Table 2 Generalized estimating equation models for falls
Model 1: physical activity | Model 2: frailty | Model 3: physical activity, frailty and interaction term | Model 4: physical activity, frailty, age and sex | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OR | 95% CI | p value | OR | 95% CI | p value | OR | 95% CI | p value | OR | 95% CI | p value | |
Physical activity (minutes/day) | 1.00 | 0.99–1.00 | 0.26 | 1.00 | 1.00–1.00 | 0.65 | 1.00 | 1.00–1.01 | 0.39 | |||
Frailty | ||||||||||||
Non-frail Frail | Ref 1.71 | 1.33–2.20 | < 0.001 | Ref 2.21 | 1.33–3.68 | 0.002 | Ref 1.69 | 1.19–2.40 | 0.004 | |||
Physical activity * frailty | 1.00 | 1.00–1.00 | 0.27 | |||||||||
Age | 1.04 | 1.00–1.07 | 0.06 | |||||||||
Sex | ||||||||||||
Men Women | Ref 1.30 | 0.94–1.80 | 0.12 | |||||||||