Table 4 A model of predictors of developmental delay at follow-up n = 149

Child sex

Male

1

1

Female

0.36

0.11–1.17

0.09

0.25

0.06–1.00

0.050

Maternal age

Per year

1.02

0.93–1.12

0.642

1.12

0.98–1.27

0.073

Wealth index

Rich

1

1

Poor

0.83

0.45–1.56

0.578

1.37

0.29–6.45

0.687

Middle

0.62

0.14–2.74

0.536

Crowding

< 5

1

1

≧5

1.3

0.46–3.66

0.609

0.68

0.19–2.45

0.565

Single mother household

Yes

1

1

No

0.18

0.03–0.84

0.03

0.14

0.01–1.11

0.063

Maternal education

Middle

1

1

Upper

0.21

0.06–0.72

0.013

0.15

0.03–0.66

0.012

Maternal work

No

1

1

Yes

0.66

0.24–1.86

0.442

0.51

0.15–1.68

0.272

History of miscarriage

Yes

1

1

No

1.6

0.43–5.91

0.479

1.81

0.39–8.22

0.441

Disease during pregnancy

Yes

1

1

No

2.37

0.82–6.78

0.108

2.61

0.67–10.15

0.165

Maternal depression symptoms

No (< 8)

1

1

Yes (> 9)

1.46

0.38–5.62

0.58

4.93

0.93–26.10

0.060

Exclusive breastfeeding

<  6 month

1

1

≧ 6 month

1.01

0.36–2.78

0.981

1.42

0.40–5.04

0.579