Study - result | Reported exposure category | Conversion to MET. hours per week | Additional MET. hours per week | Reported risk | 95% confidence interval | Point estimate at 11.25 MET. hours per week (extracted 95% CI) |
---|---|---|---|---|---|---|
Walking | ||||||
Johnsen (2013) [16] - Men | Non-active | 0 | 0 | 1 | - | - |
Active = 3 hours/week | 12 | 12 | 1.01 | 0.91 to 1.13 | 1.01 (0.91 to 1.12) | |
Johnsen (2013) [16] - Women | Non-active | 0 | 0 | 1 | - | - |
Active = 3 hours/week | 12 | 12 | 0.92 | 0.80 to 1.06 | 0.93 (0.80 to 1.07) | |
Wang (2013) [26] | None | 0 | 0 | 1 | - | - |
5-6 hours/week @ 3.3 METs | 18.15 | 18.15 | 0.84 | 0.73 to 0.96 | 0.90 (0.79 to 1.03) | |
Sabia (2012) [17] | <3.5 hours/week | 0 | 0 | 1 | - | - |
3.5-5.9 hours/week | 12 | 12 | 0.83 | 0.63 to 1.08 | - | |
6+ hours/week | 22 | 22 | 0.81 | 0.61 to 1.07 | 0.89 (0.73 to 1.08) | |
Nagai (2011) [28] - Men | <1 hour/day | 14 | 0 | 1 | - | - |
>1 hour/day | 42 | 28 | 0.9 | 0.82 to 0.98 | 0.96 (0.88 to 1.05) | |
Nagai (2011) [28] - Women | <1 hour/day | 14 | 0 | 1 | - | - |
>1 hour/day | 42 | 28 | 0.95 | 0.82 to 1.10 | 0.98 (0.85 to 1.14) | |
Stamatakis (2009) [18] - Men | None | 0 | 0 | 1 | - | - |
Med (2 sessions/week) | 4 | 4 | 1.1 | 0.86 to 1.14 | - | |
High (7 sessions/week) | 14 | 14 | 0.91 | 0.73 to 1.13 | 0.95 (0.84 to 1.08) | |
Stamatakis (2009) [18] - Women | None | 0 | 0 | 1 | - | - |
Med (2 sessions/week) | 4 | 4 | 0.89 | 0.69 to 1.14 | - | |
High (7 sessions/week) | 14 | 14 | 0.92 | 0.72 to 1.18 | 0.92 (0.77 to 1.09) | |
Besson (2008) [32] | Non walker | 0 | 0 | 1 | - | - |
Walk 0-90 min/week | 3 | 3 | 0.96 | 0.80 to 1.15 | - | |
Walk 90 min+/week | 9 | 9 | 0.89 | 0.73 to 1.09 | 0.86 (0.78 to 0.95) | |
Matthews (2007) [27] | 0-3.4 MET.hours/day | 11.9 | 0 | 1 | - | - |
3.5-7 MET.hours/day | 36.75 | 24.85 | 0.94 | 0.89 to 1.09 | - | |
7.1-10 MET.hours/day | 59.5 | 47.6 | 0.83 | 0.69 to 1.00 | - | |
10+ MET.hours/day | 81.2 | 69.3 | 0.86 | 0.71 to 1.05 | 0.97 (0.88 to 1.08) | |
Schnohr (2007) [19] - Men | <0.5 hours/day | 7 | 0 | 1 | - | - |
0.5-1.0 hours/day | 21 | 14 | 0.87 | 0.68 to 1.10 | - | |
1.0-2.0 hours/day | 42 | 35 | 0.95 | 0.75 to 1.21 | - | |
2.0+ hours/day | 70 | 63 | 0.89 | 0.69 to 1.14 | 0.98 (0.85 to 1.13) | |
Schnohr (2007) [19] - Women | <0.5 hours/day | 7 | 0 | 1 | - | - |
0.5-1.0 hours/day | 21 | 14 | 1.00 | 0.77 to 1.30 | - | |
1.0-2.0 hours/day | 42 | 35 | 1.04 | 0.80 to 1.36 | - | |
2.0+ hours/day | 70 | 63 | 0.8 | 0.59 to 1.10 | 0.98 (0.83 to 1.15) | |
Smith (2007) [22] | None | 0 | 0 | 1 | - | - |
<1 mile/day | 4.3 | 4.3 | 0.98 | 0.76 to 1.25 | - | |
>1 mile/day | 12.9 | 12.9 | 0.89 | 0.67 to 1.18 | 0.91 (0.75 to 1.10) | |
Lee (2000) [23] | <5 km/week | 1.9 | 0 | 1 | - | - |
5 to 10 km/week | 5.8 | 3.9 | 0.91 | 0.82 to 1.02 | - | |
10 to 20 km/week | 11.5 | 9.6 | 0.92 | 0.83 to 1.01 | - | |
>20 km/week | 19.2 | 17.3 | 0.84 | 0.75 to 0.94 | 0.89 (0.84 to 0.95) | |
Bath (1998) [20] | Less than 10 minutes/day | 2.3 | 0 | 1 | - | - |
More than 10 minutes/day | 7 | 4.7 | 0.75 | 0.63 to 0.82 | 0.40 (0.34 to 0.48) | |
Hakim (1998) [24] | Less than 0.5 hour | 4.7 | 0 | 1 | - | - |
0.5-1.0 hour | 14 | 9.3 | 0.66 | 0.47 to 0.91 | - | |
More than 1 hour | 46.7 | 42 | 0.55 | 0.37 to 0.83 | 0.87 (0.67 to 1.12) | |
Wannamethee (1998) [21] | 0 min/day | 0 | 0 | 1 | - | - |
0-20 min/day | 4.7 | 4.7 | 1.15 | 0.73 to 1.79 | - | |
21-40 min/day | 14 | 14 | 1.06 | 0.75 to 1.50 | - | |
41-60 min/day | 23.3 | 23.3 | 0.97 | 0.65 to 1.46 | - | |
60+ min/day | 32.7 | 32.7 | 0.62 | 0.37 to 1.05 | 0.93 (0.75 to 1.15) | |
La Croix (1996) [25] | Less than 1 hour/week | 2 | 0 | 1 | - | - |
1-4 hours/wee | 10 | 8 | 0.83 | 0.53 to 1.29 | - | |
More than 4 hours/week | 22 | 20 | 0.91 | 0.58 to 1.42 | 0.92 (0.67 to 1.27) | |
Cycling | Â | Â | Â | Â | Â | Â |
Johnsen (2013) [16] - Men | Non-active | 0 | 0 | 1 | - | - |
Active = 2 hours/week | 13.6 | 13.6 | 0.79 | 0.73 to 0.85 | 0.93 (0.87 to 0.99) | |
Johnsen (2013) [16] - Women | Non-active | 0 | 0 | 1 | - | - |
Active = 2 hours/week | 13.6 | 13.6 | 0.91 | 0.85 to 0.97 | 0.83 (0.77 to 0.89) | |
Sahlqvist (2013) [29] | 0 min/week | 0 | 0 | 1 | - | - |
1-59 min/week | 3.4 | 3.4 | 0.96 | 0.78 to 1.17 | - | |
60+ min/week | 10.2 | 10.2 | 0.91 | 0.84 to 0.99 | 0.90 (0.87 to 0.94) | |
Andersen (2011) [30] | 0 | 0 | 0 | 1 | - | - |
0-3 hours/week | 10.2 | 10.2 | 0.78 | 0.69 to 0.88 | - | |
3-7 hours/week | 24 | 34 | 0.76 | 0.68 to 0.85 | - | |
7+ hours/week | 61.2 | 61.2 | 0.7 | 0.62 to 0.78 | 0.94 (0.88 to 1.00) | |
Schnohr (2010) [31] | 15 min slow | 7 | 0 | 1 | - | - |
15 min ave | 11.9 | 4.9 | 0.67 | 0.49 to 0.92 | - | |
15 min fast | 17.5 | 10.5 | 0.54 | 0.31 to 0.94 | - | |
45 min slow | 21 | 14 | 0.87 | 0.57 to 1.33 | - | |
45 min ave | 35.7 | 28.7 | 0.7 | 0.51 to 0.95 | - | |
45 min fast | 52.5 | 45.5 | 0.44 | 0.28 to 0.69 | - | |
75 min slow | 35 | 28 | 0.85 | 0.53 to 1.35 | - | |
75 min ave | 59.5 | 52.5 | 0.71 | 0.52 to 0.57 | - | |
75 min fast | 87.5 | 80.5 | 0.68 | 0.46 to 1.01 | 0.93 (0.80 to 1.07) | |
Besson (2008) [32] | Non cyclist | 0 | 0 | 1 | - | - |
0-30 min/week | 1.7 | 1.7 | 1.02 | 0.77 to 1.35 | - | |
30 + min/week | 5.7 | 5.7 | 1.01 | 0.76 to 1.36 | 1.03 (0.84 to 1.26) | |
Matthews (2007) [27] | 0 MET.hours/day | 0 | 0 | 1 | - | - |
0.1-3.4 MET.hours/day | 12.3 | 12.3 | 0.79 | 0.61 to 1.01 | - | |
3.5+ MET.hours/day | 36.1 | 36.1 | 0.66 | 0.40 to 1.07 | 0.88 (0.68 to 1.15) | |
Andersen (2000) [33] | No biking to work | 0 | 0 | 1 | - | - |
Bike to work 3 hours/week | 20.4 | 20.4 | 0.72 | 0.57 to 0.91 | 0.85 (0.67 to 1.07) |