书包重量成为新西兰青少年步行或骑车上学的障碍。
School Bag Weight as a Barrier to Active Transport to School among New Zealand Adolescents.
作者信息
Mandic Sandra, Keller Roman, García Bengoechea Enrique, Moore Antoni, Coppell Kirsten J
机构信息
Active Living Laboratory, School of Physical Education, Sport and Exercise Sciences, University of Otago, PO Box 56, Dunedin 9054, New Zealand.
Department of Medicine, Dunedin School of Medicine, University of Otago, PO Box 56, Dunedin 9054, New Zealand.
出版信息
Children (Basel). 2018 Sep 20;5(10):129. doi: 10.3390/children5100129.
BACKGROUND
Excessive school bag weight is a barrier to active transport to school (ATS). This study examined parents' and adolescents' perceptions of school bag weights and actual school bag weights for adolescents in New Zealand.
METHODS
Parents (n = 331; 76.7% women) completed a survey. Adolescents (n = 682; age 15.1 ± 1.4 years; 57.3% boys) completed a survey, underwent anthropometry, and had their school bags weighed.
RESULTS
Overall, 68.3% of parents perceived that adolescents' school bags were too heavy to carry to school. This parental perception differed by adolescents' mode of transport to school (active/motorized/combined: 35.1%/78.4%/68.8%, < 0.001). Adolescents perceived that their school bags were too heavy to carry to walk (57.8%) or cycle (65.8%) to school. Adolescent perceptions differed by mode of transport to school (for walking (active/motorized/combined): 30.9%/69.2%/55.9% agree, < 0.001; for cycling: 47.9%/72.8%/67.7%; < 0.001). Actual school bag weight was, on average, 5.6 ± 2.1 kg. Relative school bag weight (% of body weight) was higher for boys and underweight adolescents compared to their counterparts. Neither absolute nor relative school bag weight differed by mode of transport to school.
CONCLUSIONS
School bag weight was perceived a barrier to ATS and was a greater perceived barrier among users of motorized versus active transport. Perceptions of school bag weights should be considered in future ATS interventions.
背景
书包过重是妨碍步行上学的一个因素。本研究调查了新西兰父母及青少年对书包重量的看法以及青少年书包的实际重量。
方法
父母（n = 331；76.7%为女性）完成一项调查。青少年（n = 682；年龄15.1±1.4岁；57.3%为男孩）完成一项调查，接受人体测量，并对其书包进行称重。
结果
总体而言，68.3%的父母认为青少年的书包太重，无法背到学校。父母的这种看法因青少年上学的交通方式而异（步行/机动/混合：35.1%/78.4%/68.8%，<0.001）。青少年认为他们的书包太重，无法步行（57.8%）或骑车（65.8%）上学。青少年的看法因上学交通方式而异（步行时（步行/机动/混合）：30.9%/69.2%/55.9%表示认同，<0.001；骑车时：47.9%/72.8%/67.7%；<0.001）。书包实际平均重量为5.6±2.1千克。与同龄人相比，男孩和体重过轻的青少年的相对书包重量（占体重的百分比）更高。书包的绝对重量和相对重量均不因上学交通方式而异。
结论
书包重量被认为是妨碍步行上学的一个因素，并且在使用机动交通而非步行交通的人群中，这种妨碍的感受更强。在未来促进步行上学的干预措施中应考虑对书包重量的看法。
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