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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: J Acad Nutr Diet. 2015 Jul 29;115(12):1996–2002. doi: 10.1016/j.jand.2015.06.010

Table 1.

Characteristics of participants by region of residence among US adults, based on data from the National Health Interview Survey, 2010

Characteristic All Percentage of Distribution by Region of Residence
Northeast (n = 4,063) Midwest (n = 5,602) South (n = 9,313) West (n = 6,453) P valuea
←———%b ±standard error———→
Total sample (n = 25,431) 100 17.6±0.5 23.2±0.5 35.5±0.6 23.7±0.6
Age (y) (n = 25,431) 0.0008
18–24 13.1±0.3 15.7±1.0 23.9±1.3 35.3±1.4 25.1±1.1
25–39 26.4±0.4 16.0±0.8 22.6±0.7 35.5±0.8 25.8±0.8
40–59 36.2±0.4 18.2±0.7 23.6±0.7 35.2±0.9 23.0±0.7
≥60 24.3±0.4 19.4±0.8 22.7±0.8 35.9±1.0 21.9±0.9
Sex (n = 25,431) 0.91
Male 48.2±0.4 17.6±0.6 23.1±0.7 35.3±0.7 24.0±0.7
Female 51.8±0.4 17.6±0.5 23.3±0.5 35.7±0.7 23.5±0.6
Race/ethnicity (n = 25,431) <0.0001
White, non-Hispanic 68.2±0.5 19.1±0.6 27.7±0.7 32.9±0.8 20.3±0.7
Black, non-Hispanic 11.5±0.3 15.2±1.0 17.7±1.1 58.4±1.5 8.7±0.7
Hispanic 14.0±0.3 13.1±0.7 8.6±0.7 35.3±1.1 43.0±1.2
Other/multiracial 6.3±0.2 16.0±1.2 16.1±1.5 22.6±1.6 45.3±1.9
Marital status (n = 25,391) 0.033
Married/domestic partnership 61.4±0.4 17.0±0.6 23.9±0.6 35.2±0.8 24.0±0.6
Not marriedc 38.6±0.4 18.5±0.6 22.1±0.6 36.0±0.7 23.4±0.7
Education level (n = 25,337) <0.0001
<High school 14.3±0.3 14.7±0.7 19.5±1.0 39.8±1.2 25.9±1.1
High school/general education development diploma 26.7±0.4 19.1±0.7 24.8±0.8 37.1±0.8 19.0±0.8
Some college 30.7±0.4 15.4±0.8 25.0±0.8 33.8±0.8 25.7±0.8
College graduate or additional education 28.4±0.5 19.9±0.8 21.5±0.9 33.7±1.1 24.9±0.9
Annual family income ($) (n = 25,431) <0.0001
<35,000 32.3±0.5 15.5±0.6 23.0±0.8 39.3±0.8 22.2±0.9
35,000–74,999 30.9±0.4 15.6±0.7 24.8±0.7 36.2±0.9 23.5±0.8
75,000–99,999 11.6±0.3 18.2±1.1 24.7±1.4 33.1±1.3 24.0±1.2
≥100,000 19.9±0.5 22.5±1.2 19.9±1.2 30.3±1.4 27.2±1.2
Do not know/refused/missing 5.3±0.2 22.3±1.7 23.6±1.7 33.3±1.8 20.8±1.3
a

χ2 tests were used for each variable to examine differences across categories.

b

Because of rounding, weighted percentages may not add up to 100%.

c

Widowed, divorced, separated, or never married.