Table 3.

Multiple logistic regression analysis of possible outcome predictors for treatment effects at four time points after treatment in ozone group

	Post-treatment			3 mon			6 mon			1 yr
	Predictor	OR	95% CI	P-value	OR	95% CI	P-value	OR	95% CI	P-value	OR	95% CI	P-value
Age	0.353	0.124–1.010	0.052	0.96	0.836–1.103	0.567	1.004	0.914–1.103	0.928	0.928	0.858–1.004	0.062
Sex	0.563	0.078–4.073	0.57	0.672	0.146–3.101	0.611	1.687	0.458–6.217	1.687	0.693	0.193–2.494	0.575
Disease course	2.179	0.989–4.799	0.053	1.034	0.942–1.134	0.483	0.971	0.910–1.037	0.791	1.011	0.982–1.041	0.446
Diabetes	0.033	0.001–0.911	0.044*	0.356	0.049–2.572	0.306	3.533	0.344–36.311	3.533	0.927	0.131–6.589	0.94
Hypertension	0.283	0.040–1.987	0.202	0.9	0.203–3.982	0.889	1.251	0.333–4.705	1.251	1.162	0.319–4.239	0.82
Treatment number	0.545	0.308–0.963	0.036*	0.947	0.700–1.289	0.723	0.942	0.716–1.238	0.942	0.881	0.669–1.159	0.365

Notes: CI: confidence interval; OR: odds ratio.