Werneck André O, Winpenny Eleanor M, Foubister Campbell, Guagliano Justin M, Monnickendam Alex G, van Sluijs Esther M F, Corder Kirsten
MRC Epidemiology Unit and Centre for Diet and Activity Research (CEDAR), University of Cambridge, Cambridge, UK.
Department of Physical Education. Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Presidente Prudente, Brazil.
Prev Med Rep. 2020 Nov 28;20:101261. doi: 10.1016/j.pmedr.2020.101261. eCollection 2020 Dec.
Our aim was to systematically review the effect of cohabitation and marriage on physical activity, diet and weight-related outcomes during emerging adulthood. A systematic search of six electronic databases was conducted until July 2019 (PROSPERO:CRD42018106943). Prospective studies were included if data were presented for a weight-related outcome, physical activity, and/or diet among 15-35 years-old participants assessed pre- and post-cohabitation or marriage and compared to a consistently non-cohabiting/non-married (single) reference group. Following title/abstract screening, two reviewers independently screened full-text and assessed risk of bias. There were 11 studies that met inclusion criteria. Outcomes included: body mass index (BMI) only (n = 3), physical activity only (n = 4), diet only (n = 2), BMI and physical activity (n = 1), and all outcomes (n = 1). Cohabitation or marriage was associated with greater BMI increases compared to remaining single among both men and women. Three studies analysed separately cohabitation and marriage and 3 of 4 found that only marriage was associated with higher BMI. Compared to being consistently single, starting cohabitation or getting married were associated with decreased physical activity in 2 of 4 studies among men and 4 of 6 studies among women, with no differences between marriage and cohabitation. Of the three studies examining change in diet, two showed no difference between individuals beginning to cohabit compared to those remaining single; without gender differences. Starting cohabitation and getting married may be valuable targets for weight management interventions, but more studies are needed to investigate the effect of cohabitation and marriage on health behaviours.
我们的目标是系统回顾成年初期同居和婚姻对身体活动、饮食及体重相关结果的影响。截至2019年7月，我们对六个电子数据库进行了系统检索（国际前瞻性系统评价注册库：CRD42018106943）。如果研究呈现了15至35岁参与者在同居或结婚前后与体重相关的结果、身体活动及/或饮食的数据，并与始终未同居/未结婚（单身）的参照组进行比较，则纳入前瞻性研究。在进行标题/摘要筛选后，两名评审员独立筛选全文并评估偏倚风险。共有11项研究符合纳入标准。结果包括：仅体重指数（BMI）（n = 3）、仅身体活动（n = 4）、仅饮食（n = 2）、BMI和身体活动（n = 1）以及所有结果（n = 1）。与保持单身相比，同居或结婚的男性和女性BMI增加幅度更大。三项研究分别分析了同居和婚姻情况，其中四项中有三项发现只有婚姻与较高的BMI相关。与始终单身相比，在四项男性研究中有两项、六项女性研究中有四项发现，开始同居或结婚与身体活动减少有关，婚姻和同居之间无差异。在三项研究饮食变化的研究中，两项研究表明开始同居的人与保持单身的人之间没有差异；无性别差异。开始同居和结婚可能是体重管理干预的重要目标，但需要更多研究来调查同居和婚姻对健康行为的影响。
