Table 3.

Significant factors of TNs by logistic regression analysis

Variables	β	SE	OR	95% CI	P-value
Female	1.21	0.27	3.36	1.97–5.75	<0.001
Hypertension	0.49	0.18	1.63	1.16–2.30	0.005
Diabetes	0.94	0.33	2.55	1.35–4.83	0.004
Underweight	−0.35	0.17	0.71	0.50–0.99	0.045
Betel quid consumption	1.12	0.48	3.08	1.21–7.85	0.019
Red meat consumption
Frequent	1.03	0.40	2.80	1.28–6.09	0.010
Occasional	1.23	0.44	3.43	1.45–8.15	0.005
Never (reference)	–	–	1.00	–	–
Nut consumption
Frequent	−0.97	0.46	0.38	0.15–0.94	0.037
Occasional	−0.58	0.23	0.56	0.35–0.89	0.013
Never (reference)	–	–	1.00	–	–

Abbreviations: β, logistic regression coefficient; CI, confidence interval; OR, odds ratio; SE, standard error; TNs, thyroid nodules.