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. 2019 Oct 1;141:104304. doi: 10.1016/j.appet.2019.05.035

Table 3.

Primary analysis of total daily energy purchased.

Calories
95%CI p Pre-Intervention Mean
% Change
95% CI
M (SD) Daily Calories Post-intervention
Overall model
Modelling of the mean (identity link):
(Intercept) 43742.9 (8625.1) (33982.9, 53502.9) <0.0001
Day relative to intervention 125.0 (107.9) (2.9, 247.1) 0.0458
Transactions 376.7 (7.0) (368.8, 384.5) <0.0001
Week day (Ref = Monday) (-2213.9, 8462.6)
Tuesday 3124.4 (4717.5) 0.2525
Wednesday −4084.109 (4443.1) (-9111.9, 943.7) 0.1127
Thursday 8091.4 (4652.6) (2826.5, 13356.2) 0.0029
Friday 4721.3 (5865.9) (-1916.5, 11359.1) 0.1646
Temperature −1524.5 (585.5) (-2187.0, −862.0) <0.0001
Special Event −18313.4 (12497.0) (-32454.8, −4171.9) 0.0118
Intervention −2410.2 (5992.6) (-9191.3, 4371.0) 0.4867 374551.9 −0.6% (-2.5%, 1.2%)



Modelling of the variance (log link):
(Intercept) 11.155 (0.198) (10.931, 11.379) <0.0001
Week day (Ref = Monday)
Tuesday 0.092 (0.239) (-0.179, 0.363) 0.5052
Wednesday −0.015 (0.181) (-0.220, 0.189) 0.8842
Thursday 0.017 (0.225) (-0.237, 0.272) 0.8934
Friday 0.359 (0.259) (0.066, 0.652) 0.0172
Site (Ref = Site 1)
Site 2 −2.114 (0.201) (-2.342, −1.886) <0.0001
Site 3 −1.532 (0.213) (-1.772, −1.291) <0.0001



By-site
Modelling of the mean (identity link):
(Intercept) 39965.7 (4569.9) (29612.6, 50318.9) <0.0001
Day relative to intervention 73.0 (64.5) (-44.6, 190.6) 0.224766
Transactions 376.9 (8.0) (363.1, 390.7) <0.0001
Week day (Ref = Monday)
Tuesday 2320.3 (1498.1) (-3148.7, 7789.4) 0.406505
Wednesday −4615.0 (3340.7) (-9762.9, 532.9) 0.080204
Thursday 7701.1 (10391.2) (2267.7, 13134.5) 0.005912
Friday 4342.4 (2886.6) (-2439.8, 11124.6) 0.210756
Temperature −1287.7 (364.1) (-1975.8, −599.6) 0.000303
Special Event −13141.4 (717572.0) (-28184.6, 1901.9) 0.088184
Intervention:
Site 1 −3896.2 (6482.3) (-38047.7, 30255.3) 0.29893 927358.1 −0.4% (-1.2%, 0.4%)
Site 2 444.3 (5543.2) (-6244.5, 7133.1) 0.88971 130320.0 0.3% (-4.5%, 5.1%)
Site 3 −4891.8 (5287.4) (-13340.6, 3557.1) 0.11040 65977.7 −7.4% (-16.5%, 1.7%)



Modelling of the variance (log link):
(Intercept) 11.264 (0.293) (10.959, 11.569) <0.0001
Week day (Ref = Monday)
Tuesday 0.131 (0.269) (-0.144, 0.407) 0.351
Wednesday −0.016 (0.253) (-0.327, 0.294) 0.918
Thursday 0.037 (0.314) (-0.240, 0.314) 0.794
Friday 0.339 (0.296) (0.029, 0.649) 0.033
Intervention:
Site 1 −0.194 (0.285) (-0.515, 0.127) 0.238
Site 2 −0.046 (0.278) (-0.411, 0.318) 0.803
Site 3 0.057 (0.284) (-0.290, 0.404) 0.748
Site (Ref = Site 1)
Site 2 −2.202 (0.354) (-2.586, −1.818) <0.0001
Site 3 −1.674 (0.321) (-2.035, −1.312) <0.0001

Note. 95%CI based on the likelihood ratio test.