OBJECTIVE. Prevention efforts targeting adolescent risk behavior have had limited effectiveness, partly because of the reliance on individual-level interventions that do not consider the context within which behavior occurs. In addition, the role of development has not been well studied regarding its possible moderating effects on contextual influences on behavior. The purpose of this study was to examine the influence of economic and social context on the odds of being inactive or having above-normal weight and whether the influence differed on the basis of stage of adolescence.METHODS. Analysis used a subset of adolescents aged 10 to 17 years from the National Survey of Children's Health (n ϭ 37 930) from all states and the District of Columbia (n ϭ 51). Dependent variables included physical activity and BMI. State-level economic context was measured by the proportion of families living below 200% of the federal poverty level. Social context was measured by aggregated means of responses to 2 indicators of social capital: mutual aid and social trust. Multilevel modeling was conducted to investigate associations between state-level economic and social context and physical activity and BMI, while controlling for individual sociodemographic characteristics, and whether these associations were dependent on an individual's stage of adolescence. RESULTS. Both state-level mutual aid and social trust were significantly related to the odds of an adolescent not meeting current physical activity recommendations, yet state-level poverty was not. For BMI, all 3 state-level variables were significant predictors of having an above-normal BMI. Evidence was found of the moderating influence of stage of adolescence for both outcomes.CONCLUSIONS. These findings point to the need for the inclusion of contextual-level data in surveillance systems assessing risk behavior in adolescents and consideration of the multilevel nature of the growing problem of inactivity and abovenormal weight when focusing public health prevention efforts.www.pediatrics.org/cgi
Subsyndromal posttraumatic stress disorder (PTSD) is highly prevalent in Veterans Affairs Medical Centers' primary-care clinics and is associated with significant impairment. We used a cross-sectional design to examine PTSD symptoms and depressive disorders endorsed by two cohorts of Veterans meeting less than full PTSD criteria who presented to primary care at the Philadelphia VA Medical Center (i.e., those from Operation Enduring Freedom/Operation Iraqi Freedom/Operation New Dawn (OEF/OIF/OND) and non-OEF/OIF/OND Veterans). The Philadelphia VA Behavioral Health Lab (BHL) assessed 141 Veterans who screened positive for subsyndromal PTSD. Avoidance was endorsed significantly less often than arousal in the total group. When the groups were split by cohort era, higher levels of avoidance and lower levels of arousal were reported in the non-OEF/OIF/OND group than the OEF/OIF/OND group. Comorbid depression was present in 43.9% of the total group with no significant differences between groups. Exposure-based treatments for PTSD offered in specialty mental health clinics target avoidance symptoms. Because the endorsement of avoidance symptoms was low in both of the cohorts that were studied this may not be the most effective treatment target for Veterans with subsyndromal PTSD receiving treatment in primary care settings. For these Veterans, treatments that target reexperiencing and arousal symptoms and/or comorbid depression may be more effective.
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