Table 1.
Baseline characteristics of 201 adults participating in a randomized mobile market intervention in North Carolina.
| Variable | Entire Sample (N=201) |
Intervention (n=113) |
Control (n=88) |
p-valuek |
|---|---|---|---|---|
|
| ||||
| Gender, n (%) | 0.17 | |||
| Male | 14 (7.0) | 12 (10.6) | 2 (2.3) | |
| Female | 187 (93.0) | 101 (89.4) | 86 (97.7) | |
|
| ||||
| Age, mean (SDa)b | 45.2 (13.6) | 45.8 (14.2) | 44.4 (12.6) | 0.61 |
|
| ||||
| Number of Adults in Household, mean (SD) | 2.0 (1.1) | 2.0 (1.3) | 1.9 (0.9) | 0.79 |
|
| ||||
| Number of Children in Household, mean (SD) | 2.2 (1.3) | 2.2 (1.4) | 2.2 (1.1) | 0.84 |
|
| ||||
| Hispanic/Latino, n (%)c | 9 (4.5) | 7 (6.3) | 2 (2.3) | 0.33 |
|
| ||||
| Race, n (%)d | 0.70 | |||
| Black/African American | 123 (61.1) | 70 (63.1) | 53 (60.9) | |
| White | 66 (33.3) | 35 (31.5) | 31 (35.6) | |
| Asian | 1 (0.5) | 1 (0.9) | 0 (0) | |
| American Indian | 1 (0.5) | 1 (0.9) | 0 (0) | |
| Other | 3 (1.5) | 1 (0.9) | 2 (2.3) | |
| More than one race | 4 (2.0) | 3 (2.7) | 1 (1.2) | |
|
| ||||
| Marital Status, n (%)e | 0.18 | |||
| Married | 66 (33.0) | 34 (30.4) | 32 (36.4) | |
| Never Married | 94 (47.0) | 54 (48.2) | 40 (45.5) | |
| Divorced/Separated | 29 (14.5) | 16 (14.3) | 13 (14.7) | |
| Widowed | 11 (5.5) | 8 (7.1) | 3 (3.4) | |
|
| ||||
| Education, % | 0.14 | |||
| Less than College | 74 (36.8) | 48 (42.5) | 26 (29.6) | |
| Some College | 50 (24.9) | 28 (24.8) | 22 (25.0) | |
| College Graduate | 40 (19.9) | 18 (15.9) | 22 (25.0) | |
| More than college | 37 (18.4) | 19 (16.8) | 18 (20.4) | |
|
| ||||
| Household Income, %f | 0.29 | |||
| <$10,000 | 38 (21.0) | 27 (27.0) | 11 (13.6) | |
| $10,000–29,999 | 58 (32.0) | 33 (33.0) | 25 (30.9) | |
| $30,000–49,999 | 41 (22.7) | 17 (17.0) | 24 (29.6) | |
| $50,000 or more | 44 (24.3) | 23 (23.0) | 21 (25.9) | |
|
| ||||
| Body Mass Index, mean (SD)g | 31.3 (7.7) | 31.1 (7.6) | 31.1 (7.6) | 0.73 |
|
| ||||
| Receiving Government Assistance, n (%) | 0.96 | |||
| No | 77 (38.3) | 43 (38.1) | 34 (38.6) | |
| Yes | 124 (61.7) | 70 (61.9) | 54 (61.4) | |
| SNAP h | 68 (34.3) | 37 (33.0) | 31 (36.0) | |
| WIC i | 36 (18.2) | 16 (14.3) | 20 (23.3) | |
| Free/reduced price lunch | 62 (31.3) | 37 (33.0) | 25 (29.1) | |
| Medicaid | 90 (45.5) | 55 (49.1) | 35 (40.7) | |
| TANFj | 7 (3.5) | 6 (5.4) | 1 (1.2) | |
|
| ||||
| Fruit and Vegetable Cups/Day, mean (SD) | 3.4 (2.5) | 3.3 (2.2) | 3.5 (2.9) | 0.49 |
|
| ||||
| Added Sugars Cups/Day, mean (SD) | 2.1 (2.2) | 2.4 (2.6) | 1.8 (1.4) | 0.08 |
|
| ||||
| Food Stores within 1 mile, mean (SD) | ||||
| Convenience Stores | 4.3 (4.3) | 4.6 (4.2) | 3.9 (4.4) | 0.60 |
| Grocery Stores | 1.0 (1.6) | 1.0 (1.7) | 0.9 (1.4) | 0.93 |
| Supermarkets | 0.9 (1.0) | 0.9 (0.9) | 0.9 (1.0) | 0.95 |
| Supercenters | 0.1 (0.4) | 0.1 (0.3) | 0.2 (0.5) | 0.23 |
SD= standard deviation
Age n=199; data were missing from two participants from the control group.
Hispanic/Latino n= 199; data were missing from one participant from the intervention group and one participant from the control group.
Race n=198; data were missing from two participants from the intervention group and one participant from the control group.
Marital Status n=200; data were missing from one participant from the intervention group.
Income n=181; data were missing from 13 participants from the intervention group and seven participants from the control group.
BMI n= 186; data were missing from five participants in the intervention group and 10 participants from the control group.
SNAP= Supplemental Nutrition Assistance Program or “Food Stamps”
WIC= Special Supplemental Nutrition Program for Women, Infants and Children
TANF=Temporary Assistance for Needy Families
p-values presented for between group differences adjusted for clustering by site