Variables | Model 1 | Model 2 | Model 3 | |||
---|---|---|---|---|---|---|
OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | |
Ca intake | Â | Â | Â | Â | Â | Â |
 Reach recommendation level | Ref |  | Ref |  | Ref |  |
 Not reach recommendation level | 1.44 (1.20–1.72) | < 0.001 | 1.28 (1.10–1.49) | 0.002 | 1.43 (1.22–1.67) | < 0.001 |
Physical activity | Â | Â | Â | Â | Â | Â |
 = 7 | Ref |  | Ref |  | Ref |  |
 < 7 | 1.58 (1.30–1.92) | < 0.001 | 1.26 (1.07–1.48) | 0.007 | 1.27 (1.07–1.50) | 0.007 |
Combined effect | Â | Â | Â | Â | Â | Â |
 Ca reach recommendation level & physical activity = 7 | Ref |  | Ref |  | Ref |  |
 Ca reach recommendation level & physical activity < 7 | 1.46 (1.07–1.99) | 0.018 | 1.26 (0.94–1.68) | 0.123 | 1.22 (0.91–1.62) | 0.173 |
 Ca not reach recommendation level & physical activity = 7 | 1.32 (1.01–1.72) | 0.046 | 1.28 (0.99–1.66) | 0.062 | 1.38 (1.08–1.76) | 0.012 |
 Ca not reach recommendation level & physical activity < 7 | 2.07 (1.54–2.80) | < 0.001 | 1.59 (1.23–2.06) | < 0.001 | 1.77 (1.38–2.27) | < 0.001 |
 P for trend | < 0.001 | < 0.001 | < 0.001 |