Table 2. All main explanatory variables according to T2DM status adjusted for possible confounding variables, (n = 447).

Variables	n	Adjusted OR (95% CI)a	Adjusted OR (95% CI)b
Number of present teeth
≤21 teeth	66	1	1
> 21 teeth	381	0.34 (0.17–0.68)**	0.23 (0.08–0.63)**
Tooth mobility
No	153	1	1
Yes	294	9.63 (4.29–21.58)**	5.90 (2.26–15.39)**
Furcation involvement
No	344	1	1
Yes	103	5.23 (2.79–9.80)**	2.96 (1.36–6.45)**
Chronic periodontitis
No	157	1	1
Yes	290	3.97 (2.08–7.59)**	4.07 (1.74–9.49)**
Dental caries (DMFT)
DMFT  =  0	21	1	1
DMFT > 0	426	0.82 (0.28–2.37)	0.38 (0.09–1.66)
Root surface caries
No	252	1	1
Yes	195	1.80 (1.07–3.02)*	1.65 (0.84–3.26)
OHRQoL
OIDP = 0	353	1	1
OIDP>0	94	3.85 (2.11–7.01)**	3.46 (1.61–7.42)**

^* P<0.05.

^** P<0.01.

a) Adjusted for employment status, educational level, consumption of sugary drinks, hypertension, smoking, plaque index and regular dental attendance.

b) Adjusted for employment status, educational level, consumption of sugary drinks, hypertension, smoking, plaque index, regular dental attendance and other main explanatory variables.