Percentage of refrigerated drinks on display, by traffic light classification at each audit time point, in 44 facilities
| Drink type | Audit time point* | Facilities audited | Percentage on display† | Change in percentage on display† | ||||
| n | % | Mean | (95% CI) | β | (95% CI) | P value | ||
| ‘Red’ | 0 months | 43 | 98 | 30.2 | (22.9 to 37.5) | Ref | ||
| 6 months | 44 | 100 | 18.0 | (12.4 to 23.6) | −12.3 | (−18.0 to −6.53) | <0.001 | |
| 12 months | 41 | 92 | 14.7 | (9.72 to 19.6) | −15.6 | (−21.2 to −9.99) | <0.001 | |
| 18 months | 30 | 68 | 13.2 | (6.55 to 19.8) | −17.1 | (−23.9 to −10.3) | <0.001 | |
| ‘Amber’ | 0 months | 43 | 98 | 22.4 | (16.8 to 27.9) | Ref | ||
| 6 months | 44 | 100 | 22.1 | (17.5 to 26.7) | −0.28 | (−4.70 to 4.14) | 0.902 | |
| 12 months | 41 | 92 | 18.9 | (14.3 to 23.6) | −3.43 | (−8.24 to 1.38) | 0.162 | |
| 18 months | 30 | 68 | 24.6 | (19.0 to 30.2) | 2.24 | (−3.25 to 7.72) | 0.424 | |
| ‘Green’ | 0 months | 43 | 98 | 47.2 | (39.7 to 54.6) | Ref | ||
| 6 months | 44 | 100 | 60.5 | (54.3 to 66.7) | 13.4 | (7.93 to 18.8) | <0.001 | |
| 12 months | 41 | 92 | 66.3 | (60.4 to 72.2) | 19.2 | (12.9 to 25.4) | <0.001 | |
| 18 months | 30 | 68 | 63.3 | (57.2 to 69.4) | 16.1 | (9.30 to 22.9) | <0.001 | |
*Fewer audits were conducted at the 18-month time point due to some project officer contracts ending, and COVID-19-related shutdowns of sporting facilities from March 2020 meaning audits after that time were not included for analysis.
†Adjusted for season, seasonality of facility and outlet type.