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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Allergy Clin Immunol. 2014 Jun 4;134(3):593–601.e12. doi: 10.1016/j.jaci.2014.04.018

Table I.

Characteristics of study participants.

Overall
(n=467)
Recurrent Wheeze
36% (n=166)
No Recurrent Wheeze
64% (n=301)
Mother completed high school 58% (273) 55% (92) 61% (181)
Mother married 14% (64) 13% (21) 14% (43)
Mother has ever had asthma 50% (234) 55% (91) 48% (143)
Household income < $15,000* 69% (321) 75% (124) 65% (197)
Number of smokers in home* 0.93 ± 1.0 1.1 ± 1.2 0.84 ± 0.91
Child’s race/ethnicity
  Black 71% (333) 72% (120) 71% (213)
  Hispanic 20% (92) 16% (27) 21% (65)
  Other 9% (42) 12% (19) 8% (23)
Child’s gender: Male 51% (240) 56% (93) 49% (147)
C-section delivery 33% (154) 36% (60) 31% (94)
Child’s birth weight (g)* 3258.0 ± 504.4 3203.8 ± 567.0 3287.9 ± 464.6
Gestational age* 38.8 ± 1.5 38.4 ± 1.6 39.0 ± 1.4
Breastfed child at 3 months 24% (100) 20% (29) 26% (71)
BMI at age 3 16.7 ± 2.4 16.9 ± 2.9 16.7 ± 2.1
*

Significant difference (p<0.05) between recurrent wheeze group and children without recurrent wheeze.

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