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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