Table 3.

Odds ordinal logistic regression with the match data according to their propensity score (n=210).

	OR*	95% CI	P value
Screening (vs. Unscreened)	0.2	0.11, 0.36	<.0001
Age	0.98	0.94, 1.02	.33
Female (vs. Male)	1.33	0.73, 2.43`	.35
White (vs. other races)	0.9	0.32, 2.7	.85
Smoking	2.51	0.51, 18.81	.29
Stage 1|Stage 2 (Intercept −0.93)	0.39	-	.63
Stage 2|Stage more 3 (Intercept −0.34)	0.71	-	.86

^*Odds ratio (OR) were calculated (late stage vs. early stage).