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Table 1 Baseline characteristics of Veggie Van study Participants by intervention condition

From: Cluster randomized controlled trial of a mobile market intervention to increase fruit and vegetable intake among adults in lower-income communities in North Carolina

Variable Entire Sample Intervention Control
Gender, %
Male 4.2% 6.8% 1.5%
Female 95.8% 93.2% 98.5%
Age, mean (SD) 46.30 (14.01) 47.89 (14.89) 44.52(12.83)
Number of Adults in Household, mean (SD) 1.96 (1.17) 1.99 (1.45) 1.93 (0.78)
Number of Children in Household, mean (SD) 2.17 (1.24) 2.22 (1.40) 2.12 (1.04)
Hispanic/Latino, % 2.1% 2.7% 1.5%
Race, %
Black/African American 64.8% 68.1% 64.2%
White 31.0% 29.2% 34.3%
American Indian 0.7% 1.4% 0%
Other 1.4% 1.4% 1.5%
Marital Status, %
Married 33.3% 30.1% 36.8%
Never Married 46.8% 47.9% 45.6%
Divorced/Separated/Widowed 19.9% 21.9% 17.6%
Education, %
High School Grad or less, GED, Trade or Beauty School 32.9% 37.8% 27.3%
Some College 26.4% 25.7% 54.5%
College Graduate 20.7% 17.6% 24.2%
More than college 20.0% 18.9% 21.2%
Income, %
< 10,000 21.8% 28.6% 14.8%
10,000-29,999 32.2% 34.9% 29.6%
30,000-49,999 21.0% 14.2% 27.9%
50,000 or more 25.0% 22.2% 27.9%
BMI, mean (SD) 31.29 (7.81) 31.14 (7.85) 31.46 (7.82)
Receiving Government Assistance, %
SNAP 33.8% 29.7% 38.2%
WIC 19.0% 16.2% 22.1%
Free/reduced price lunch 30.3% 31.1% 29.4%
Medicaid 43.7% 48.6% 38.2%
TANF 3.5% 5.4% 1.5%
None 38.0% 35.1% 41.2%
  1. N = 142 (Intervention n = 74; Control n = 68) for measures of gender, number of adults in the household, number of children in the household, Hispanic/Latino; N = 140 (Intervention n = 74; Control n = 66) for age and education; N = 139 (Intervention n = 72; Control n = 67) for race; N = 141 (Intervention n = 73; Control n = 67) for marital status; N = 124 (Intervention n = 63; Control n = 61) for income; N = 131 (Intervention n = 70; Control n = 61) for BMI
  2. SD standard deviation, GED general educational development proficiency, BMI body mass index, SNAP supplemental nutrition assistance program, WIC Special Supplemental Nutrition Program for Women, Infants and Children, TANF Temporary Assistance for Needy Families