巴西青少年的看电视时间：男孩和女孩的相关因素有所不同。
Television time among Brazilian adolescents: correlated factors are different between boys and girls.
作者信息
Silva Diego Augusto Santos, Tremblay Mark Stephen, Gonçalves Eliane Cristina de Andrade, Silva Roberto Jerônimo dos Santos
机构信息
Federal University of Santa Catarina, Post-Graduate Program of Physical Education, Florianópolis, SC, Brazil ; Campus Universitário Reitor João David Ferreira Lima, Centro de Desportos, Departamento de Educação Física, Bairro Trindade 88040-900, Florianópolis, SC, Brazil.
Healthy Active Living and Obesity Research Group, Department of Pediatrics, University of Ottawa, CHEO Research Institute, 401 Smyth Road, Ottawa, ON, Canada K1H 8L1.
出版信息
ScientificWorldJournal. 2014 Feb 25;2014:794539. doi: 10.1155/2014/794539. eCollection 2014.
OBJECTIVE
The aim of this study was to identify the prevalence of excess television time and verify correlated factors in adolescent males and females.
METHODS
This cross-sectional study included 2,105 adolescents aged from 13 to 18 years from the city of Aracaju, Northeastern Brazil. Television time was self-reported, corresponding to the time spent watching television in a typical week. Several correlates were examined including age, skin color, socioeconomic status, parent education, physical activity level, consumption of fruits and vegetables, smoking status, alcohol use, and sports team participation.
RESULTS
The prevalence excess television time (≥ 2 hours/day) in girls and boys was 70.9% and 66.2%, respectively. Girls with low socioeconomic status or inadequate consumption of fruits and vegetables were more likely to have excess television time. Among boys, those >16 years of age or with black skin color were more likely to have excess television time.
CONCLUSIONS
Excess television time was observed in more than two-thirds of adolescents, being more evident in girls. Correlated factors differed according to sex. Efforts to reduce television time among Brazilian adolescents, and replace with more active pursuits, may yield desirable public health benefits.
目的
本研究旨在确定青少年男性和女性中电视观看时间过长的患病率，并验证相关因素。
方法
这项横断面研究纳入了来自巴西东北部阿拉卡茹市的2105名13至18岁的青少年。电视观看时间通过自我报告获得，即典型一周内观看电视的时间。研究考察了几个相关因素，包括年龄、肤色、社会经济地位、父母教育程度、身体活动水平、水果和蔬菜摄入量、吸烟状况、饮酒情况以及是否参加运动队。
结果
女孩和男孩中电视观看时间过长（≥2小时/天）的患病率分别为70.9%和66.2%。社会经济地位低或水果和蔬菜摄入量不足的女孩更有可能电视观看时间过长。在男孩中，年龄大于16岁或肤色为黑色的男孩更有可能电视观看时间过长。
结论
超过三分之二的青少年存在电视观看时间过长的情况，在女孩中更为明显。相关因素因性别而异。在巴西青少年中减少电视观看时间并代之以更积极的活动的努力，可能会带来理想的公共卫生效益。
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