MSc. Physical Education Professional and Doctoral Student, Laboratory of Physical Activity and Health, Center for Physical Education and Sports, Universidade Estadual de Londrina (UEL), Londrina (PR), Brazil.
PhD. Physical Education Professional and Adjunct Professor, Sport Department, Center for Physical Education and Sports, Universidade Estadual de Londrina (UEL), Londrina (PR), Brazil.
Sao Paulo Med J. 2021 Apr 26;139(3):234-240. doi: 10.1590/1516-3180.2020.0379.R1.18012021. eCollection 2021.
Overweight and obesity have reached epidemic prevalences. Obesity control involves many factors and needs to begin early in childhood.
To ascertain the association between tracked extracurricular sports practice and weight status; and to analyze tracking of overweight and obesity among school-aged children.
Prospective cohort study conducted in 13 public schools in Cianorte, Paraná, in 2012-2016.
The sample comprised 2459 schoolchildren in Cianorte, of mean age 6.3 years at baseline and 9.4 years at follow-up. Body mass index was calculated from body mass and height measurements. The children were grouped as normal weight, overweight or obese. Information on extracurricular sports practice was collected through the dichotomous question "Do you participate in any extracurricular sports?" ("yes" or "no").
Tracking of weight status showed that 75.5% maintained this, with kappa of 0.530. Tracking of extracurricular sports practice showed that 80.9% maintained this, with low concordance (kappa of 0.054). Weight status correlation between baseline and follow-up showed that overweight or obese individuals were 4.65 times (CI: 4.05-5.34) more likely to maintain the same classification or move from overweight to obese at follow-up. Correlation of extracurricular sports practice with overweight or obesity at follow-up was not significant.
These results demonstrated that overweight or obese children were at higher risk of gaining weight than were normal-weight children. In addition, the proportion of these children who maintained extracurricular sports practices over the years was low. Maintenance of this variable was not associated with weight status.
超重和肥胖已达到流行程度。肥胖控制涉及许多因素，需要从儿童早期开始。
确定跟踪课外体育锻炼与体重状况之间的关系；并分析学龄儿童超重和肥胖的跟踪情况。
2012-2016 年在巴拉那州西亚诺尔特的 13 所公立学校进行的前瞻性队列研究。
样本包括西亚诺尔特的 2459 名学龄儿童，基线时的平均年龄为 6.3 岁，随访时为 9.4 岁。体重指数是根据体重和身高测量计算得出的。将儿童分为正常体重、超重或肥胖。通过二项式问题“您是否参加任何课外体育活动？”（“是”或“否”）收集课外体育锻炼信息。
体重状况的跟踪显示，75.5%的儿童保持不变，kappa 值为 0.530。课外体育锻炼的跟踪显示，80.9%的儿童保持不变，但一致性低（kappa 值为 0.054）。基线和随访时体重状况的相关性显示，超重或肥胖的个体在随访时更有可能保持相同的分类或从超重转为肥胖，其可能性是正常体重个体的 4.65 倍（95%CI：4.05-5.34）。课外体育锻炼与随访时超重或肥胖的相关性不显著。
这些结果表明，超重或肥胖儿童比正常体重儿童更容易增加体重。此外，多年来保持课外体育锻炼的这些儿童的比例较低。该变量的维持与体重状况无关。
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