Self-efficacy as a moderator of parental and peer influence on adolescent health-related behaviors
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2021-06-20
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en
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About 15% of Dutch adolescents are overweight or obese and the most well-known causes are
unhealthy eating habits and lack of physical activity. Regarding these health behaviours,
adolescents are very susceptible to parental and peer influence. While many studies have
investigated parental and peer influence, no study has compared whether peers or parents
have a stronger impact on adolescent’s health behaviours. Furthermore, there is only a little
known about possible moderating factors. This study investigates the unique contributions of
parental and peer influence on adolescents’ health behaviours; and tests whether self-efficacy
moderates parental and peer influence. The analytic sample (n = 332, 44% female) is between
the ages of 8 to 11 (M = 11.02, SD = 1.37) and was derived from the MyMovezProject
(Bevelander et al., 2018). Data were collected in 2015 (T1) and 2016 (T2). The results
indicated that descriptive norms related to health behaviours of parents and peers did not
predict changes in adolescents’ health behaviours (i.e., healthy diet and physical activity). The
moderation effect of self-efficacy was also not detected. Implications of these findings are
discussed.
Keywords: social influence, adolescence, diet, physical activity, self-efficacy
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Faculteit der Sociale Wetenschappen