Table 1.

Prevalence of ET by Gender, Ethnicity, and Age Stratum

	Number of ET cases/Number of Participants	Crude Prevalence Per 100 (95% CI)
Gender
Men	38/659	5.8 (3.9–7.5)
Women	70/1,306	5.4 (4.1–6.5)
Ethnicity
Non-Hispanic White	18/589	3.1 (1.6–4.4)
Non-Hispanic African-American	38/642	5.9 (4.1–7.7)
Hispanic	51/702	7.3 (5.3–9.1)
Other	1/32	3.1 (0.0–8.1)
Age (10 Year Strata)
65–74	22/868	2.5 (1.5–3.5)
75–84	55/812	6.8 (5.0–8.4)
85–94	26/262	9.9 (6.3–13.5)
95 and older	5/23	21.7 (4.4–37.7)

For gender, x² = 0.14, p = 0.71.

For ethnicity, x² = 11.55, p = 0.009. (For White vs. African-American, x² = 5.80, p = 0.016; for White vs. Hispanic, x² = 11.22, p = 0.001; for Hispanic vs. African-American, x² = 0.98, p = 0.32).

For age (10 year strata), x² = 38.78, p < 0.001.