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. Author manuscript; available in PMC: 2015 May 5.
Published in final edited form as: JAMA Intern Med. 2015 May 1;175(5):777–783. doi: 10.1001/jamainternmed.2014.5466

Table.

Characteristics of US Adults 18 Years or Older According to Apple vs Non–Apple Eater Statusa

Characteristic Persons, %b P Valued
Apple Eater
(n = 753)c
Non–Apple Eater
(n = 7646)
Americans, No. (in millions) 19.3 207.2
Sociodemographic Characteristics
Mean age, y 47.8 46.6 .20
Sex
  Male 49.1 49.2 .98
  Female 50.9 50.8
Race or ethnicity
  Non-Hispanic white 65.7 73.3 <.001
  Non-Hispanic black 7.0 9.6
  Mexican American 12.5 7.4
  Other, multiple races 14.8 9.7
Educational attainment
≤High school 37.3 42.6 <.001
  Some college 26.1 29.9
≥College 36.6 27.5
Marital status
  Married or living with partner 66.4 65.4 .31
  Divorced, separated, or widowed 15.4 18.2
  Never married 18.2 16.4
Annual family income, $
  <35 000 33.8 35.5 .74
  35 000–74 999 31.2 31.7
  ≥75 000 35.0 32.9
Health-Related Characteristics
Body mass indexe
  Reference range (<25.0) 34.1 32.0 .10
  Overweight (≥25.0 to <30.0) 36.4 33.6
  Obese (≥30.0) 29.5 34.6
Self-reported health status
  Excellent, very good, or good 85.3 83.2 .36
  Fair or poor 14.7 16.8
Smoking status
  None 64.3 53.8 <.001
  Current 13.5 20.7
  Former 22.3 25.6
Health insurance
  Private 51.9 50.8 .47
  Public 28.5 30.5
  Uninsured 19.6 18.7
a

All summary statistics, which are weighted using complex survey design, represent national estimates. Sample is restricted to study participants who reported the quantity of food in the 24-h dietary recall period as being representative of their usual diet.

b

Values are presented as percentage of persons unless otherwise indicated.

c

Apple eating was defined as consuming the equivalent of at least 1 small apple (149 g of raw apple) during the 24-hour dietary recall period.

d

t Test used to compare means and χ2 test used to compare proportions.

e

Calculated as weight in kilograms divided by height in meters squared.