Risk estimates for proxies of health impairment by grade in physical education (PE).
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Significant point estimates in bold.95% CI = 95% confidence interval.IRR = Incidence rate ratio.RR = Relative risk.a = Compared to an average grade.b = Adjusted for education and occupation.c = i.e. visits to physicians in primary health care.
创建时间：
2015-12-02
