. Author manuscript; available in PMC: 2017 Oct 26.

Published in final edited form as: IEEE Sens Lett. 2017 Apr 6;1(2):6000204. doi: 10.1109/LSENS.2017.2691677

TABLE 4.

Multinomial Regression using PCA Components for Cooking and Smoking Environment with Reference to clean (Controlled Environment)

Activity	Intercept(Std. Error.)	χ²(df = 1)	Odds Ratios
Cooking	19.26 (3.94)	23.81
Pollution Component	25.03 (4.80)	27.17	7.48 × 10¹⁰
Climate Component	−4.97 (2.01)	6.09	7 × 10⁻³
Pollution* Climate Component	5.22 (2.52)	4.30	186.5
Smoking	10.90 (5.04)	4.62
Pollution Component	41.41 (7.82)	27.98	9.65 × 10¹⁷
Climate Component	−11.51 (2.92)	15.56	9.93 × 10⁻⁶
Pollution* Climate Component	14.68 (4.74)	9.59	2.38 × 10⁶