Table 4

 Association between asthma and gestational age or small for gestational age status among Medicaid-enrolled children 5–9 years of age, stratified by lower respiratory infection; Alaska, January 1999–December 2002

VariableNo LRI (n = 15 016)aOR* (95% CI)Any LRI (n = 9617)aOR* (95% CI)
aOR, adjusted odds ratio; LRI, lower respiratory infection; SGA, small for gestational age.
*aOR adjusted for years of Medicaid enrolment, age at enrolment, sex, Alaska Native status, birth residence, caesarean and multiple gestation birth, maternal age, maternal education and maternal prenatal tobacco use.
Gestation <32 weeks2.0 (0.8 to 5.2)2.3 (1.0 to 5.2)
Gestation 32–36 weeks1.6 (1.0 to 2.5)1.3 (0.8 to 2.0)
Gestation ⩾37 weeksReferenceReference
SGA0.7 (0.4 to 1.2)0.9 (0.5 to 1.4)
Not SGAReferenceReference