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Table 1 Characteristics of study participants

From: A childhood immunization education program for parents delivered during late pregnancy and one-month postpartum: a randomized controlled trial

Characteristic

Intervention (n = 87)

Control (n = 84)

Age, mean (standard deviation)

 Mother

32.8 (3.9)

33.0 (4.9)

 Father

34.8 (4.9)

35.1 (5.8)

Delivery history, n (%)

 Primipara

46 (53%)

46 (55%)

 Multipara

41 (47%)

38 (45%)

Marital status, n (%)

 Married

86 (99%)

83 (99%)

 Unmarried couple

1 (1%)

1 (1%)

Mother’s highest education level completed, n (%)

 Middle/high school

9 (11%)

12 (14%)

 Vocational school

21 (24%)

20 (24%)

 Junior college

20 (23%)

20 (24%)

 University

35 (40%)

30 (36%)

 Graduate

2 (2%)

2 (2%)

Number of children, n (%)

 0

46 (53%)

46 (55%)

 1

32 (37%)

30 (36%)

 ≥ 2

9 (10%)

8 (10%)

Job status, n (%)

 Mother

  Unemployed

38 (44%)

39 (46%)

  Full-time job

35 (40%)

36 (43%)

  Part-time job

14 (16%)

8 (10%)

 Father

  Full-time job

84 (97%)

81 (96%)

  Self-employed

3 (3%)

3 (4%)

  Returned to work after maternity leave, n (%)

46 (53%)

46 (55%)

Annual income (thousand yen), n (%)

 < 2000

0

2 (2%)

 2000–3999

10 (12%)

9 (11%)

 4000–5999

35 (42%)

31 (37%)

 6000–7999

17 (20%)

24 (29%)

 8000–9999

16 (19%)

11 (13%)

 ≥ 10,000

6 (7%)

7 (8%)