Table 4.
Pooled prevalence of insomnia and subgroup analysis.
| Outcome | No of Studies | No of Participants | Prevalence [95% CI] | I2 (%) | p-Value | |
|---|---|---|---|---|---|---|
| Overall insomnia | 12 | 14,877 | 37.89 [25.43, 50.35] |
100 | p < 0.001 | |
| Subgroup | ||||||
| Regions | Eastern Asia | 6 | 10,909 | 41.23 [19.75, 62.70] |
100 | p < 0.001 |
| South-Eastern Asia | 0 | NA | ||||
| Southern Asia | 3 | 1783 | 31.30 [17.82, 44.78] |
89 | 0.0001 | |
| Western Asia | 3 | 2185 | 37.80 [13.20, 62.40] |
98 | p < 0.001 | |
| Type of healthcare provider | Frontline | 3 | 2090 | 49.27 [45.42, 53.12] |
64 | 0.060 |
| Non-frontline | 3 | 1904 | 35.10 [25.39, 44.81] |
94 | p < 0.001 | |
| Sex | Female | 3 | 1402 | 51.61 [26.75, 76.47] |
99 | p < 0.001 |
| Male | 3 | 735 | 44.16 [8.05, 80.26] |
99 | p < 0.001 | |
| Occupation | Doctors | 1 | 161 | 29.19 [22.17, 36.22] |
NA | |
| Nurses | 1 | 167 | 41.92 [34.43, 49.40] |
NA | ||