Table 2 The results of sub-group analyses
From: Prevalence of unwanted pregnancy in Iranian women: a systematic review and meta-analysis
Variables | No. studies | Prevalence% (95% CI) | I2 (%) | P value | No. participants | |
|---|---|---|---|---|---|---|
Years | 2001–2006 | 11 | 27.5 (22.5–33.1) | 96.8 | 0.000 | 9548 |
2007–2012 | 5 | 34.3 (21.9–49.3) | 97.3 | 0.000 | 2246 | |
2013–2017 | 7 | 24.3 (17.8–32.3) | 95.1 | 0.000 | 3282 | |
Sample size | ≤500 | 14 | 29.3 (23–36.7) | 95.6 | 0.000 | 4285 |
500–1000 | 3 | 29.8 (18–45) | 98 | 0.000 | 2338 | |
1000< | 6 | 24 (18.7–30.3) | 97.4 | 0.000 | 8453 | |