Table 2.

Odds ratios for 5+ cardinal symptoms—complete sample (n = 804).

	Model 1	Model 2	Model 3	Model 4	Model 5	Model 6
Pollution Factor	1.282 **	1.343 *	1.351 *	1.321 **	1.286 *	1.254 *
Indoor Exposure		1.181	1.187	1.192	1.225	1.286 *
Sex (54.3% female)			1.479 *	1.520 *	1.512 *	1.523 *
Age Group (Reference 18–24)				**	**	***
25–44				0.947	1.021	0.705
45–64				0.559 *	0.594	0.302 ***
65+				0.381 **	0.398 **	0.106 ***
Low Income					1.820 *	1.794 *
Asthma						5.048 ***
Cancer						1.765
Kidney Disease						2.973 **
Skin Condition						2.602 ***
Hypertension						2.426 ***
Heart Disease						1.724
Hosmer & Lemeshow χ2 (df), significance	16.71(8), 0.03	15.97(8), 0.43	1.09(8), 0.99	13.04(8), 0.11	6.17(8), 0.63	8.54(8), 0.38
Nagelkerke R2	0.014	0.019	0.028	0.058	0.067	0.207
% Correctly Classified	80.7	80.7	80.7	80.7	80.7	81.1

* p < 0.05; ** p < 0.01; *** p < 0.001.