Table 2. Adjusted prevalence ratio between postpartum depression and perinatal death stratified by wealth index.

	Lowest 40% N = 802	Middle 40% N = 628	Top 20% N = 359
	Adjusted Prevalence Ratio (PR) [95% CI]	Adjusted Prevalence Ratio (PR) [95% CI]	Adjusted Prevalence Ratio (PR) [95% CI]
Perinatal death
No	1	1	1
Yes	3.21 [2.16, 4.77]	3.88 [2.79, 5.39]	3.28 [1.98, 5.45]
Maternal age
≤19 years	1	1	1
20–34	1.50 [1.04, 2.18]	1.13 [0.62, 2.07]	1.25, [0.40, 3.85]
≥35 years	1.27 [0.58, 2.78]	0.97 [0.45, 2.10]	1.76 [0.44, 3.85]
Education level
None	1	1	1
Primary	0.86 [0.64, 1.16]	0.89 [0.65, 1.22]	2.28 [0.88, 5.88]
Secondary or higher	0.98 [0.56, 1.73]	0.89 [0.44, 1.79]	2.55 [0.93, 6.97]
Parity
Less than 1	1	1	1
Between 1–4	0.99 [0.71, 1.37]	1.57 [0.89, 2.77]	2.68 [1.22, 5.89]
5 and above	1.14 [0.61, 2.13]	1.48 [0.82, 2.69]	2.19 [0.72, 6.69]
Marital status
Single	1	1	1
Married	0.72 [0.48, 1.08]	0.74 [0.45, 1.24]	0.84 [0.33, 2.08]
Place of birth
Home	1	1	1
Health facility	0.99 [0.77, 1.27]	1.12 [0.79, 1.58]	0.96 [0.65, 1.42]
Effect of the trial
Control arm	1	1	1
Intervention arm	1.10 [0.79, 1.54]	1.11 [0.77, 1.58]	1.04 [0.71, 1.52]