Table 1.

Sensitivity analysis for depression studies.

Depression	Studies, N	Pooled,%	95% CI	I2	p
Measure†:
PHQ9	13	16.1	10.4–22.8	99.316	0.062
HADS-D	7	27.5	17.6–38.6	98.174
Severity:					0.330
Mild	10	23.5	15.0–33.2	99.487
Moderate	16	18.5	14.6–22.9	96.395
Timeframe:
First 3 months	7	18.9	10.9–28.3	97.994	0.681
April onwards	19	21.1	15.7–27.0	99.117
Risk of bias:
Low	4	18.5	12.3–25.7	96.856	0.600
Medium	22	20.9	15.6–26.7	98.849

† Measures with fewer than four studies omitted *p = < 0.05.