Singhammer John, Ried-Larsen Mathias, Møller Niels Christian, Lund-Kristensen Peter, Froberg Karsten, Andersen Lars Bo
Department of Physiotherapy, VIA University College, Hedeager 2, DK8200 Aarhus, Denmark.
Institute of Sports Science and Clinical Biomechanics, Centre of Research in Childhood Health, University of Southern Denmark, Odense, Denmark.
Sports Med Open. 2015;1(1):10. doi: 10.1186/s40798-015-0020-1. Epub 2015 Jun 2.
Single-parent family status has been investigated as a possible psychosocial determinant of children's level of physical activity (PA)-although with mixed and inconclusive results. Prevailing evidence of the importance of two-parent family status as a resource for children's PA is based on a mix of subjective and objective measurements of PA. Objectives: To investigate if the level of PA among children living with a single parent was lower compared to children living with two parents by means of a meta-analysis of published and unpublished studies. We restricted our analysis to studies with objective measurements of PA.
Data sources: The databases, Social Science Citation Index, PsycINFO, PubMed, and EBSCO were searched (1987-2013). Study eligibility criteria: Observational studies comparing objectively measured PA between single-parent children and children from two-parent families. Study appraisal and synthesis methods: We used guidelines from the and a modified version of the Newcastle-Ottawa Scale overall to assess the quality of the included studies. We refrained from calculation of summary scores.
Twelve studies met the following inclusion criteria of which six were unpublished: (a) child age (6-18 years) and (b) objectively measured level of PA. Meta-analysis revealed pooled estimates of -0.01 for boys (95 % CI -0.04-0.03, = 0.77, = 6.5 %, = 0.38) and 0.01 for girls (95 % CI -0.03-0.04, = 0.62, = 21.0 %, = 0.24), respectively. Estimates show no differences in objectively measured physical activity between children living in single-parent families compared to children living with two parents. Analyses investigating seven potential moderators did not yield any statistical significant effect size estimates. No evidence of heterogeneity between studies was observed. Limitations: Retrieved articles were assessed by several of the authors. Blinding of the authors was not feasible, as most of the authors have been involved in the studies.
No evidence was found suggesting that children of single-parent families are in special need of extraordinary measures to facilitate their level of PA.
单亲家庭状况已被作为儿童身体活动（PA）水平可能的社会心理决定因素进行了调查——尽管结果不一且尚无定论。双亲家庭状况作为儿童PA资源的重要性的现有证据是基于对PA的主观和客观测量的综合。目的：通过对已发表和未发表研究的荟萃分析，调查单亲家庭儿童的PA水平是否低于双亲家庭儿童。我们将分析限制在对PA进行客观测量的研究。
数据来源：检索了数据库社会科学引文索引、心理学文摘数据库、医学期刊数据库和EBSCO（1987 - 2013年）。研究纳入标准：比较单亲家庭儿童和双亲家庭儿童客观测量的PA的观察性研究。研究评估和综合方法：我们总体上使用了相关指南和纽卡斯尔-渥太华量表的修改版本来评估纳入研究的质量。我们没有计算汇总分数。
12项研究符合以下纳入标准，其中6项未发表：（a）儿童年龄（6 - 18岁）和（b）PA的客观测量水平。荟萃分析显示，男孩的合并估计值为-0.01（95%置信区间-0.04 - 0.03，I² = 0.77，tau² = 6.5%，P = 0.38），女孩为0.01（95%置信区间-0.03 - 0.04，I² = 0.62，tau² = 21.0%，P = 0.24）。估计结果表明，与双亲家庭儿童相比，单亲家庭儿童在客观测量的身体活动方面没有差异。对七个潜在调节因素的分析没有产生任何具有统计学意义的效应量估计值。未观察到研究之间存在异质性的证据。局限性：检索到的文章由几位作者进行评估。由于大多数作者都参与了这些研究，作者的盲法不可行。
没有证据表明单亲家庭的儿童特别需要采取特殊措施来提高他们的PA水平。
