Table 2.

Comparison of demographic characteristics between depressed and non-depressed fathers

Characteristics mean ± SD or %	With probable depression n = 110	Non-depression n = 697	p
Age (years)	34.4 ± 6.2	33.2 ± 5.6	0.050a
University graduate or higher	55.5	54.5	0.918b
Part-time work or unemployed	5.5	5.7	1.000b
Current illness other than mental disorders	5.5	4.7	0.810b
Stressful life events in the previous 1 year	24.5	20.9	0.384b
Pregnancy before marriage	13.6	11.2	0.426b
First child	57.3	53.4	0.472b
Single birth	98.2	99.6	0.140b
Gestational week at deliveryc	39.0 ± 1.5	38.8 ± 1.7	0.251a
Children has a health problemd	3.7	3.9	1.000b

^aunpaired t-tests, ^bFisher’s exact test, ^c n = 781, ^d n = 800

Data of general population in Japan

Mean age at the first marriage: 30.8 years [39], Non-regular worker rate: 36.6 % [40],

Overall unemployment rate: 4.3 % [40], University enrollment rate: 56.7 % [41], Primipara rate: 46.7 % [42]