From: A process evaluation of the Supermarket Healthy Eating for Life (SHELf) randomized controlled trial
Survey questions | Price reduction n = 161a % (n) | Combined n = 160a % (n) | P-value |
---|---|---|---|
Did you receive discounts on fruit and vegetables as part of this study? (implementation) | Â | Â | 0.157 |
 Yes | 84.8 (134) | 78.4 (120) |  |
 No | 5.7 (9) | 11.8 (18) |  |
 Don’t know | 9.5 (15) | 9.8 (15) |  |
If yes, did you buy more fruit and vegetables because of the discount? (effectiveness) | Â | Â | 0.474 |
 Yes | 65.4 (87) | 62.7 (74) |  |
 No | 28.6 (38) | 33.9 (40) |  |
 Don’t know | 6.0 (8) | 3.4 (4) |  |
Did you receive discounts on diet/low-calorie soft drinks or water as part of this study? (implementation) | Â | Â | 0.429 |
 Yes | 43.0 (68) | 36.8 (56) |  |
 No | 30.4 (48) | 36.8 (56) |  |
 Don’t know | 26.6 (42) | 26.3 (40) |  |
If yes, did you buy more diet/low-calorie soft drinks or water because of the discount (effectiveness) | Â | Â | 0.684 |
 Yes | 36.8 (25) | 29.1 (16) |  |
 No | 58.8 (40) | 67.3 (37) |  |
 Don’t know | 4.4 (3) | 3.6 (2) |  |
If you received discounts do you think that you bought less sugar-sweetened/full calorie soft drinks because of the discount on diet/low calorie soft drinks? (effectiveness) | Â | Â | 0.389 |
 Yes | 23.5 (16) | 21.8 (12) |  |
 No | 61.8 (42) | 70.9 (39) |  |
 Don’t know | 14.7 (10) | 7.3 (4) |  |
Please indicate how much you liked or disliked the discounts you were offered (implementation) | Â | Â | 0.457 |
 5 I liked the discounts very much | 68.8 (108) | 65.1 (99) |  |
 4 | 10.8 (17) | 7.9 (12) |  |
 3 | 7.6 (12) | 9.9 (15) |  |
 2 | 1.9 (3) | 1.3 (2) |  |
 1 I did not like the discounts | 3.2 (5) | 2.0 (3) |  |
Did not receive | 7.6 (12) | 21 (13.8) | Â |
If you received discounts, did you use the ‘supermarket items included in our 20 % price discount’ handout we gave you to help you work out your discount? (implementation) |  |  | 0.193 |
 Yes | 53.1 (77) | 45.8 (60) |  |
 No | 33.1 (48) | 43.5 (57) |  |
 Don’t know | 13.8 (20) | 10.7 (14) |  |
If you received discounts did you buy things for others using your discount? (reach) | Â | Â | 0.450 |
 Yes | 13.8 (20) | 11.5 (15) |  |
 No | 83.5 (121) | 87.8 (115) |  |
 Don’t know | 2.8 (4) | 0.8 (1) |  |