Table 4 Association between parental risks and developmental delays by age group

0–3 years

Overall

1.16 (0.98,1.37)

0.087

1.36 (1.08,1.72)

0.010

Communication

0.86 (0.62,1.20)

0.377

1.70 (0.94,3.09)

0.081

Gross motor

1.12 (0.89,1.42)

0.334

1.24 (0.87,1.78)

0.235

Fine motor

1.05 (0.82,1.34)

0.722

1.06 (0.72,1.58)

0.764

Problem-solving

1.07 (0.82,1.41)

0.617

1.11 (0.67,1.83)

0.682

Personal-social

1.22 (0.99,1.49)

0.062

1.37 (0.99,1.88)

0.055

0–5 months

Overall

0.96 (0.65,1.43)

0.853

0.90 (0.58,1.39)

0.619

Communication

0.71 (0.43,1.17)

0.179

1.45 (0.62,3.35)

0.391

Gross motor

1.15 (0.71,1.87)

0.578

0.80 (0.43,1.49)

0.486

Fine motor

1.05 (0.65,1.69)

0.849

0.99 (0.51,1.92)

0.965

Problem-solving

1.26 (0.82,1.93)

0.296

0.53 (0.25,1.14)

0.105

Personal-social

1.05 (0.68,1.64)

0.813

0.65 (0.38,1.13)

0.125

6–12 months

Overall

0.95 (0.73,1.24)

0.708

1.22 (0.84,1.76)

0.301

Communication

0.79 (0.35,1.79)

0.573

0.59 (0.13,2.73)

0.496

Gross motor

0.89 (0.64,1.23)

0.480

1.42 (0.85,2.37)

0.186

Fine motor

1.07 (0.68,1.67)

0.774

0.73 (0.36,1.49)

0.389

Problem-solving

0.87 (0.54,1.40)

0.560

3.04 (1.10,8.46)

0.033

Personal-social

0.94 (0.68,1.32)

0.736

1.60 (0.94,2.73)

0.084

1–3 years

Overall

1.38 (1.05,1.81)

0.021

2.51 (1.50,4.21)

0.001

Communication

1.52 (0.81,2.87)

0.197

4.61 (1.27,16.72)

0.020

Gross motor

1.55 (0.93,2.57)

0.093

0.90 (0.27,3.02)

0.870

Fine motor

1.43 (0.94,2.17)

0.097

2.20 (1.01,4.77)

0.046

Problem-solving

1.41 (0.78,2.54)

0.259

2.93 (0.55,15.62)

0.208

Personal-social

1.33 (0.93,1.91)

0.117

3.14 (1.33,7.41)

0.009