Table 5.

Prevalence ratios of tooth loss in Chilean population according to multimorbidity level (G0-G3). Chilean National Health Survey 2016-17 (n = 4,151)

Category	Multimorbidity	< 65 years		≥ 65years
		PR Crude [95% CI]	PR Adjustedb [95% CI]	PR Crude [95% CI]	PR Adjustedb [95% CI]
Moderate tooth loss	G0	1	1	1	1
	G1	1.65 [0.99; 2.73]	1.65 [1.09; 2.51]*	0.95 [0.67; 1.33]	1.17 [0.90; 1.53]
	G2	2.57 [1.63; 4.08]	1.44 [0.98; 2.10]	1.07 [0.83; 1.37]	1.09 [0.85; 1.39]
	G3	5.62 [3.40; 9.30]	1.76 [1.12; 2.77]*	1.10 [0.85; 1.44]	1.09 [0.84; 1.40]
Severe tooth loss	G0	1	1	1	1
	G1	1.87 [0.71; 4.94]	2.03 [0.82; 5.03]	0.67 [0.27; 1.71]	0.87 [0.34; 2.20]
	G2	2.90 [1.22; 6.91]	1.59 [0.71; 3.54]	1.32 [0.60; 2.93]	1.37 [0.60; 3.10]
	G3	8.70 [3.49; 21.66]	2.55 [1.02; 6.36]*	1.02 [0.46; 2.26]	1.03 [0.45; 2.34]
Edentulism	G0	1	1	1	1
	G1	2.15 [0.61; 7.59]	2.85 [0.81; 10.03]	1.36 [0.48; 3.83]	1.44 [0.61; 3.40]
	G2	4.05 [1.27; 12.94]	2.10 [0.66; 6.67]	1.41 [0.54; 3.67]	1.09 [0.47; 2.49]
	G3	5.64 [1.81; 17.54]	1.30 [0.41; 4.14]	2.01 [0.79; 5.13]	1.29 [0.56; 2.97]

b. The model was adjusted for age, sex, educational level and geographic area. PR: prevalence ratio. 95% CI: confidence interval. * p-value < 0.05