. 2013 Aug 22;10(9):3801–3817. doi: 10.3390/ijerph10093801

Table 5.

Odds ratios for 5+ cardinal symptoms—no allergies or hay fever (n = 572).

	Model 1	Model 2	Model 3	Model 4	Model 5	Model 6
Pollution Factor	1.241	1.356 *	1.356 *	1.284	1.237	1.211
Indoor Exposure		1.390 *	1.388 *	1.421 *	1.500 **	1.577 **
Sex (49.6% female)			0.938	0.964	0.938	0.910
Age Group (Reference 18x2013;24)				*******	*******	*******
25x2013;44				0.506 *	0.576	0.442 *
45x2013;64				0.215 *******	0.238 *******	0.135 *******
65+				0.288 **	0.314 **	0.102 *******
Low Income					2.386 **	2.764 **
Asthma						3.422 **
Cancer						1.607
Kidney Disease						1.152
Skin Condition						3.895 *******
Hypertension						2.453 **
Heart Disease						2.072
Hosmer & Lemeshow χ² (df), significance	8.07(8), 0.43	5.76(8), 0.76	9.56(8), 0.30	3.41(8), 0.91	9.99(8), 0.27	9.88(8), 0.27
Nagelkerke R²	0.01	0.028	0.028	0.09	0.108	0.215
% Correctly Classified	85.9	85.9	85.9	85.9	85.9	85.9

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