Prevalence, and crude and adjusted odds ratios (ORs) for prior hyperthyroidism among the sampled patients.

CI, confidence interval; ORs were calculated by a conditional logistic regression which was conditioned on age, monthly income, and geographic region group.
*p<0.05;
**p<0.01.
aAdjusted for patient’s urbanization level, diabetes, coronary heart disease, obesity, hyperlipidemia, chronic pelvic pain, irritable bowel syndrome, fibromyalgia, chronic fatigue syndrome, depression, panic disorder, migraines, sicca syndrome, allergies, endometriosis, and asthma.