Table 1.

Demographics of the sample population.

Characteristic	Subclincal Hypothyroidism (n = 54)	Control (n = 1,264)	p-value
Sex			0.063
Male. No. (%)	19 (35.2%)	608 (48.1%)
Female. No. (%)	35 (64.8%)	656 (51.9%)
Race			0.049
Non-Hispanic white. No. (%)	32 (59.3)	584 (46.2)
Black. No. (%)	4 (7.4)	262 (20.7)
Mexican-American. No. (%)	14 (25.9)	309 (24.4)
Other No. (%)	4 (7.4)	109 (8.6)
Age			< 0.001
Youth (18–44y) No. (%)	12 (22.2)	650 (51.4)
Middle age (45–65y) No. (%)	19 (35.2)	372 (29.4)
Elderly (>65y) No. (%)	23 (42.6)	242 (19.1)