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Table 2 Comparison of the secondary outcomes between trial groups

From: Prominent positioning and food swaps are effective interventions to reduce the saturated fat content of the shopping basket in an experimental online supermarket: a randomized controlled trial

  Control Swaps Altering order Combined Swaps vs Control Altering order vs Control Combined vs Control Altering order vs Swaps Combined vs Swaps Combined vs Altering order
(n = 275) (n = 279) (n = 261) (n = 273)
% of products with < 1.5% SFA 20.4 ± 12.6 24.38 ± 13.45 30.87 ± 15.93 32.4 ± 16.15 3.98 (0.79 to 7.17) 10.47 (7.22 to 13.71) 12 (8.8 to 15.21) 6.48 (3.25 to 9.72) 8.02 (4.82 to 11.22) 1.54 (−1.71 to 4.79)
Cost, £/100 g 0.36 ± 0.12 0.37 ± 0.11 0.36 ± 0.1 0.36 ± 0.12 0.01 (− 0.01 to 0.04) 0 (−0.03 to 0.02) 0.01 (− 0.02 to 0.03) − 0.01 (− 0.04 to 0.01) −0.01 (− 0.03 to 0.02) 0.01 (− 0.02 to 0.03)
Total energy, kcal 14,467 ± 7038 14,393 ± 7923 12,448 ± 5894 12,670 ± 7574 −74 (− 1641 to 1493) −2019 (− 3612 to − 425) − 1797 (− 3372 to − 221) − 1945 (− 3532 to − 357) − 1723 (− 3292 to − 153) 222 (− 1374 to 1818)
Energy density, kcal/100 g 219.03 ± 47.52 211.12 ± 46.16 194.73 ± 45.96 190.76 ± 44.36 −7.91 (− 17.97 to 2.16) −24.3 (− 34.53 to − 14.07) −28.27 (− 38.38 to − 18.15) −16.39 (− 26.59 to − 6.2) − 20.36 (− 30.44 to − 10.28) −3.97 (− 14.22 to 6.28)
Sugar, % energy 15.42 ± 4.99 15.39 ± 4.93 17.65 ± 6.48 17.82 ± 5.84 − 0.03 (− 1.25 to 1.19) 2.23 (0.99 to 3.47) 2.39 (1.17 to 3.62) 2.27 (1.03 to 3.5) 2.43 (1.21 to 3.65) 0.16 (− 1.08 to 1.41)
Salt, g/100 g 0.15 ± 0.13 0.15 ± 0.08 0.15 ± 0.07 0.14 ± 0.06 0 (− 0.02 to 0.02) 0 (− 0.02 to 0.02) − 0.01 (− 0.03 to 0.01) 0 (− 0.02 to 0.02) − 0.01
(− 0.03 to 0.01)
−0.01 (− 0.03 to 0.01)
  1. Values are means ± SDs in the first four columns and mean differences (95% CIs) in the next six columns. SFA Saturated fat