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Table 3 Adjusteda incidence rate ratio (95% CI) by ethnicity and birthweight category; (defined using low birth-weight criteria of birthweight < 2500 g and by customized growth centiles (SGA))

From: Is small size at birth associated with early childhood morbidity in white British and Pakistani origin UK children aged 0–3? Findings from the born in Bradford cohort study

GP appointments

White British n(%)

Pakistani n(%)

Incidence Rate Ratio Pakistani/ White British

 Not low birthweight

3913 (95.0%)

4319 (91.3%)

1.49 (1.44–1.55)

 Low birthweight

206 (5.0%)

412 (8.7%)

1.48 (1.27–1.73)

 Not SGA

3658 (93.8%)

3899 (86.4%)

1.49 (1.43–1.55)

 SGA

241 (6.2%)

613 (13.6%)

1.55 (1.36–1.76)

Analgesic prescriptions

 Not low birthweight

3913 (95.0%)

4319 (91.3%)

2.31 (2.19–2.45)

 Low birthweight

206 (5.0%)

412 (8.7%)

1.76 (1.37–2.25)

 Not SGA

3658 (93.8%)

3899 (86.4%)

2.30 (2.17–2.44)

 SGA

241 (6.2%)

613 (13.6%)

1.92 (1.54–2.39)

Antibiotic prescriptions

   

 Not low birthweight

3913 (95.0%)

4319 (91.3%)

1.38 (1.30–1.46)

 Low birthweight

206 (5.0%)

412 (8.7%)

1.13 (0.88–1.46)

 Not SGA

3658 (93.8%)

3899 (86.4%)

1.38 (1.30–1.48)

 SGA

241 (6.2%)

613 (13.6%)

1.26 (1.00–1.59)

Bronchodilator prescriptions

 Not low birthweight

3913 (95.0%)

4319 (91.3%)

0.95 (0.84–1.09)

 Low birthweight

206 (5.0%)

412 (8.7%)

1.02 (0.58–1.77)

 Not SGA

3658 (93.8%)

3899 (86.4%)

0.96 (0.84–1.10)

 SGA

241 (6.2%)

613 (13.6%)

1.10 (0.65–1.87)

Hospital Emergency

   

 Not low birthweight

3913 (95.0%)

4319 (91.3%)

1.24 (1.10–1.40)

 Low birthweight

206 (5.0%)

412 (8.7%)

1.42 (0.87–2.31)

 Not SGA

3658 (93.8%)

3899 (86.4%)

1.20 (1.06–1.36)

 SGA

241 (6.2%)

613 (13.6%)

1.46 (0.92–2.32)

Hospital Elective

   

 Not low birthweight

3913 (95.0%)

4319 (91.3%)

1.65 (1.21–2.25)

 Low birthweight

206 (5.0%)

412 (8.7%)

0.61 (0.26–1.44)

 Not SGA

3658 (93.8%)

3899 (86.4%)

1.49 (1.09–2.04)

 SGA

241 (6.2%)

613 (13.6%)

0.84 (0.29–2.47)

  1. aLow birthweight models adjusted for maternal parity, infant sex, gestational age, maternal age, social economic factors (maternal education, housing tenure, means- tested benefits) and smoking; SGA models adjusted for maternal age, social economic factors (maternal education, housing tenure, means- tested benefits) and smoking