Table 3 Changes in drink popularity across rounds, by experimental condition
N = 414 | Drink selection | Change in drink selectiona | ||||
|---|---|---|---|---|---|---|
Round 1 (control) | Round 2 (warning label) | Round 3 (warning label + HSR icons) | Round 1 → 2 | Round 2 → 3 | Round 1 → 3 | |
% | % | % | % | % | % | |
Sugary drinks warning label condition | ||||||
SSBs | 46.5 | 29.6 | 23.9 | − 16.9 *** | − 5.7 | − 22.6 *** |
Soft drink | 12.2 | 7.5 | 5.6 | − 4.7 | − 1.9 | − 6.6 |
Energy drink | 2.8 | 2.3 | 3.3 | − 0.5 | 1.0 | 0.5 |
Sports drink | 10.8 | 6.1 | 4.7 | − 4.7 | − 1.4 | − 6.1 |
Iced tea | 20.7 | 13.6 | 10.3 | − 7.1 | − 3.3 | − 10.4 |
Juice | 16.4 | 12.2 | 13.6 | − 4.2 | 1.4 | − 2.8 |
NSSBs | 29.1 | 40.8 | 43.7 | 11.7 ** | 2.9 | 14.6 *** |
No-sugar soft drink | 10.3 | 16.9 | 13.6 | 6.6 | − 3.3 | 3.3 |
No-sugar energy drink | 2.3 | 2.8 | 5.6 | 0.5 | 2.8 | 3.3 |
No-sugar sports drink | 4.7 | 8.0 | 7.5 | 3.3 | − 0.5 | 2.8 |
No-sugar iced tea | 11.7 | 13.1 | 16.9 | 1.4 | 3.8 | 5.2 |
Water | 8.0 | 17.4 | 18.8 | 9.4 ** | 1.4 | 10.8 *** |
Sugary drinks plus NSSB warning label condition | ||||||
SSBs | 37.8 | 31.8 | 26.4 | − 6.0 | − 5.4 | − 11.4 ** |
Soft drink | 10.9 | 5.0 | 6.0 | − 5.9 | 1.0 | − 4.9 |
Energy drink | 2.0 | 1.5 | 1.5 | − 0.5 | 0.0 | − 0.5 |
Sports drink | 6.5 | 5.5 | 5.5 | − 1.0 | 0.0 | − 1.0 |
Iced tea | 18.4 | 19.9 | 13.4 | 1.5 | − 6.5 | − 5.0 |
Juice | 15.4 | 10.4 | 13.9 | − 5.0 | 3.5 | − 1.5 |
NSSBs | 36.3 | 40.3 | 41.3 | 4.0 | 1.0 | 5.0 |
No-sugar soft drink | 10.0 | 11.4 | 10.0 | 1.4 | − 1.4 | 0.0 |
No-sugar energy drink | 4.0 | 4.0 | 5.5 | 0.0 | 1.5 | 1.5 |
No-sugar sports drink | 8.5 | 8.0 | 7.5 | − 0.5 | − 0.5 | − 1.0 |
No-sugar iced tea | 13.9 | 16.9 | 18.4 | 3.0 | 1.5 | 4.5 |
Water | 10.4 | 17.4 | 16.4 | 7.0 * | − 1.0 | 6.0 * |