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Table 1 Socio-demographic characteristics

From: Reliability and validity of the Japanese version of the Pediatric Quality of Life Inventory Infant Scales

 

N = 183

Infants aged 1–12 months (n = 50)

Infants aged 13–24 months (n = 95)

Infants aged 25–30 months (n = 38)

n or mean

% or SD

Range

n or mean

% or SD

Range

n or mean

% or SD

Range

Child

Gender

 Male

27

54.0

 

47

49.5

 

23

60.5

 

 Female

23

46.0

 

48

50.5

 

15

39.5

 

Place at where a child spends daytime

 Home

32

64.0

 

18

18.9

 

4

10.5

 

 Day care center

17

34.0

 

75

78.9

 

34

89.5

 

 Other

1

2.0

 

1

1.1

 

0

0.0

 

 Missing

0

0.0

 

1

1.1

 

0

0.0

 

Presence of diseasea

 Acute disease

25

50.0

 

50

52.6

 

27

71.1

 

 Chronic disease

4

8.0

 

14

14.7

 

6

15.8

 

 Other disease

4

8.0

 

13

13.7

 

3

8.9

 

Parents

         

Age (years)

35.7

5.3

23–52

35.8

5.4

22–55

35.3

4.3

26–45

Familial relations to children

 Mother

46

92.0

 

83

87.4

 

37

97.4

 

 Father

4

8.0

 

12

12.6

 

1

2.6

 

Subjective opinion of current economic status

 Very affluent

6

12.0

 

3

3.2

 

0

0.0

 

 Reasonably affluent

15

30.0

 

23

24.2

 

8

21.1

 

 Normal

24

48.0

 

58

61.1

 

29

76.3

 

 Not reasonably affluent

4

8.0

 

9

9.5

 

1

2.6

 

 Not very affluent

1

2.0

 

2

2.1

 

0

0.0

 

K6

3.0

3.7

0–24

3.2

3.6

0–15

2.2

3.4

0–14

  1. K6, Kessler-6 questionnaire (range 0–24); SD, standard deviation
  2. aMultiple answers allowed