Table 3 Stratified analysis results
Study characteristics | Physical activity | Sedentary factor | |||||||
|---|---|---|---|---|---|---|---|---|---|
n Studies | n Subjects | OR [95% CI] | I 2 (%) | n Studies | n Subjects | OR [95% CI] | I 2 (%) | ||
All studies | 17 | 7,343 | 0.71 [0.63, 0.80]a | 29 | 8 | 4,279 | 1.37 [1.14, 1.64]a | 66 | |
Study quality | Good/moderate quality (1–3) | 9 | 4,095 | 0.75 [0.64, 0.88]a | 33 | 4 | 1,960 | 1.14 [1.10, 1.82]a | 36 |
Poor quality (4) | 8 | 3,248 | 0.67 [0.56, 0.79]a | 27 | 4 | 2,319 | 1.32 [1.03, 1.70]a | 81 | |
Good/moderate quality | Falls | ||||||||
Minimum 1 fall | 7 | 2,557 | 0.94 [0.76, 1.17] | 0 | 4 | 1,960 | 1.14 [1.10, 1.82]a | 36 | |
Minimum 1 traumatic fall | 2 | 1,538 | 0.59 [0.47, 0.74]a | 0 | 0 | 0 | na | na | |
Follow-up | |||||||||
<12 months | 1 | 1,151 | 0.61 [0.47, 0.78]a | na | 1 | 90 | 3.38 [1.29, 8.88]a | na | |
12 months and more | 7 | 2,557 | 0.94 [0.76, 1.17] | 0 | 3 | 1,870 | 1.32 [1.01, 1.72]a | 0 | |
u.k. | 1 | 387 | 0.53 [0.32, 0.87]a | na | |||||
Population | |||||||||
Institution | 0 | 0 | na | na | 0 | 0 | na | na | |
Ambulatory | 9 | 4,095 | 0.75 [0.64, 0.88]a | 33 | 4 | 1,960 | 1.14 [1.10, 1.82]a | 36 | |
Mean age | |||||||||
60–80 years | 4 | 1,808 | 1.05 [0.80, 1.38] | 0 | 3 | 1,306 | 1.50 [1.12, 2.01]a | 52 | |
>80 years | 4 | 1,136 | 0.68 [0.51, 0.91]a | 0 | 0 | 0 | na | na | |
u.k. | 1 | 1,151 | 0.61 [0.47, 0.78]a | na | 1 | 654 | 1.19 [0.71, 1.98] | na | |