Table 3

Subgroup and sensitivity analysis of prevalence of depressive problems among homeless participants by age and quality of the studies

Subgroup	Number of studies	Estimates		Heterogeneity across the studies		Heterogeneity between groups (p value)
Subgroup	Number of studies	Prevalence (%)	95% CI	I² (%)	P value
Age (depressive symptom)
Adult	13	44.76	32.95 to 57.20	98.04	<0001	0.261
Older	3	47.44	37.22 to 57.88	88.14	<0001
Younger	2	58.21	46.13 to 69.38	88.6	<0001
Age (depressive disorders)
Adult	16	25.38	19.44 to 32.40	97.72	<0001	0.839
Older	2	29.89	14.84 to 51.05	95.28	<0001	0.839
Younger	3	22.98	11.96 to 39.58	95.79	<0001
Quality of the study (depressive symptoms)
High	11	40.45	29.68 to 52.23	93.3	<0.0001	0.059
Fair	7	57.03	44.39 to 68.81	98.17	<0.0001	0.059
Quality of the study (depressive disorders)
High	14	21.75	16.67 to 27.86	81.24	<0.0001	0.002
Fair	7	35.45	29.31 to 42.11	97.43	<0.0001	0.002
Sample size (depressive symptoms)
300 and above	14	37.3	27.05 to 48.82	98.09	<0.0001	0.008
300 and above	14	59.18	47.74 to 69.69	93.41	<0.0001
Sample size (depressive disorders)
300 and above	14	23.91	17.99 to 31.04	98.23	<0.0001	0.397
Below 300	8	27.81	22.12 to 34.32	79.69	<0.0001	0.397