The Connections of Pregnancy-, Delivery-, and Infant-Related Risk Factors and Negative Life Events on Postpartum Depression and Their Role in First and Recurrent Depression

Table 2

Number of risk factors in the nondepressed and depressed group.

Number of risk factors^1	⁢Nondepressed group		⁢Depressed group
	⁢		⁢
		%		%
0	22	21.2	4	3.8
1	37	35.6	15	14.4
2	28	26.9	23	22.1
3	7	6.7	26	25.0
4	8	7.7	25	24.0
5	2	1.9	7	6.7
6	0	0	3	2.9
7	0	0	1	1.0
	Mean^2 = 1.50	SD = 1.23	Mean^2 = 2.87	SD = 1.44

pregnancy, depression and/or other mental symptoms during pregnancy, complicated pregnancy, complicated delivery, infant’s symptoms and illnesses, breastfeeding cessation, and negative life events during the previous 12 months. ²Mann–Whitney test: . SD = standard deviation.