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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]