Table 2.

Multivariate analysis of the association between tinnitus and BMI. Odds ratios (ORs) and 95% confidence intervals (CIs) for the presence of tinnitus in premenopausal women.

BMI (kg/m2)	Adjusted OR (95% CI)
	Model 1	Model 2	Model 3
<18.5	1.66 (1.26–2.18)	1.50 (1.13–1.98)	1.54 (1.14–2.08)
18.5≤ and <23	Reference	reference	reference
23≤ and <25	1.02 (0.80–1.29)	1.08 (0.85–1.37)	1.05 (0.79–1.39)
25≤ and <30	1.11 (0.87–1.42)	1.18 (0.92–1.52)	1.11 (0.79–1.58)
30≤	1.33 (0.89–1.99)	1.27 (0.83–1.93)	1.08 (0.58–2.04)

Model 1 = Nonadjusted.

Model 2 = Model 1+ adjusted for age, smoking, drinking, exercise.

Model 3 = Model 2+ adjusted for perceived stress, melancholy, duration of sleep.