Table 3.

The influence of the impact of diseases on smoking behavior in older adults

Variable	Full model	Sub-model
	Degree of impact (1) (Logit)	Severe (2) (Logit)	Moderate (3) (Logit)	None (4) (Logit)
Degree of impact	0.290*** (1.336)	-0.617*** (0.539)	-0.169** (0.844)	0.274*** (1.316)
Control variable	YES
Observed value	9683	9683	9683	9683
Cox R2	0.129	0.130	0.129	0.128
Variable	Full model	Sub-model
	Degree of impact (5) (LPM)	Severe (6) (LPM)	Moderate (7) (LPM)	None (8) (LPM)
Degree of impact	0.057***	-0.044***	-0.026**	0.044***
Control variable	YES
Observed value	9683	9683	9683	9683
R2	0.130	0.130	0.129	0.130

Bracketed values in the logistic model are odds ratios; *, p < 0.05; **, p < 0.01; ***, p < 0.001