Table 3.

Independent and joint effect of indicators of socioeconomic status on asthma control

Socioeconomic Indicator	Unadjusted OR (95% CI)	Adjusted OR* (95% CI)
Maternal Education‡
Low	1.94 (1.28 – 2.97)	0.94 (0.56 – 1.56)
Medium	1.28 (0.93 – 1.77)	0.90 (0.63 – 1.30)
High	Referent	--
Low Income§	2.07 (1.48 – 2.91)	1.39 (0.92 – 2.12)
Insurance Status‖, n(%)
No Insurance	3.34 (0.88 – 14.43)	2.42 (0.57 – 11.30)
Public	2.34 (1.25 – 4.41)	1.72 (0.86 – 3.46)
Public-Closed HN	1.44 (0.71 – 2.92)	1.45 (0.69 – 3.07)
Closed HN	1.12 (0.60 – 2.11)	1.54 (0.79 – 3.00)
Private	Referent	--
SES Index†	1.33 (1.20 – 1.46)	1.17 (1.05 – 1.32)

^*Adjusted for age, sex, in utero smoke exposure, history of breastfeeding, daycare attendance, family history of asthma, family history of allergic rhinitis, reported mold exposure, and asthma control medication use

^‡Maternal education categorized into low (less than high school graduate), medium (high school graduate), and high (some college or higher)

^§Low Income: Odds ratio displayed represents the odds of going from a high income to a low income

^‖Public: government subsidized insurance with care through community-based clinics; Public-Closed HN: government subsidized insurance with care through closed health network; Closed HN = closed health network

^†Composite Socioeconomic Index: derived from reported maternal education attainment level, annual household income, and insurance status. Odds Ratio reported is for each unit decrease in the index.