Table 3.
Demographics and shopping patterns of store customers who participated in exit interviews in Chelsea, MA, USA, June 2013–April 2014
| Intervention store customers (n 295) | Control store customers (n 280) | P value (unadjusted) | P value (adjusted†) | |
|---|---|---|---|---|
| Male (%) | 47 | 43 | 0·31 | 0·85 |
| Age category (%) | ||||
| 18–39 years | 55 | 56 | 0·75 | 0·97 |
| 40–59 years | 37 | 38 | ||
| ≥60 years | 8 | 6 | ||
| Hispanic/Latino ethnicity (%) | 82 | 92 | 0·001 | 0·29 |
| No. of adults in household | ||||
| Mean | 2·0 | 2·4 | <0·001 | 0·93 |
| sd | 1·4 | 1·4 | ||
| No. of children in household | ||||
| Mean | 1·2 | 1·6 | <0·001 | 0·71 |
| sd | 1·3 | 1·2 | ||
| Lives within three blocks of store (%) | 79 | 88 | 0·005 | 0·79 |
| Reasons for visiting store (%) | ||||
| Groceries | 36 | 64 | <0·001 | <0·001 |
| Snack | 21 | 13 | 0·017 | 0·002 |
| Beverage | 20 | 17 | 0·44 | 0·23 |
| Lottery ticket or cigarettes | 21 | 7 | <0·001 | <0·001 |
| Household goods | 2 | 4 | 0·16 | 0·16 |
| Other | 16 | 6 | <0·001 | 0·004 |
| Frequency of visiting store (%) | ||||
| >5 times per week | 38 | 42 | 0·001 | 0·99 |
| 1–2 times per week | 45 | 51 | ||
| Once per month | 13 | 5 | ||
| First time at store | 5 | 2 | ||
†
P value adjusted for propensity score assessing the likelihood that a respondent shopped at intervention v. control store as a function of: age, sex, Latino ethnicity, numbers of adults and children at home, residence within three blocks of the store and frequency of shopping at the store.