Wengreen Heidi J, Moncur Cara
Department of Nutrition and Food Sciences, Utah State University, Logan, Utah, USA.
Nutr J. 2009 Jul 22;8:32. doi: 10.1186/1475-2891-8-32.
The freshmen year of college is likely a critical period for risk of weight gain among young-adults.
A longitudinal observational study was conducted to examine changes in weight, dietary intake, and other health-related behaviors among first-year college students (n = 186) attending a public University in the western United States. Weight was measured at the beginning and end of fall semester (August - December 2005). Participants completed surveys about dietary intake, physical activity and other health-related behaviors during the last six months of high school (January - June 2005) in August 2005 and during their first semester of college (August - December 2005) in December 2005.
159 students (n = 102 women, 57 men) completed both assessments. The average BMI at the baseline assessment was 23.0 (standard deviation (SD) 3.8). Although the average amount of weight gained during the 15-week study was modest (1.5 kg), 23% of participants gained > or = 5% of their baseline body weight. Average weight gain among those who gained > or = 5% of baseline body weight was 4.5 kg. Those who gained > or = 5% of body weight reported less physical activity during college than high school, were more likely to eat breakfast, and slept more than were those who did not gain > or = 5% of body weight.
Almost one quarter of students gained a significant amount of weight during their first semester of college. This research provides further support for the implementation of education or other strategies aimed at helping young-adults entering college to achieve or maintain a healthy body weight.
大学一年级可能是年轻人体重增加风险的关键时期。
进行了一项纵向观察性研究，以调查美国西部一所公立大学的一年级学生（n = 186）的体重、饮食摄入及其他与健康相关行为的变化。在秋季学期开始和结束时（2005年8月 - 12月）测量体重。参与者在2005年8月完成了关于高中最后六个月（2005年1月 - 6月）的饮食摄入、身体活动及其他与健康相关行为的调查，并在2005年12月完成了关于大学第一学期（2005年8月 - 12月）的此类调查。
159名学生（n = 102名女性，57名男性）完成了两项评估。基线评估时的平均体重指数为23.0（标准差（SD）3.8）。尽管在为期15周的研究中体重增加的平均量不大（1.5千克），但23% 的参与者体重增加达到或超过其基线体重的5%。体重增加达到或超过基线体重5% 的参与者平均体重增加4.5千克。与体重增加未达到或超过5% 的参与者相比，体重增加达到或超过5% 的参与者在大学期间报告的身体活动较少，更有可能吃早餐，且睡眠时间更长。
近四分之一的学生在大学第一学期体重显著增加。本研究为实施旨在帮助刚进入大学的年轻人达到或维持健康体重的教育或其他策略提供了进一步支持。
