Table 3

Mortality rate (per 10 000 person-years) and rate ratios by group

Active groupControl groupRate ratio (95% CI)p Value
Person-years*14 65814 247
Overall mortality rate105.1
(n=154)
127.0
(n=181)
0.83 (0.67 to 1.03)0.08
Lung cancer mortality rate29.3
(n=43)
42.1
(n=60)
0.70 (0.47 to 1.03)0.07
Overall mortality rate except lung cancer75.7
(n=111)
84.9
(n=121)
0.89 (0.69 to 1.15)0.38
 Cardiovascular disease15.0
(n=22)
29.5
(n=42)
0.51 (0.30 to 0.85)0.009
 Other causes60.7
(n=89)
55.5
(n=79)
1.10 (0.81 to 1.48)0.56
  • *Follow-up at 31 December 2014.