Study Arm | 1 | 2 | 3 | 4 | 5 | 6 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Intervention Components | ||||||||||||
Cash Back % | 10% | 10% | 10% | 25% | 10 + 15%NET | 10 + 15%NET | ||||||
Weekly Text Message | None | Generic | Personalized | Personalized | Personalized | Personalized | p-values | |||||
Monthly Text Message | Standard | Standard | Standard | Standard | Standard | Unbundled | 1v 2 | 1 v 3 | 2 v 3 | 3 v 4 | 4 v 5 | 5 v 6 |
Outcomes | ||||||||||||
% Healthy Spending | 24.8 (11.4) | 26.8 (12.9) | 24.9 (11.7) | 25.7 (11.5) | 25.9 (12.7) | 26.5 (13.0) | 0.093 | 0.652 | 0.032 | 0.213 | 0.880 | 0.572 |
% Unhealthy Spending | 24.4 (20.1) | 21.7 (17.2) | 22.4 (17.7) | 21.7 (17.1) | 23.9 (19.9) | 22.3 (19.1) | 0.031 | 0.121 | 0.547 | 0.514 | 0.121 | 0.039 |
% Healthy Items | 27.8 (12.5) | 30.2 (13.9) | 28.4 (12.7) | 29.5 (12.8) | 28.9 (13.6) | 30.0 (14.5) | 0.063 | 0.971 | 0.067 | 0.211 | 0.545 | 0.365 |
% Unhealthy Items | 29.4 (19.8) | 26.6 (17.5) | 27.2 (17.7) | 26.3 (17.2) | 28.5 (19.8) | 26.9 (19.2) | 0.028 | 0.106 | 0.561 | 0.389 | 0.148 | 0.068 |