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Table 2 Comparison of demographic characteristics between depressed and non-depressed fathers

From: Paternal postnatal depression in Japan: an investigation of correlated factors including relationship with a partner

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
  1. aunpaired t-tests, bFisher’s exact test, cn = 781, dn = 800
  2. Data of general population in Japan
  3. Mean age at the first marriage: 30.8 years [39], Non-regular worker rate: 36.6 % [40],
  4. Overall unemployment rate: 4.3 % [40], University enrollment rate: 56.7 % [41], Primipara rate: 46.7 % [42]