Table 2 The pooled and subgroup depression prevalence among Iranian couples
Variable | Number of records | Sample size | Prevalence (95% confidence interval) | T2 | I2 (%) |
|---|---|---|---|---|---|
Gender | Â | Â | Â | Â | Â |
 Females | 7 | 1696 | 48.7 (24.0–73.3) | 0.11 | 99.3 |
 Males | 2 | 534 | 9 (0–23.7) | 0.01 | 95.1 |
 Both gender | 3 | 3034 | 22 (2–42) | 0.03 | 99.6 |
Type of questionnaire | Â | Â | Â | Â | Â |
 BDI | 5 | 829 | 53.3 (32.8–73.8) | 0.05 | 97.7 |
 Patients Health Questionnaire-9 (PHQ-9) | 1 | 1506 | 30.5 (28.2–32.8) | - | - |
 HADS | 3 | 1732 | 39.8 (30.8–48.8) | 0.005 | 91.2 |
 Goldberg and Hiller Questioner (GHQ) | 3 | 1197 | 3 (1–4.5) | 0.001 | 52.6 |
Overall prevalence | 12 | 5264 | 35.3 (24.1–46.5) | 0.03 | 99.4 |