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Original Research Associations Between After-School Physical Activity, Television Use, and Parental Strategies in a Sample of New Zealand Adolescents



299 – 305

Background: Youth display suboptimal levels of[1] physical activity and sedentary behaviors. Few studies have examined the existence of the “displacement hypothesis” or the effect of parental strategies on activity behaviors during the after-school period. Methods: A total of 3471 students (12–18 years old) completed a self-report survey that assessed after-school physical activity and television (TV) use and perceived parental strategies (ie, encouragement to be active, TV-viewing rules). Participants were grouped into 4 activity groups: high TV/low active, high TV/active, low TV/low active, or low TV/active. Descriptive statistics and nominal logistic-regression analyses were conducted. Results: Compared with students who watched less than 1 h of TV, participants who watched ≥4 h of TV were half as likely to be active after school (≥4 h; adjusted odds ratio 0.51, 95% CI .40–.65). Compared with the low TV/active group, the other activity groups were at least 1.28 times more likely to have parents that provided only 1 parental strategy (encouragement for activity or TV rules) and up to 4.7 times more likely to have parents that provided neither strategy. Discussion: Sedentary behaviors are associated with displacement of active pursuits. Parental strategies exert a strong influence on after-school behaviors of high school students.

 

Authors: Maea Hohepa, Robert Scragg, Grant Schofield, Gregory S. Kolt, David Schaaf

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