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Table 2 Demographics of subjects

From: Secondhand smoke in combination with ambient air pollution exposure is associated with increasedx CpG methylation and decreased expression of IFN-γ in T effector cells and Foxp3 in T regulatory cells in children

 

Fresno SHS*

Fresno nSHS

Stanford SHS*

Stanford nSHS

(n = 31)

(n = 31)

(n = 6)

(n = 34)

Age, years

14.13 ± 0.36 (range 11 to 18)

15.23 ± 0.28 (range 12 to 18)

16.17 ± 1.45 (range 9 to 18)

11.85 ± 3.13 (range 7 to 18)

Gender, male/female

15/16

20/11

2/4

17/17

Number with allergic rhinitis

9 (29.0%)

9 (29.0%)

2 (33%)

6 (17%)

IgE levels, kU/L

76 ± 15

13 ± 7

23 ± 9

11 ± 5

Urine cotinine, ng/mL

12.36 ± 6.86

0 ± 0

n/a

n/a

(n = 16)

(n = 6)

Number of subjects with positive urine cotinine levels (> 7 ng/mL)

5 (31.25%)

0 (0%)

n/a

n/a

(n = 16)

(n = 6)

  1. *Two subjects each in both the Fresno and Stanford SHS groups were themselves smokers in addition to being exposed to SHS. SHS, secondhand smoke; nSHS, not exposed to secondhand smoke; kU/L, kilounits per liter; ng/mL, nanograms per milliliter. Means are reported ± standard error of the mean (SEM).
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Clinical Epigenetics

ISSN: 1868-7083

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