Table 3

Stratified Cox regression (by age, sex, education and smoking) describing associations between vigorous activity and cardiovascular (CVD) mortality

Proportion of moderate to vigorous activity classified as vigorous
Variable	Total No. of Participants/Events	0%		>0% to <30%		≥30%
Variable	Total No. of Participants/Events	N/Events	Reference	N/Events	HR (95% CI)	N/Events	HR (95% CI)
All sample	57 702/1393	39 913/1252	1	4316/35	0.83 (0.57 to 1.18) p=0.31	13 473/106	0.84 (0.68 to 1.04) p=0.11
All sample (excluding first 24 months of death)	57 119/1270	39408/1142	1	4296/32	0.83 (0.57 to 1.20) p=0.32	13 415/96	0.84 (0.67 to 1.05) p=0.126
Sex
Men	25 381/766	16 528/676	1	2023/27	0.94 (0.63 to 1.41) p=0.76	6830/63	0.78 (0.60 to 1.03) p=0.08
Women	32 321/627	23 385/576	1	2293/8	0.61 (0.30 to 1.25) p=0.18	6643/43	0.94 (0.68 to 1.31) p=0.72
Age group, y
30–49	30 760/124	18 126/92	1	047/10	0.71 (0.36 to 1.39) p=0.31	9587/22	0.59 (0.36 to 0.97) p=0.04
50–64	17 209/311	13 141/263	1	1037/9	0.63 (0.32 to 1.23) p=0.17	3031/39	0.96 (0.68 to 1.36) p=0.84
≥65	9733/958	8646/897	1	232/16	0.79 (0.48 to 1.30) p=0.35	855/45	0.65 (0.48 to 0.88) p=0.005
Weighted MVPA, min/week
10–149	24 500/850	20 999/795	1	439/4	0.82 (0.29 to 2.27) p=0.70	3062/51	1.05 (0.77 to 1.43) p=0.75
>150	33 202/543	18 914/457	1	3877/31	0.84 (0.57 to 1.25) p=0.39	10 411/55	0.71 (0.53 to 0.97) p=0.03

For all sample values were adjusted for alcohol consumption, total weighted volume of moderate-to-vigorous physical activity (MVPA), longstanding illness and CVD diagnosis at baseline.
N, total population; No, number.