. 2018 Jul 18;7(15):e009554. doi: 10.1161/JAHA.118.009554

Table 3.

Association Between Times Spent on PAs and MI

	Sport^a	Cycling^a	Walking^a	Gardening^a	All PAs^b	Outdoor PAs^c
	HR (95% CI)
Incident MI (n=2936) in 50 635 participants without a history of MI before baseline
	n=27 672	n=34 529	n=47 142	n=37 298	n=50 242	n=50 042
<0.5 h/wk	1.0	1.0	1.0	1.0	1.0	1.0
0.5 to 4 h/wk	0.86 (0.79–0.93)	0.93 (0.86–1.01)	0.95 (0.83–1.09)	0.87 (0.79–0.95)	0.77 (0.55–1.08)	0.81 (0.61–1.09)
>4 h/wk	0.82 (0.70–0.96)	0.86 (0.77–0.97)	0.96 (0.83–1.11)	0.89 (0.79–0.99)	0.72 (0.51–1.01)	0.76 (0.57–1.02)
Recurrent MI (n=324) in 1233 participants with a history of MI before baseline
	n=498	n=722	n=1120	n=848	n=1212	n=1205
<0.5 h/wk	1.0	1.0	1.0	1.0	1.0	1.0
0.5 to 4 h/wk	1.03 (0.80–1.32)	0.69 (0.53–0.89)	0.90 (0.62–1.30)	0.89 (0.68–1.17)	0.47 (0.24–0.89)	0.55 (0.30–1.00)
>4 h/wk	1.15 (0.69–1.89)	1.14 (0.83–1.57)	0.72 (0.49–1.06)	1.05 (0.76–1.44)	0.42 (0.23–0.78)	0.50 (0.28–0.88)

CI indicates confidence interval; HR, hazard ratio; MI, myocardial infarction; PAs, physical activities.

Adjusted for sex, smoking (status, intensity, years smoked), environmental tobacco smoke, occupational smoke, education, PAs at work, diet (fruit, vegetable, fat, and fish intake), alcohol consumption, marital status, and mutually for other 3 PAs.

Combined time spent on sport, cycling, walking, and gardening; adjusted for sex, smoking (status, intensity, years smoked), environmental tobacco smoke, occupational smoke, education, PAs at work, diet (fruit, vegetable, fat, and fish intake), alcohol consumption, and marital status.

Combined time spent cycling, walking, and gardening; adjusted for sex, smoking (status, intensity, years smoked), environmental tobacco smoke, occupational smoke, education, PAs at work, diet (fruit, vegetable, fat, and fish intake), alcohol consumption, and marital status.