Table 3 Prevalence estimates in meta-analyses for each depression classification method category (N meta-analyses = 69, N extracted prevalence values = 81)
N included primary studies | N pooled participants | Pooled prevalence (%) | ||
|---|---|---|---|---|
Diagnostic interviews only (N = 8) | Median (range) | 5 (2 to 49) | 3093 (299 to 11,286) | 15 (7 to 31) |
Mean (SD) | 13 (17) | 4043 (3902) | 17 (9) | |
Screening or rating tools only (N = 36) | Median (range) | 17 (2 to 81) | 7236 (659 to 442,482) | 30 (9 to 62) |
Mean (SD) | 21 (17) | 27,487 (74,504) | 31 (13) | |
Combination of classification methods (N = 37) | Median (range) | 21 (3 to 183) | 19,468 (197 to 495,229) | 23 (1 to 48) |
Mean (SD) | 33 (41) | 47,361 (89,237) | 22 (12) |