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Table 1 Demographic characteristics of subjects

From: Increases in ambient air pollutants during pregnancy are linked to increases in methylation of IL4, IL10, and IFNγ

 

Overall

N = 186

Age of mother at baseline (median [IQR]) years

27 (23, 33)

Weight at start of pregnancy (kgs) (median [IQR])

72.7 [59.1, 85.0]

Race n (%)

 Hispanic

135 (72.6)

 African American

20 (10.8)

 White

17 (9.1)

 Asian or Pacific Islander

13 (7.0)

Household income last year before taxes (%)

 ≤ $15 K

59 (31.7)

 > $15–$30 K

78 (41.9)

 > $30–$50 K

31 (16.7)

 > $50 K

6 (3.2)

Number of weeks pregnant (median [IQR])

22 (20, 23)

Season of baseline visit (%)

 1: Oct–Jan (winter)

54 (29.0)

 2: Feb–May (spring)

64 (34.4)

 3: Jun–Sep (summer)

68 (36.6)

Ever diagnosed Asthma (%)

44 (23.7)