Table 2. Purchases of healthy foods in N-PDP, B-PDP, and control conditions.
| Condition | % Difference | |||||
|---|---|---|---|---|---|---|
| Measure |
N-PDP Mean (SD) |
B-PDP Mean (SD) |
Control Mean (SD) |
N-PDP–B-PDP | N-PDP–Control | B-PDP–Control |
| Healthy Products Purchased | 0.170 (0.220) |
0.136 (0.211) |
0.114 (0.157) |
25.0 | 49.1** | 19.3 |
| Fruit & Vegetables Purchased | 0.109 (0.193) |
0.075 (0.168) |
0.068 (0.122) |
45.3 | 60.3* | 10.3 |
| Expenditures on Healthy Products | 0.151 (0.219) |
0.112 (0.189) |
0.099 (0.145) |
34.8 | 52.5* | 13.1 |
| Expenditures on Fruit & Vegetables | 0.102 (0.196) |
0.067 (0.150) |
0.063 (0.115) |
52.2 | 61.9* | 6.3 |
| N | 189 | 138 | 326 | |||
Notes: Means represent the fraction of each measure (items and expenditures on any healthy item and fruits and vegetables). Significance is calculated using pairwise t-tests with Bonferroni adjustment for multiple comparisons.
(* p<0.05; ** p<0.01).