Perceived oral health and its association with symptoms of psychological distress, oral status and socio-demographic characteristics among elderly in Norway

Table 2 Predictors of self-rated poor oral health among elderly Norwegian adults

Variables	Categories	Crude measures		Univariable			Multivariable^a
		N	Poor self-rated oral health %	OR	95% CI	P	OR	95% CI	P
HSCL-25 diagnose	Mean score > 1.75	75	45.3	2.21	1.37–3.57	0.001	1.89	1.14–3.15	0.014
HSCL-25 diagnose	Mean score ≤ 1.75 (reference)	870	27.2	1.00			1.00
Civil status	Single	327	33.9	1.47	1.09–1.97	0.009	1.16	0.85–1.59	0.345
Civil status	Living with partner (reference)	618	25.9	1.00			1.00
Smoker	Yes	102	46.1	2.36	1.55–3.59	< 0.001	1.83	1.17–2.87	0.008
Smoker	No (reference)	843	26.6	1.00			1.00
Number of teeth	0–19	322	47.2	3.79	2.82–5.09	< 0.001	3.49	2.56–4.76	< 0.001
Number of teeth	≥ 20 (reference)	623	19.1	1.00			1.00
Dental attendance	> 12 month	153	35.3	1.48	1.02–2.13	0.037	0.93	0.62–1.40	0.746
Dental attendance	6–12 month (reference)	786	27.0	1.00			1.00

OR = Odds ratio; 95% CI = 95% confidence Interval. ^aModel adjusted for the interaction between HSCL-25 diagnose, civil status, smoking, number of teeth, and dental visits

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