Table 2.

Demographic and clinical characteristics of Graves disease patients and controls matched for age, education and smoking status at inclusion

	Mean ± SD or n (%)		P
	Patients (N = 62)	Controls (N = 56)
Age, y	32.3 ± 9.1	33.7 ± 8.8	.392a
BMI	22.6 ± 4.1	24.7 ± 4.4	.009 a
Previous smoker	12 (19.4)	12 (21.4)	.820b
Current smoker	12 (19.3)	7 (12.5)	.389b
College education	40 (64.6)	45 (80.4)	.441b

P value less than .05 is shown in bold.

Abbreviation: BMI, body mass index.

^a Unpaired t test.

^b χ ² test.