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. 2024 Jun 15;47(9):zsae109. doi: 10.1093/sleep/zsae109

Table 2.

Iris Ratings by Race and Ethnicity

N M SD Range F P
Race White 38 12.5 6.4 2–23 11.97 <.001
Black 8 21.6 2.1 17–24
Asian 3 23.3 0.6 23–24
Ethnicity Hispanic/Latinx 2 14.3 7.0 2–24 2.08 .156
Not Hispanic/Latinx 47 21.5 0.7 21–22

White—Endorsed Caucasian or white race. Black—Endorsed black or African American race. Asian—Endorsed Asian American race. Hispanic/Latinx—Endorsed being of Hispanic ethnicity, or Latino or Latina.