| 2 | Physical activity and chronic back conditions:A population-based pooled study of 60,134 adults显示文摘Background:Little is known about the association between different types of physical activity(PA)and chronic back conditions(CBCs)at the population level.We investigated the association between levels of total and type-specific PA participation and CBCs.Methods'.The sample comprised 60,134 adults aged>16 years who participated in the Health Survey for England and Scottish Health Survey from 1994 to 2008.Multiple logistic regression models,adjusted for potential confbunders,were used to examine the association between total and type-specific PA volume(walking,domestic activity,sport/exercise,cycling,football/rugby,running/jogging,manual work,and housework)and the prevalence of CBCs.Results'.We found an inverse association between total PA volume and prevalence of CBCs.Compared with inactive participants,the fully adjusted odds ratio(OR)for very active participants(≥15 metabolic equivalent h/week)was 0.77(95%confidence interval(CI):0.69—0.85).Participants reporting≥300 min/week of moderate-intensity activity and≥75 min/week of vigorous-intensity activity had 24%(95%CI:6%—39%)and 21%(95%C1:11%—30%)lower odds of CBCs,respectively.Higher odds of CBCs were observed for participation in high-level manual domestic activity(OR=1.22;95%CI:1.00-1.48).Sport/exercise was associated with CBCs in a less consistent manner(e.g.,OR=1.18(95%CI:1.06—1.32)for low levels and OR=0.82(95%CI:0.72—0.93)for high levels of sport/exercise).Conclusion'.PA volume is inversely associated with the prevalence of CBCs. | Hosam Alzahrani Debra Shirley Sonia W.M.Cheng Martin Mackey Emmanuel Stamatakis | 2019 | Journal of Sport and Health Science2019，8，4： | 0 |
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