Table 3 Sample characteristics and the association with obtaining injury prevention information when required (n=636)

Mothers

 Age

  ≤ 24

174

27.4

121

28.9

53

24.4

0.164

1.31 (0.89–1.91)

  25-34

417

65.6

265

63.2

152

70.0

ref

  ≥ 35

45

7.1

33

7.9

12

5.5

0.196

1.58 (0.79–3.15)

Diseases with hospital visits

61

9.6

43

10.3

18

8.3

0.425

1.26 (0.71–2.25)

Graduated from university

331

52.0

211

50.4

120

55.3

0.229

0.75 (0.46–1.20)

Not employed

255

42.4

154

38.8

101

49.3

0.014

0.65 (0.46–0.92)

Second child

88

13.8

59

14.1

29

13.4

0.804

1.06 (0.66–1.71)

First infants/children

 Sex

  Male

314

49.4

216

51.6

98

45.2

0.127

1.29 (0.93–1.80)

 Age in months

  0–11

189

29.7

109

26.0

80

36.9

<0.001

0.47 (0.31–0.72)

  12–23

226

35.5

146

34.8

80

36.9

0.028

0.63 (0.42–0.95)

  24–35

221

34.7

164

39.1

57

26.3

ref

Nursery school

241

38.1

169

40.6

72

33.2

0.068

1.38 (0.98–1.94)

Diseases with hospital visits

63

10.0

32

7.7

31

14.4

0.009

0.49 (0.29–0.84)

Medically attended injury

 All (any injury)

157

24.7

92

22.0

65

30.0

0.027

0.66 (0.45–0.95)

  Trip

36

5.7

21

5.0

15

6.9

0.327

0.71 (0.36–1.41)

  Fall

50

7.9

31

7.4

19

8.8

0.547

0.83 (0.46–1.51)

 Accidental ingestion

9

1.4

2

0.5

7

3.2

0.016

0.14 (0.03–0.70)

  Suffocation

0

0.0

0

0.0

0

0.0

--

--

  Drowning

1

0.2

1

0.2

0

0.0

--

--

  Cut or struck

42

6.6

23

5.5

19

8.8

0.119

0.61 (0.32–1.14)

  Burn or scalding

12

1.9

8

1.9

4

1.8

0.954

1.04 (0.31–3.48)

Household & environment

 Annual income

  >3000

91

14.3

63

15.0

28

12.9

ref

  3000–4999

182

28.6

109

26.0

73

33.6

0.133

0.66 (0.39–1.13)

  5000–6999

165

25.9

121

28.9

44

20.3

0.485

1.22 (0.67–2.15)

  7000–8999

119

18.7

76

18.1

43

19.8

0.416

0.79 (0.44–1.41)

  ≥9000

79

12.4

50

11.9

29

13.4

0.414

0.77 (0.41–1.45)

Use a car when you want to

382

60.1

263

62.8

119

54.8

0.053

1.39 (0.995–1.94)

Living with grandparents

44

6.9

27

6.4

17

7.8

0.513

0.81 (0.43–1.52)

 Residential area

  North region

47

7.4

24

5.7

23

10.6

0.536

0.54 (0.28–1.01)

  Kanto region

215

33.8

142

33.9

73

33.6

ref

  Chubu region

141

22.2

98

23.4

43

19.8

0.496

1.17 (0.74–1.85)

  Kinki region

124

19.5

82

19.6

42

19.4

0.988

1.00 (0.63–1.60)

  Chugoku/Shikoku

54

8.5

40

9.5

14

6.5

0.261

1.47 (0.75–2.87)

  Kyushu region

55

86%

33

7.9

22

10.1

0.771

0.77 (0.42–1.42)

Not detached house

366

57.7

240

57.6

126

58.1

0.902

0.98 (0.70–1.37)

Rented house

333

52.5

214

51.3

119

54.8

0.400

0.87 (0.63–1.21)

Helpful parents or in-laws in the neighborhood

344

54.3

231

55.1

113

52.8

0.578

1.10 (0.79–1.53)

Prenatal and postpartum services (not available or delayed for COVID-19 reasons)

 Pregnancy notification interview

123

19.3

68

16.2

55

25.3

0.006

0.57 (0.38–0.85)

 Antenatal class in PHC

351

55.2

226

53.9

125

57.6

0.378

0.86 (0.62–1.20)

 Antenatal class in hospital

338

53.1

211

50.4

127

58.5

0.051

0.72 (0.52–1.00)

 Giving birth at mother’s parent’s home

64

10.1

41

9.8

23

10.6

0.746

0.92 (0.53–1.57)

 Birth with partner

256

40.5

159

38.2

97

44.9

0.105

0.76 (0.54–1.06)

 Routine infant & child health checkups

97

15.3

59

14.1

38

17.6

0.245

0.77 (0.49–1.20)

 Vaccination

43

6.8

22

5.3

21

9.7

0.038

0.52 (0.28–0.96)

 Local workshops e.g., Baby food workshop

162

25.5

98

23.4

64

29.5

0.095

0.73 (0.51–1.06)

Prenatal and postpartum information sources (did not use)

 Information by family or friends

106

16.7

60

14.3

46

21.2

0.028

0.62 (0.41–0.95)

 Parenting magazine

244

38.4

155

37.0

89

41.0

0.323

0.84 (0.60–1.18)

 Parenting app

46

7.2

27

6.4

19

8.8

0.288

0.72 (0.39–1.32)

 SNS

161

25.3

99

23.6

62

28.6

0.175

0.77 (0.53–1.12)

Mental status

 GHQ

3.2

3.29

2.9

3.23

3.8

3.33

<0.001

0.92 (0.88–0.97)

 Resilience

92.2

14.1

93.4

13.53

89.8

14.85

0.003

1.02 (1.01–1.03)