. Author manuscript; available in PMC: 2014 Nov 23.

Published in final edited form as: Compr Physiol. 2012 Apr;2(2):1143–1211. doi: 10.1002/cphy.c110025

Table 2.

Tendency for dose-response between higher physical activity level and lower mortality in Swedish monozygotic twins [modified from (77)].

Sex	Physical activity level	All-cause mortality		Cardiovascular mortality
Sex	Physical activity level	Hazard ratio	95% confidence intervals	Hazard ratio	95% confidence intervals
Men	Low	1		1
	Moderate	0.84	0.72, 0.98	0.86	0.68, 1.08
	High	0.64	0.50, 0.83	0.55	0.36, 085
Women	Low	1		1
	Moderate	0.82	0.70, 0.96	0.85	0.64, 1.13
	High	0.75	0.50, 1.14	0.34	0.1,0.95

Questionnaire used with 7 items: low physical activity (“almost never” and “hardly ever”) level; moderate (“very little”, “not much”, and “quite much”); and high “”a lot”and “very much”)