The association of exhaled nitric oxide with air pollutants in young infants of asthmatic mothers

Table 4 Multivariable regression of all LASSO active coefficients for eNO

Variable	Coefficient	95% CI	P value
sinterm	0.004	0.002, 0.005	< 0.001
Seven-day mean CO	-1.627	-2.742, -0.512	0.005
24-h mean NH₃	0.017	-0.006, 0.04	0.146
Seven-day mean PM10	0.026	0, 0.052	0.051
24-h mean NO	-0.015	-0.034, 0.004	0.112
Seven-day mean PM2.5	0.041	-0.009, 0.09	0.105
Seven-day mean O₃	0.016	-0.009, 0.041	0.214
24-h mean SO₂	-0.004	-0.056, 0.048	0.873
Seven-day mean NH₃	0.023	-0.016, 0.061	0.248

R² 0.265, P value 0.0000
Adjusted for age at test, birth order, infant sex, birth weight, prematurity, exclusive breastfeeding, and maternal smoking in pregnancy
CO Carbon monoxide, eNO exhaled nitric oxide, NH₃ Ammonia, NO Nitric oxide, NO₂ Nitrogen dioxide, O₃ Ozone, PM10 Particulate matter less than 10 μm, PM2.5 Particulate matter less than 2.5 μm, sinterm parameterized sine model with assumed value of zero at June, peak in March, and trough in September with increasing amplitude for each year; SO₂: sulfur dioxide

ISSN: 1476-069X