Table 2.
Results of subgroup analyses about sedentary behavior and the risk of dementia.
| Subgroup | Number of studies | RR | 95% confidence intervals | P for heterogeneity | I2 (%) | P Value for interaction |
|---|---|---|---|---|---|---|
| State | ||||||
| Asia | 2 | 0.76 | 0.52–1.11 | 0.825 | 0.00 | >0.05 |
| America | 4 | 1.51 | 1.30–1.77 | 0.733 | 0.00 | |
| Europe | 11 | 1.37 | 1.14–1.65 | 0.066 | 42.5 | |
| Australia | 1 | 0.98 | 0.89–1.09 | – | – | |
| Controlling for age | ||||||
| Yes | 5 | 1.30 | 0.82–2.06 | 0.011 | 69.3 | >0.05 |
| No | 13 | 1.29 | 1.10–1.51 | 0.000 | 67.2 | |
| Controlling for sex | ||||||
| Yes | 9 | 1.29 | 1.08–1.54 | 0.000 | 72.3 | >0.05 |
| No | 9 | 1.30 | 0.98–1.74 | 0.011 | 59.8 | |
| Controlling for education | ||||||
| Yes | 12 | 1.26 | 1.08–1.47 | 0.001 | 64.8 | >0.05 |
| No | 6 | 1.42 | 0.95–2.13 | 0.006 | 69.5 |