 (0.4%) 21 (0.5%) EVER DRUNK PAST 30 DAYS NO 2663 (58.8) 3482 (86.8%) YES 1258 (38.8%) 488 (12.0%) Missing 107 (2.4%) 48 (1.2%) 13 October 2014 Longitudinal Cohorts Conference Florence, Italy
  5. 5. Prevalence (%) for ever smoking and drunk in the past 30 days by age (Time 1, full sample) BEHAVIOR 13 y.o. 15 y.o. 17 y.o. 19 y.o. 21 y.o. EVER SMOKE M: 1.8% 5.9% 12.1% 24.6% 38.% F: 0 0.3% 0.2% 0 0.7% DRUNK IN PAST 30 DAYS M: 11.0% 17.8% 30.7% 46.9% 62.8% F: 2.5% 7.1% 13.2% 14.5% 17.6% 13 October 2014 Longitudinal Cohorts Conference Florence, Italy
  6. 6. Transition from Non-Smoker to smoker Time 1 Non-smoker Time 2 Non-smoker Time 2 Smoker 1081 701 (64.9%) 380 (35.15%) Factors assoc. with transition to smoking • Cigarettes available in the home 2.17 (p<.05) • Family hx of violence/abuse 1.46 (p<.01) • Teacher violence/abuse 1.53 (p<.001) • Ever used internet 2.47 (p<.001) • Close friends smoke cigarettes 6.07 (p<.001) • Drunk in past 30 da 2.68 (p<.001) • Male dominance values 1.35 (p<.01) • Has girlfriend 2.23 (p<.001) • Smoking causes disease NS Oct 13, 2014 Longitudinal Cohorts Conference Florence, Italy Transition to Smoking among Males 2006, 2009; Analytic Sample
  7. 7. Transition to Smoking Cessation (Quitting) among Males 2006, 2009; Analytic Sample Transition from Smoker to Non-smoker Time 1 Smoker Time 2 Smoker Time 2 Non-Smoker 202 150 (74.3%) 52 (25.7%) Factors assoc. with transition to quitting smoking • Father does not smoke cigarettes 2.10 (p<.05) • Parents never discuss tobacco/ substances 0.20 (p<.05) • Family member experiences adverse event .28 (p<.05) • Almost all friends smoke .24 (p<.001) • Self-esteem 2.48 (p<.01) • Drunk in the past 30 da NS • Knows smoking causes disease NS Oct 13, 2014 Longitudinal Cohorts Conference Florence, Italy
  8. 8. Transition to Drunk in the past 30 da. among Males 2006, 2009; Analytic Sample Transition from never drunk to drunk in the past 30 days Time 1 Never Drunk Time 2 Never Drunk Time 2 Drunk past 30 da. 959 794 (82.8%) 165 (17.2%) Factors assoc. with transition to drinking • Family member experiences adverse event 1.88 (p<.01) • High family conflicts 1.98 (p<.001) • Ever used internet 2.71 (p<.001) • Almost all friends have been drunk 4.16 (p<.001) • Too sick to go to school/work in last year 1.50 (p<.01) • Depression NS • Repeated grade in School NS Oct 13, 2014 Longitudinal Cohorts Conference Florence, Italy
  9. 9. Transition to Not Drunk in the past 30 da. among Males 2006, 2009; Analytic Sample Transition from drunk to ever drunk in the past 30 days Time 1 Drunk in past 30 days Time 2 Never Drunk Time 2 Drunk past 30 da. 142 73 (51.4%) 69 (48.6%) Factors assoc. with transition to non-drunk • Pressure from peers to smoke .26 (p<.01) • Smokes cigarettes at time one: .37 (p<.01) • Depression 2.05 (p<.05) • Too sick to go to school/work in last year 2.66 (p<.01) • Repeated grade in School NS • School enrollment NS Oct 13, 2014 Longitudinal Cohorts Conference Florence, Italy
  10. 10. Conclusions • Cigarette smoking is remarkably rare among female adolescents and youth in Viet Nam • For males both alcohol and tobacco are social behaviors linked with perceived peer behaviors • Family emotional environment appears to significantly influence substance use • Knowledge of the effects of tobacco appear to have little effect on behavior • Except for violent/aggressive teachers school factors appear to have little effect on substance use October 13, 2014 Longitudinal Cohorts Conference Florence, Italy
  • thichlualanh2G

    Nov. 24, 2015

A presentation by Robert Blum as part of the Societal and Community Influences across the Life Course panel discussion at the International Symposium on Cohort and Longitudinal Studies in Developing Contexts, UNICEF Office of Research - Innocenti, Florence, Italy 13-15 October 2014

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