BMI < 20 | 20 ≤ BMI < 25 | 25 ≤ BMI < 30 | BMI ≥ 30 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Leisure-time physical activity/exercise | cases/controls | OR | 95% CI | cases/controls | OR | 95% CI | cases/controls | OR | 95% CI | cases/controls | OR | 95% CI |
All | ||||||||||||
Very little, occasional walks¶ | 29/42 | 1.06 | 0.63–1.78 | 236/394 | 1* | 329/423 | 1.33 | 1.06–1.67 | 163/178 | 1.65 | 1.25–2.17 | |
Now and then, once per week | 12/24 | 1.01 | 0.48–2.09 | 121/343 | 0.65 | 0.50–0.85 | 194/330 | 1.06 | 0.83–1.36 | 60/73 | 1.55 | 1.05–2.30 |
Twice per week or more | 4/13 | 0.55 | 0.17–1.74 | 65/263 | 0.48 | 0.35–0.67 | 95/181 | 0.97 | 0.72–1.32 | 32/27 | 2.27 | 1.30–3.95 |
Men | ||||||||||||
Very little, occasional walks† | 14/24 | 0.78 | 0.39–1.59 | 161/238 | 1 | 244/303 | 1.25 | 0.96–1.64 | 90/98 | 1.42 | 0.99–2.04 | |
Now and then, once per week | 7/10 | 1.26 | 0.46–3.44 | 83/206 | 0.65 | 0.46–0.91 | 149/232 | 1.06 | 0.78–1.42 | 38/43 | 1.45 | 0.88–2.38 |
Twice per week or more | 1/8 | 0.23 | 0.03–1.88 | 48/203 | 0.43 | 0.29–0.63 | 82/138 | 1.01 | 0.71–1.43 | 23/20 | 2.08 | 1.08–4.00 |
Women | ||||||||||||
Very little, occasional walks† | 15/18 | 1.47 | 0.67–3.19 | 75/156 | 1 | 85/120 | 1.49 | 0.99–2.26 | 73/80 | 2.01 | 1.29–3.14 | |
Now and then, once per week | 5/14 | 0.83 | 0.28–2.52 | 38/137 | 0.63 | 0.39–1.02 | 45/98 | 1.02 | 0.63–1.63 | 22/30 | 1.78 | 0.93–3.39 |
Twice per week or more | 3/5 | 0.94 | 0.21–4.21 | 17/60 | 0.64 | 0.34–1.21 | 13/43 | 0.69 | 0.34–1.41 | 9/7 | 2.76 | 0.93–8.14 |