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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Anesthesiology. 2017 Jul;127(1):136–146. doi: 10.1097/ALN.0000000000001656

Table 1.

Sample demographic characteristics

Variable n (%)
Sex
 Female 1129 (63)
 Male 665 (37)
Age
 18–30 216 (12)
 31–40 301 (17)
 41–50 373 (21)
 51–60 475 (26)
 61–70 256 (14)
 71–80+ 173 (10)
Marital Status* (19% of patients not included)
 Separated/divorced 225 (16)
 Cohabitating 104 (7)
 Widowed 49 (3)
 Married 794 (54)
 Never married 288 (20)
Education* (19% of patients not included)
 No high school diploma 111 (8)
 High school diploma or GED 143 (10)
 Some university/Associate’s degree 534 (37)
 Bachelor’s degree 343 (24)
 Graduate degree 322 (22)
 Unknown 4 (≪1)
Race*§ (5% of patients not included)
 American Indian or Alaska Native 7 (≪1)
 Asian 117 (7)
 Black or African American 51 (3)
 Native Hawaiian/Pacific Islander 16 (1)
 White 1144 (67)
 Other 311 (18)
 Patient declined to answer 34 (2)
 Unknown 31 (2)
*

Not all patients included due to incomplete surveys.

§

Due to limitations of the electronic medical records used, ethnicity data were unreliable and not reported. Hispanic is subsumed either in “White” or “Other”.