Table 4.
Odds ratios for lifetime total physical activity by intensity of activity (n = 1,574), Alberta, Canada, 2002–2006
| Hours/week/year performed at activity intensity level | Cases (n = 542) | Controls (n = 1,032) | Age adjusted | Multivariable adjusteda | ||
|---|---|---|---|---|---|---|
| ORb | 95% CIb | OR | 95% CI | |||
| Light intensity activity (<3 METs) | ||||||
| 0–≤11.1 | 158 | 258 | 1.00 | – | 1.00 | – |
| >11.1–≤16.0 | 145 | 258 | 0.89 | 0.67, 1.19 | 0.97 | 0.71, 1.32 |
| >16.0–≤21.6 | 145 | 258 | 0.87 | 0.66, 1.17 | 0.98 | 0.71, 1.35 |
| >21.6 | 94 | 258 | 0.56 | 0.40, 0.76 | 0.68 | 0.48, 0.97 |
| P trend | 0.001 | 0.06 | ||||
| Moderate intensity activity (3–6 METs) | ||||||
| 0–≤9.6 | 143 | 258 | 1.00 | – | 1.00 | – |
| >9.6–≤15.3 | 130 | 258 | 0.90 | 0.67, 1.20 | 0.89 | 0.65, 1.23 |
| >15.3–≤21.8 | 123 | 258 | 0.84 | 0.62, 1.14 | 0.88 | 0.64, 1.23 |
| >21.8 | 146 | 258 | 0.99 | 0.74, 1.33 | 1.02 | 0.74, 1.43 |
| P trend | 0.89 | 0.89 | ||||
| Vigorous intensity activity (>6 METs) | ||||||
| 0–≤0.06 | 154 | 258 | 1.00 | – | 1.00 | – |
| >0.06–≤0.28 | 137 | 258 | 0.90 | 0.67, 1.19 | 0.92 | 0.68, 1.26 |
| >0.28–≤0.75 | 121 | 258 | 0.80 | 0.59, 1.08 | 0.85 | 0.62, 1.17 |
| >0.75 | 130 | 258 | 0.87 | 0.64, 1.16 | 0.93 | 0.67, 1.28 |
| P trend | 0.25 | 0.55 | ||||
aAdjusted for age, body mass index, waist circumference, age at menarche, hypertension, and number of pregnancies of ≥20 weeks gestation. Models for each level of intensity of activity were adjusted for the other levels of intensity of activity
b OR odds ratio, CI confidence interval