Delfino Leandro D, Dos Santos Silva Diego A, Tebar William R, Zanuto Edner F, Codogno Jamile S, Fernandes Rômulo A, Christofaro Diego G
Physiotherapy Post Graduation Program, São Paulo State University, Presidente Prudente, Brazil.
Physical Education Post Graduation Program, Santa Caterina Federal University, Florianopolis, Brazil.
J Sports Med Phys Fitness. 2018 Mar;58(3):318-325. doi: 10.23736/S0022-4707.17.06980-8. Epub 2017 Apr 28.
Sedentary behaviors in adolescents are associated with using screen devices, analyzed as the total daily time in television viewing, using the computer and video game. However, an independent and clustered analysis of devices allows greater understanding of associations with physical inactivity domains and eating habits in adolescents.
Sample of adolescents aged 10-17 years (N.=1011) from public and private schools, randomly selected. The use of screen devices was measured by hours per week spent in each device: TV, computer, videogames and mobile phone/tablet. Physical inactivity domains (school, leisure and sports), eating habits (weekly food consumption frequency) and socioeconomic status were assessed by questionnaire.
The prevalence of high use of mobile phone/tablet was 70% among adolescents, 63% showed high use of TV or computer and 24% reported high use of videogames. High use of videogames was greater among boys and high use of mobile phone/tablet was higher among girls. Significant associations of high use of TV (OR=1.43, 95% CI: 1.04-1.99), computer (OR=1.44, 95% CI: 1.03-2.02), videogames (OR=1.65, 95% CI: 1.13-2.69) and consumption of snacks were observed. High use of computer was associated with fried foods consumption (OR=1.32, 95% CI: 1.01-1.75) and physical inactivity (OR=1.41, 95% CI: 1.03-1.95). Mobile phone was associated with consumption of sweets (OR=1.33, 95% CI: 1.00-1.80). Cluster using screen devices showed associations with high consumption of snacks, fried foods and sweets, even after controlling for confounding variables.
The high use of screen devices was associated with high consumption of snacks, fried foods, sweets and physical inactivity in adolescents.
青少年的久坐行为与使用屏幕设备有关，屏幕设备使用时间以每日看电视、使用电脑和玩电子游戏的总时长来分析。然而，对设备进行独立且聚类分析能更深入了解青少年身体活动不足领域及饮食习惯之间的关联。
从公立和私立学校随机抽取10至17岁青少年样本（N = 1011）。通过每周在每种设备上花费的小时数来衡量屏幕设备的使用情况：电视、电脑、电子游戏以及手机/平板电脑。通过问卷调查评估身体活动不足领域（学校、休闲和运动）、饮食习惯（每周食物消费频率）和社会经济地位。
青少年中手机/平板电脑高使用患病率为70%，63%的人电视或电脑使用频率高，24%的人电子游戏使用频率高。男孩中电子游戏高使用比例更高，女孩中手机/平板电脑高使用比例更高。观察到电视高使用（比值比[OR]=1.43，95%置信区间[CI]：1.04 - 1.99）、电脑高使用（OR = 1.44，95% CI：1.03 - 2.02）、电子游戏高使用（OR = 1.65，95% CI：1.13 - 2.69）与零食消费之间存在显著关联。电脑高使用与油炸食品消费（OR = 1.32，95% CI：1.01 - 1.75）及身体活动不足（OR = 1.41，95% CI：1.03 - 1.95）有关。手机与甜食消费（OR = 1.33，95% CI：1.00 - 1.80）有关。即使在控制混杂变量后，屏幕设备聚类使用仍与零食、油炸食品和甜食的高消费有关。
屏幕设备的高使用与青少年零食、油炸食品、甜食的高消费及身体活动不足有关。
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