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Table 4 Attribution of the factors to the infant death age

From: Infant, neonatal, and postneonatal mortality trends in a disaster region and in Japan, 2002–2012: a multi-attribute compositional study

Infant mortality age (0–364 days)

Variables

Utility

95%CI

Coef.

SE

p

Gender

 Male

62.2

60.8, 63.6

−2.38

1.05

0.023

 Female

64.6

63.1, 66.1

   

Birth weight

 0–2499 g

58.5

57.1, 60.0

−12.4

1.38

< 0.001

 2500 g ≤

70.9

68.9, 72.9

   

Mother’s age

 15–34 years

62.5

62.4, 64.8

   

 35 years ≤

63.6

60.5, 64.5

−1.16

1.19

0.33

Gestational week

 22–36 weeks

43.4

41.7, 45.0

−40.28

1.34

< 0.001

 37–42 weeks

83.7

81.9, 85.3

   

Parity

 Primiparous

55.9

54.4, 57.5

−13.1

1.06

< 0.001

 Multiparous

69.1

67.7, 70.5

   

Mega earthquake

 Intensity 6 <

62.3

61.0, 63.6

−2.78

1.08

0.001

 Intensity ≤6

65.1

63.4, 66.8

   

Region

 Tohoku

63.8

58.9, 68.7

0.51

2.57

0.842

 Other regions

63.3

62.2, 64.3

   
  1. Note. p < 0.000, R-squared = 0.81, Adj. R-squared = 0.82
  2. Utility indicates average importance value on infant death age
  3. SE = standard error; Coef. = coefficient. Statistically significant at p < 0.05
  4. Source. Calculated by the authors from the data of the national infant death forms from the Ministry of Health, Labour, and Welfare
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BMC Public Health

ISSN: 1471-2458

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