Table 5.

Influence of tobacco consumption on periodontitis (stage III+IV vs others)

Variables	Coefficient	Standard error	OR	95% conf. interval		p
Age	0.034	0.017	1.035	1.000	1.071	0.051
Gender (ref. female)	0.305	0.429	1.357	0.585	3.147	0.477
Tobacco (ref. never)	0.735	0.326	2.085	1.100	3.951	0.021
Disease activity (ref. remission/low)	1.444	0.366	4.239	2.069	8.684	< 0.001
Disease evolution time	0.008	0.025	1.009	0.961	1.0589	0.733
Intercept	− 1.712	0.944	0.180			0.070