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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Prev Med. 2017 Oct 21;106:114–121. doi: 10.1016/j.ypmed.2017.10.022

Table 1. Sociodemographic information for front-of-package nutrition label Internet study samplea.

Characteristic M (+SD) or n (col. %) df Test statistic p-valueb
Age (years, M [SD]) 43.4 (15.9) 5;1193 0.26 0.935
BMI (M [SD]) 29.1 (8.1) 5;1153 1.23 0.294
 Normal weight (<25) 412 (35.5%) 5 3.87 0.569
 Overweight/obese (>25) 747 (64.5%)
Genderc
 Female 673 (54.0%) 5 26.15 <0.001
Race/Ethnicity 15 24.57 0.056
 White, non-Hispanic 870 (70.0%)
 Black, non-Hispanic 158 (12.7%)
 Hispanic 106 (8.5%)
 Other 108 (8.7%)
Education level 20 22.60 0.309
 <High school 113 (9.1%)
 High school or GED 497 (40.1%)
 Some college, associate's 287 (23.1%)
 degree, trade school
 Bachelor's degree 227 (18.3%)
 Graduate/professional degree 117 (9.4%)
Income 25 16.25 0.907
 <$15,000 172 (13.9%)
 $15,000-$30,000 256 (20.6%)
 $30,001-$45,000 194 (15.6%)
 $45,001-$60,000 200 (16.1%)
 $60,001-$75,000 139 (11.2%)
 $75,000+ 279 (22.5%)
Married 5 1.23 0.942
 Yes 540 (43.5%)
Currently trying to lose weight 5 2.38 0.794
 Yes 639 (51.2%)
 No 608 (48.8%)
How much nutrition labels generally influence food/drink choicesd (M [SD]) 6.0 (2.5) 5;1241 0.78 0.566

Internet survey of 1,247 adults, conducted June-July 2013.

a

Table values are M+SD for continuous variables and n (column %) for categorical variables. Percentages are calculated based on the total number of participants providing data for each variable.

b

Test statistics and p-values are for univariate ANOVAs (continuous variables) or chi-squared tests (categorical variables) comparing the six front-of-package study conditions.

c

Percent female, by study condition: No Label (47.4%); Single Traffic Light (55.0%); Multiple Traffic Light (61.3%); NuVal (63.4%); Facts Up Front (46.2%); NAM 3-Star Label (46.0%)

d

Measured on a 9-point Likert scale, 1=do not influence, 9=strongly influence

df = degrees of freedom