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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Med Sci Sports Exerc. 2015 Oct;47(10):2102–2110. doi: 10.1249/MSS.0000000000000641

Table 1.

Socio-demographic characteristics of the participants included.

Variables All (n=1,234) Female (49.7%) Male (50.3%)
Age (yrs) 46.1 (0.4) 46.7 (0.6) 45.6 (0.6)
 20–29 yrs,% 7.8 (1.1) 6.6 (1.4) 8.9 (1.6)
 30–39 yrs, % 23.3 (1.8) 21.0 (2.5) 25.5 (2.7)
 40–49 yrs, % 34.8 (2.0) 38.1 (2.7) 31.5 (2.7)
 50–71 yrs, % 34.2 (1.6) 34.2 (2.2) 34.1 (2.4)

Body Mass Index (BMI) 29.8 (0.3) 29.2 (0.4) 30.4 (0.4)
 Normal Weight, % 25.3 (1.7) 32.1 (2.6) 18.7 (2.1)
 Overweight, % 33.4 (1.8) 31.4 (2.5) 35.4 (2.7)
 Obese, % 41.3 (1.9) 36.6 (2.6) 46.0 (2.8)

Ethnicity
 White, % 89.5 (1.4) 89.7 (1.8) 89.3 (2.0)
 Black, % 6.3 (1.0) 7.1 (1.4) 5.6 (1.3)
 Other, % 4.2 (1.0) 3.2 (1.2) 5.1 (1.6)

Education Background
 Less than high school, % 3.1 (0.7) 3.9 (1.2) 2.3 (0.7)
 High school diploma/some college, % 50.3 (2.0) 49.5 (2.7) 51.2 (2.8)
 College/graduate school, % 46.6 (2.0) 46.7 (2.7) 46.5 (2.8)

Income Level
 Less than $25,000, % 12.2 (1.2) 13.9 (1.6) 10.6 (1.7)
 From $25,000 up to $75,000, % 45.0 (2.0) 49.3 (2.8) 40.8 (2.7)
 More than $75,000, % 42.8 (2.0) 36.9 (2.8) 48.6 (2.9)

Note: All values were weighted to account for the complex sampling design. Values in parenthesis represent standard errors unless otherwise indicated. Hispanics were the predominant ethnicity in this ‘Other’ category (2.7% of overall sample) but there was insufficient data to produce generalizable results.