Table 4.
Comparison of outcomes applicable only between swaps alone and combined groups
| Swaps | Combined | Median difference (95% CI) | |||
|---|---|---|---|---|---|
| Median (IQR) | n | Median (IQR) | n | ||
| % swaps accepted out of swaps offered | |||||
| total | 14.3 (0–28.57) | 279 | 0.0 (0–25) | 273 | 14.29 (0 to 2.78) |
| High SFA changea | 23.5 (14.3–37.5) | 167 | 33.3 (20–50) | 99 | − 9.80 (− 13.33 to − 4.17) |
| Low SFA changea | 0.0 (0–0) | 112 | 0.0 (0–0) | 174 | 0.00 (0 to 0) |
| Cheese | 0.0 (0–100) | 279 | 0.0 (0–0) | 273 | 0.00 (0 to 0) |
| Butter, margarine, spreads | 0.0 (0–50) | 279 | 0.0 (0–0) | 273 | 0.00 (0 to 0) |
| Sweets and desserts | 0.0 (0–33.33) | 279 | 0.0 (0–20) | 273 | 0.00 (0 to 0) |
| Milk | 0.0 (0–0) | 279 | 0.0 (0–0) | 273 | 0.00 (0 to 0) |
| Meat | 0.0 (0–0) | 279 | 0.0 (0–0) | 273 | 0.00 (0 to 0) |
| % of accepted swaps out of total number of basket items | 20.0 (15.4–27.27) | 105 | 18.2 (14.9–22.44) | 32 | 1.82 (− 1.39 to 4.78) |
SFA Saturated fat. aproportion of swaps accepted out of those offered by median observed change in SFA (high SFA change vs low SFA change). The majority of participants were offered a maximum of one swap per product category, as they were intrusted to buy only one product. Therefore, the percentage of swaps accepted out of those offered would have a value of either 0% or 100% in most cases. There was more variation in desserts, as participants bought more than one desserts