Behavioural Epidemiology, Baker IDI Heart and Diabetes Institute, 99 Commercial Road, Melbourne, VIC 3004, Australia.
School of Science and Health, University of Western Sydney, Australia.
Prev Med. 2012 Oct;55(4):315-318. doi: 10.1016/j.ypmed.2012.07.026. Epub 2012 Aug 6.
Prolonged sitting is detrimentally associated with health outcomes. However, the prevalence and characteristics of those who sit in cars for long periods are not well understood. This study examined the population prevalence, socio-demographic variations, and trends for prolonged sitting in cars among adults.
Using the Sydney Greater Metropolitan Area Household Travel Survey, the prevalence of prolonged sitting time in cars (≥2 h/day) was calculated for four 3-year periods (1997-99, 2000-02, 2003-05, and 2006-08) for each population subgroup. Trends were calculated as the mean change in prevalence between adjacent survey periods.
Cars were used for 66% of the total trips recorded (n=336,505). The prevalence of prolonged sitting time in cars was 16-18% in men, and 10-12% in women. Relatively higher prevalence rates were found among middle-age groups (men: 20-22%, women: 12-15%), full-time workers (men: 21-24%, women: 14-15%), those with higher income (men: 21-25%, women: 14-16%), couples with children (men: 20-21%, women: 12-14%), and those living in outer suburbs (men: 20-23%, women: 12-13%). Trends were stable in men, but increasing in women. Several subgroups (older age; living in regional suburbs) also showed increasing trends.
These findings provide evidence to inform integrated approaches to measurement and policy development on prolonged car use among the public health, urban planning, and transport sectors.
长时间久坐与健康结果呈负相关。然而，长时间坐在汽车里的人群的流行率和特征尚不清楚。本研究调查了成年人中长时间坐在汽车里的人群流行率、社会人口统计学差异和趋势。
使用悉尼大城区家庭出行调查，计算了四个 3 年期间（1997-99 年、2000-02 年、2003-05 年和 2006-08 年）每个人群亚组中长时间坐在汽车里（≥2 小时/天）的流行率。趋势计算为相邻调查期间流行率的平均变化。
汽车用于记录的总出行的 66%（n=336505）。长时间坐在汽车里的流行率在男性中为 16-18%，在女性中为 10-12%。中年组（男性：20-22%，女性：12-15%）、全职工作者（男性：21-24%，女性：14-15%）、高收入者（男性：21-25%，女性：14-16%）、有孩子的夫妇（男性：20-21%，女性：12-14%）和居住在外郊区的人（男性：20-23%，女性：12-13%）中相对较高的流行率较高。男性的趋势稳定，但女性的趋势在增加。几个亚组（年龄较大；居住在区域郊区）也显示出增加的趋势。
这些发现为公共卫生、城市规划和交通部门提供了关于公众长时间汽车使用的综合测量和政策制定的证据。
