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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Ann Allergy Asthma Immunol. 2011 Jan 8;106(2):131–139.e1. doi: 10.1016/j.anai.2010.11.007

Table 4.

Adjusted associations between maternal anemia and childhood wheeze patterns, all children combined and by maternal asthma status1

Wheeze Pattern2 All children Non-asthmatic mothers Asthmatic mothers
ORa 95% CI ORa 95% CI ORa 95% CI

No wheeze ref ref ref
Early-onset, transient 2.76 1.35–5.64 3.90 1.43–10.6 2.56 0.77–8.50
Late-onset 0.77 0.22–2.65 NAC3 0.72 0.11–4.60
Early-onset, persistent 1.96 0.95–4.03 1.18 0.35–4.04 3.67 1.27–10.6
1

Adjusted for child's gender, race, # children in household at age 6, maternal allergies, maternal education, pre-pregnancy BMI, maternal smoking in 1st trimester, folate supplementation in first trimester, NICU admission, preterm delivery, SGA, # months breastfed, smoking in household in years 1 and 5, daycare attendance in year 1, pets in years 1 and 5, mold in years 1 and 5.

2

Early-onset transient wheeze=wheeze onset <3 years but no symptoms by age 6; late-onset wheeze=wheeze ≥3 years; early-onset persistent wheeze=wheeze <3 years and wheeze at age 6

3

NAC (not able to calculate)

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