Table 2.

Multivariate analysis, for (1) the purpose of the last dental visit (Treatment (ref.) vs. Prevention) and (2) the duration since the last dental visit ( = > 1year (ref.) vs. < 1 year)

	(1) Purpose of the last dental visit		(2) Time from the last dental visit
	ORa (p-value)	CI 95%	ORa (p-value)	CI 95%
Purpose of last dental visit – Ref = Treatment
Prevention	-	-	4.981 (0.000)	[2.662; 9.317]
Time from the last dental visit – Ref = ≥ 1 year
< 1 year	4.838 (0.000)	[2.609; 8.973]	-	-
Sex - Ref = Men
Women	2.654 (0.019)	[1.176; 5.990]	1.054 (0.881)	[0.526; 2.114]
Age (in years)	1.014 (0.348)	[0.985; 1.427]	1.041 (0.004)	[1.013; 1.074]
Dental Status – Ref = Poor
Fair	5.305 (0.023)	[1.262; 22.300]	3.583 (0.140)	[0.657; 19.544]
Very good	8.766 (0.004)	[1.962; 39.156]	4.441 (0.094)	[0.775; 25.446]
Weekly working hours - Ref = < 35 h
< 35 h	1.682 (0.176)	[0.792; 3.568]	0.653 (0.229)	[0.326; 1.307]
35–45 h	0.929 (0.869)	[0.388; 2.224]	0.652 (0.322)	[0.279; 1.521
Yearly frequencies of race(s) – Ref = < 4
4–8	0.830 (0.603)	[0.412; 1.672]	0.888 (0.726)	[0.458; 1.722]
> 8	0.654 (0.317)	[0.271; 1.525]	2.083 (0.076)	[0.925; 4.687]
Daily toothbrushing - Ref = < twice a day
twice a day	2.174 (0.036)	[1.051; 4.500]	0.944 (0.879)	[0.452; 1.971]
> twice a day	1.216 (0.691)	[0.464; 3.186]	0.903 (0.834)	[0.347; 2.350]
Excessive sugar exposure - Ref = No
Yes	1.381 (0.277)	[0.771; 2.471]	1.199 (0.525)	[0.684; 2.100]
Constant	0.033		0.017
Pseudo R2	0.180		0.156