J Phys Act Health. 2019 Sep 1;16(9):799-808. doi: 10.1123/jpah.2018-0648. Epub 2019 Jul 18.
Children and youths from low-income families and certain ethnic minority groups show high levels of risk and vulnerability to physical inactivity. The aim of this review was to examine the effectiveness of interventions to increase physical activity (PA) in children and youths from low-income and ethnic minority (LIEM) families.
Eight databases were systematically searched for PA interventions for LIEM children and youths. Twenty-six studies were included in the analyses. Effect sizes (ESs) were calculated using a random-effects model. The ESs were computed using Hedges g with 95% confidence interval.
There were small to medium effects of interventions on PA in LIEM children and youth (Q = 1499.193, df = 30, P < .05; I2 = 97.999). Analyses on the moderator variables showed that ES for participants aged 9-12 years (ES = 0.542, P = .01); intervention length less than 13 weeks (ES = 0.561, P = .01); specialists as the intervention agent (ES = 0.680, P < .05); interventions without technology (ES = 0.363, P = .02); and interventions with a behavioral modification component (ES = 0.336, P = .03) were significantly different from zero.
PA intervention can be an effective strategy to increase PA for LIEM children and youths.
来自低收入家庭和某些少数族裔群体的儿童和青少年在身体活动不足方面表现出较高的风险和脆弱性。本综述的目的是评估针对低收入和少数族裔（LIEM）家庭儿童和青少年的增加身体活动（PA）的干预措施的有效性。
系统地在八个数据库中搜索针对 LIEM 儿童和青少年的 PA 干预措施。有 26 项研究被纳入分析。使用随机效应模型计算效应大小（ES）。使用 Hedges g 计算效应大小，置信区间为 95%。
干预措施对 LIEM 儿童和青少年的 PA 有小到中等的影响（Q = 1499.193，df = 30，P <.05；I2 = 97.999）。对调节变量的分析表明，9-12 岁参与者的 ES（ES = 0.542，P =.01）；干预时长小于 13 周（ES = 0.561，P =.01）；专家作为干预代理人（ES = 0.680，P <.05）；没有技术的干预措施（ES = 0.363，P =.02）；以及包含行为修正成分的干预措施（ES = 0.336，P =.03）与零有显著差异。
PA 干预措施可能是增加 LIEM 儿童和青少年 PA 的有效策略。
