Table 3.

Risk of periodontal disease in patients with newly diagnosed schizophrenia during 1-year follow-up

	ORa	95% CI	p
Age	0.99	0.98–0.99	<0.001
Sex (female v. male)	1.40	1.20–1.63	<0.001
Monthly income
Low income (v. no income)	0.98	0.82–1.16	0.783
High income (v. no income)	2.24	1.64–3.06	<0.001
Geographical region of Taiwan
Central (v. Northern)	1.03	0.84–1.25	0.802
Southern (v. Northern)	0.71	0.60–0.84	<0.001
Eastern and others (v. Northern)	0.68	0.44–1.06	0.088
A 2-year history of
Periodontal disease (v. no)	2.45	1.84–3.26	<0.001
Prescriptions
FGAs (v. no)	1.89	1.54–2.32	<0.001
SGAs (v. no)	1.33	1.11–1.58	0.001
Anticholinergics (v. no)	1.24	1.03–1.50	0.025
Antihypertensives (v. no)	1.91	1.64–2.23	<0.001

OR, odds ratio; CI, confidence interval.

^aAfter adjustment for age, sex, income level, geographical region, 2-year history of periodontal disease, index date and concomitant prescriptions.