Table 1

 Unadjusted relative risk of ⩾5 diarrhoeal episodes per year with postnatal depression in mothers and other risk factors during infancy

Risk or protective factorn (%)Relative risk (95% CI)p Value
<5 (n = 153)⩾5 (n = 112)
BMI, body mass index; WAZ, weight-for-age z score.
Postnatal depression53 (35)77 (68)2.3 (1.6 to 3.1)<0.01
Mother’s age ⩾30 years48 (31)37 (33)1.1 (0.7 to 1.4)0.7
Mother’s BMI <18.5 kg/m223 (15)25 (22)1.3 (0.9 to 1.7)0.1
Not breast feeding at 6 months15 (9)19 (17)1.4 (0.9 to 1.9)0.09
Mother had no formal schooling59 (38)56 (30)1.3 (0.9 to 1.7)0.07
Father had no formal schooling20 (13)25 (22)1.4 (1.03 to 1.9)0.06
Empowerment (mother has some control over finances)78 (51)47 (42)0.8 (0.6 to 1.0)0.1
Family in debt60 (39)58 (52)1.3 (1.01 to 1.7)<0.05
Living in a nuclear family39 (25)43 (38)0.7 (0.5 to 0.9)<0.05
⩾4 siblings59 (38)54 (48)1.2 (0.9 to 1.6)0.1
Female sex of the infant76 (49)56 (50)1.0 (0.7 to 1.3)1.0
Low birth weight (⩽2500 g)30 (19)36 (32)1.4 (1.1 to 1.9)<0.05
WAZ <–2SD at 6 months15 (10)33 (29)1.8 (1.4 to 2.4)<0.01