. 2020 Sep 12;8(3):337. doi: 10.3390/healthcare8030337

Table 5.

The odds ratios and 95% confidence intervals of demographic characteristics and blood lipid levels with respect to the prevalence of periodontal disease.

Characteristics	Sub-Items	Model I			Model II			Model III
Characteristics	Sub-Items	p	OR	95% CI	p	OR	95% CI	p	OR	95% CI
Gender	Male	0.000 *	2.198	1.982–2.438				0.000 *	1.834	1.652–2.036
	Female		1						1
Age (years)		0.000 *	1.045	1.010–1.050				0.000 *	1.046	1.040–1.051
BMI (kg/m²)		0.000 *	1.053	1.038–1.069				0.000 *	1.047	1.031–1.063
Marital status	Married	0.092	1.111	0.983–1.257				0.059	1.148	0.995–1.325
	Single		1						1
Education level	<Elementary	0.000 *	1.937	1.613–2.3235				0.000 *	1.620	1.331–1.971
	Middle school	0.000 *	1.765	1.447–2.152				0.000 *	1.636	1.329–2.015
	High school	0.000 *	1.559	1.355–1.794				0.000 *	1.563	1.359–1.798
	>College		1						1
Home ownership	Yes	0.002 *	0.811	0.718–0.916				0.043 *	0.857	0.742–0.954
	No		1						1
Number of persons living together	Alone	0.576	0.864	0.720–1.036				0.969	0.974	0.809–1.174
	>2 persons		1						1
Health insurance coverage	National Health Insurance	0.115	1.084	0.828–1.418				0.555	0.892	0.671–1.185
	Medical care		1						1
Household income	Low	0.147	1.174	0.945–1.459				0.096	1.149	0.939–1.406
	Middle–low	0.188	1.133	0.941–1.364				0.039 *	1.222	1.033–1.447
	Middle	0.223	1.113	0.936–1.324				0.175	0.969	0.816–1.151
	Middle–high	0.651	0.965	0.825–1.128				0.651	0.981	0.820–1.174
	High		1						1
Economic activity	Nonclerical job	0.000 *	1.587	1.378–1.828				0.000 *	1.560	1.349–1.804
	Office job	0.005 *	1.315	1.155–1.496				0.015 *	1.324	1.157–1.515
	None		1						1
Total cholesterol	HTCG				0.689	0.968	0.827–1.133	0.590	1.058	0.897–1.247
	NTCG					1			1
Triglyceride	HTG				0.000 *	1.768	1.576–1.983	0.000 *	1.499	1.320–1.703
	NTG					1			1

Data were obtained through multivariable logistic regression analysis using complex-sample design; NTCG (normal-total-cholesterol group), HTCG (high-total-cholesterol group), NTG (normal-triglyceride group), HTG (high-triglyceride group); * (p < 0.05). Model I: Nagelkerke R² = 0.214, p < 0.001; Model II: Nagelkerke R² = 0.013, p < 0.001; Model III: Nagelkerke R² = 0.218, p < 0.001.