Life stage and sex specificity in relationships between the built and socioeconomic environments and physical activity.
Life stage and sex specificity in relationships between the built and socioeconomic environments and physical activity.
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DOI：
10.1136/jech.2009.105064
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发表时间：
2011-10
影响因子：
6.3
通讯作者：
Gordon-Larsen P
中科院分区：
文献类型：
--
作者：
Boone-Heinonen J;Gordon-Larsen P
In the largely cross-sectional literature, built environment characteristics such as walkability and recreation centers are variably related to physical activity. Subgroup-specific effects could help explain inconsistent findings, yet few studies have compared built environment associations by key characteristics such as sex or life stage. Using data from the National Longitudinal Study of Adolescent Health (Wave I, 1994–95; Wave III, 2001–02; n=12,701) and a linked geographic information system, we estimated cross-sectional relationships between moderate to vigorous physical activity (MVPA) bouts and built and socioeconomic environment measures. Negative binomial generalized estimating equations modeled MVPA as a function of log-transformed environment measures, controlling for individual sociodemographics and testing for interactions with sex and life stage (Wave I and III, when respondents were adolescents and young adults, respectively). Higher landscape diversity [coeff (95% CI): 0.040 (0.019, 0.062)] and lower crime [coeff (95% CI): −0.047 (−0.071, −0.022)] were related to greater weekly MVPA regardless of sex or life stage. Higher street connectivity was marginally related to lower MVPA [coeff (95% CI): −0.176 (−0.357, 0.005)] in females but not males. Pay facilities and public facilities per 10,000 population and median household income were unrelated to MVPA. Similar relationships between higher MVPA and higher landscape diversity and lower crime rate across sex and life stage suggest that application of these environment features may benefit broad populations. Sex-specific associations for street connectivity may partially account for variation in findings across studies and have implications for targeting physical activity promotion strategies.
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