Comparing growth trajectories of risk behaviors from late adolescence through young adulthood: an accelerated design.
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ABSTRACT:
SUBMITTER: Brodbeck J
PROVIDER: S-EPMC3760598 | biostudies-other | 2013 Sep
REPOSITORIES: biostudies-other
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Project description:ObjectivesAn Antisocial Behavior index (ASB-I) for children (ages 5 to 15) was previously developed by obtaining clinician ratings of the seriousness or severity of various behaviors with the goal of improving assessment of antisocial behaviors (ASB) longitudinally. We extend the instrument for use in late adolescence/young adulthood, as socially unacceptable conduct manifests differently across developmental stages. As in the original study, this extension (the ASB-I YA) is based on independent ratings of ASB seriousness/severity during late adolescence/young adulthood (16 to 28 years) made by nine experienced clinicians.MethodsThe items rated were drawn from the Oppositional Defiant Disorder and Conduct Disorder schedules of the NIMH Diagnostic Interview Schedule for Children (DISC-IV) and the Elliott Delinquency scales, plus new or modified items developmentally appropriate for late adolescence/young adulthood. Specific ratings were based on the developmental stage and reported frequency of the behaviors. The study also describes the distribution of ASB-I YA scores in the Boricua Youth Study.ResultsReliability was substantial for the average ratings of each subscale and for the total score [ICC(3,9): .88 to .95]. Certain items were rated as more severe when occurring in late adolescence/young adulthood compared to childhood/early adolescence (e.g., hitting someone on purpose); however, most ratings were similar across developmental periods. Most importantly, raters reliably and consistently rated the items describing ASB in young adulthood, allowing the computation of the ASB-I YA score.ConclusionsTogether with the ASB-I, the ASB-I YA can further advance the study of ASB progression from childhood into young adulthood.
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Project description:This study aimed at assessing developmental trajectories of risk behaviors from adolescence into young adulthood and their associations with outcomes in young adulthood (i.e. education, employment). Data of the TRacking Adolescents' Individual Lives Survey (TRAILS) including 2,149 participants (mean age = 13.6, SD = 0.5, 51% girls) were used to examine the development of alcohol, cannabis, smoking, and externalizing behavior. The results showed that the associations between these risk behaviors varied with age, and revealed varying developmental patterns throughout adolescence. Most notably alcohol use did not covary strongly with the other risk behaviors. The often assumed peak in risk behavior in adolescence was only found in a small group, and only for alcohol (7.4%) and cannabis use (3.4%), but not for smoking or externalizing behavior. Most adolescents revealed only low involvement in risk behavior, with the largest differences between low and high trajectories emerging in late adolescence (> 19 years). Clustering of risk behavior throughout adolescence is rather the exception than the rule and depends on age and type of risk behavior. Differences in risk behavior between individuals become the largest in late adolescence, possibly influencing successful transition into adulthood visible in educational attainment and employment.
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Project description:BackgroundReports on body mass index (BMI) trajectories from childhood into late adolescence, their determinants, and subsequent cardiometabolic risk markers, particularly among European populations have been few. Moreover, sex-specific investigation is necessary considering the sex difference in BMI, and the sex-specific association between BMI and some cardiometabolic risk markers.MethodsUsing a sample from the DOrtmund Nutritional and Anthropometric Longitudinally Designed study, we explored sex-specific trajectories of the BMI standard deviation score (SDS) from 4 to 18 years of age in 354 males and 335 females by latent (class) growth models. The determinants of trajectory were assessed by logistic regression. We identified cardiometabolic risk markers that were highly associated with BMI SDS trajectory by random forest regression, and finally we used generalized linear models to investigate differences in the identified cardiometabolic risk markers between pairs of trajectories.ResultsWe observed four: 'low-normal weight', 'mid-normal weight', 'high-normal weight', and 'overweight', and three: ''low-normal weight', 'mid-normal weight', and 'high-normal weight' trajectories in males and females, respectively. Higher maternal prepregnancy BMI was associated with the 'overweight' trajectory, and with 'high-normal weight' trajectory in both sexes. In addition, employed mothers and first-born status were associated with 'high-normal weight' trajectory in females. BMI SDS trajectory was associated with high-density lipoprotein-cholesterol and interleukin-18 (IL-18) in males, and diastolic blood pressure and interleukin-6 (IL-6) in females. However, only males following the 'overweight' trajectory had significantly higher IL-18 when compared to their 'low-normal weight' counterpart.ConclusionsWe identified sex-specific distinct trajectories of BMI SDS from childhood into late adolescence, higher maternal prepregnancy BMI as a common determinant of the 'high-normal weight' and 'overweight' trajectories, and 'overweight' trajectory being associated with elevated IL-18 in late adolescence-young adulthood. This study emphasizes the role of maternal prepregnancy BMI in overweight, and highlights IL-18 as a cardiometabolic signature of overweight across life.
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Project description:BackgroundUsing a nationally representative longitudinal cohort, we examine how cognitive aptitude in early adolescence is associated with heterogeneous pathways of marijuana use from age sixteen through young adulthood. We also examine whether this relationship can be explained by the role of cognitive aptitude in the social organization of peer group deviance.MethodsUsing the National Longitudinal Survey of Youth 1997, we identified 5 latent trajectories of frequency of marijuana use between ages 16 and 26: abstainers, dabblers, early heavy quitters, consistent users, and persistent heavy users. Multinomial regression assessed the relationship of cognitive aptitude in early adolescence with these latent trajectories, including the role of peer group substance use in this relationship.ResultsA one decile increase in cognitive aptitude in early adolescence is associated with greater relative risk of the dabbler trajectory (RR = 1.048; p < .001) and consistent user trajectory (RR = 1.126; p < .001), but lower relative risk of the early heavy quitter trajectory (RR = 0.917; p < .05) in comparison with the abstainer trajectory. There was no effect for the persistent heavy user trajectory. The inclusion of peer group substance use-either via illegal drugs or smoking-had no effect on these relationships.ConclusionsAdolescents who rate higher in cognitive aptitude during early adolescence may be more likely to enter into consistent but not extreme trajectories of marijuana use as they age into young adulthood. Cognition may not influence patterns of marijuana use over time via the organization of peer groups.
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Project description:Violence and other antisocial behaviors, including fighting and weapon carrying, are highly prevalent among adolescents but usually decrease in young adulthood. Childhood adversities, including exposure to abuse, intimate partner violence, and household substance use and mental health problems, have been linked to violent behaviors in adolescence and adulthood. However, few studies of childhood adversity as determinants of persistent violent behavior among community-based samples have been conducted. Furthermore, the effects of adversity timing and duration on subsequent violent behaviors are unclear. We examined the association between five childhood adversity trajectories (representing stable-low, stable-mild, decreasing, increasing, and stable-high adversity from birth through age 11.5 years) and physical fighting and weapon carrying at ages 13-20 years among a sample of young adults followed continuously since birth from the Avon Longitudinal Study of Parents and Children (n = 9,665). The prevalence of violent behaviors declined sharply as participants aged (e.g., whereas 42.8% reported engaging in physical fighting in the past year at ages 13-15 years, this dropped to 10.4% at ages 17-20 years). Childhood adversity trajectories exhibited a strong dose-response relation with physical fighting and weapon carrying, with particularly pronounced relations for violent behaviors persisting across both adolescence and early adulthood (e.g., for physical fighting at both ages 13-15 years and 17-20 years compared to no fighting at either period, adjusted odds ratio [aOR] = 1.62, 95% confidence interval [CI] = 1.31-2.00 for stable-mild; aOR = 2.33, 95% CI = 1.64-3.33 for decreasing; aOR = 3.18, 95% CI = 2.20-4.60 for increasing; and aOR = 3.73, 95% CI = 2.13-6.52 for stable-high adversity, compared to stable-low adversity). This work highlights the substantial implications of exposure to childhood adversity for youth violence prevention.
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