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OBJECTIVE AND PARTICIPANTS: The authors investigated the effect of physical activity (PA), fruit and vegetable intake, and alcohol use on 6-month weight change in 193 college freshmen (78.8% white, 88.2% women, 94.5% on a meal plan). METHODS: The authors administered a Web-based survey in fall 2002 (baseline) and spring 2003 (follow-up). RESULTS: There was an overall average weight gain of 2.5 lbs (p .05), and PA was unchanged. Weight gain for students with body mass indexes (BMI) > or =25 kg/m2 was nearly twice that of students with BMIs or = 4 sessions per week (ie, high frequency) of low-intensity PA were twice as likely to have healthy BMIs as students engaging in low- and moderate-frequency PA. CONCLUSIONS: PA interventions should target freshmen with BMIs > or = 25.
Kasparek et al. (Tue,) studied this question.