Browsing by Author "Coffman, Donna"

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    Forced sexual experiences and sexual situation self-efficacy among South African youth
    (Wiley, 2015) Miller, Jacqueline A.; Smith, Edward A.; Coffman, Donna; Mathews, Catherine; Wegner, Lisa
    Nearly 20% of South African youth experience forced or coerced sexual intercourse. Understanding the factors associated with forced sex is important for informing prevention programs aimed at reducing sexual violence and HIV and AIDS. Multilevel regression models test the association between sexual situation self-efficacy and forced sex among 2,893 South African adolescents. Findings suggest that youth are more likely to experience forced sex after periods of time when their levels of self-efficacy are lower than their average levels of self-efficacy. Furthermore, youth who are lower on their self-efficacy compared to their peers are more likely to experience forced sex. Implications for prevention research are discussed.
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    Predicting substance use behavior among South African adolescents: The role of leisure experiences across time
    (SAGE Publications, 2011) Sharp, Erin Hiley; Coffman, Donna; Caldwell, Linda L.; Smith, Edward A.; Wegner, Lisa; Vergnani, Tania; Mathews, Catherine
    Using seven waves of data, collected twice a year from the 8th through the 11th grades in a low-resource community in Cape Town, South Africa, we aimed to describe the developmental trends in three specific leisure experiences (leisure boredom, new leisure interests, and healthy leisure) and substance use (cigarettes, alcohol, and marijuana) behaviors and to investigate the ways in which changes in leisure experiences predict changes in substance use behaviors over time. Results indicated that adolescents’ substance use increased significantly across adolescence, but that leisure experiences remained fairly stable over time. We also found that adolescent leisure experiences predicted baseline substance use and that changes in leisure experiences predicted changes in substance use behaviors over time, with leisure boredom emerging as the most consistent and strongest predictor of alcohol, cigarette, and marijuana use. Implications for interventions that target time use and leisure experiences are discussed.