Table 2 Regression models assessing the impact of wine glass size on volume of wine solda
From: Does wine glass size influence sales for on-site consumption? A multiple treatment reversal design
Bar & Restaurant Estimate (95 % CI) [p-value] | Bar Estimate (95 % CI) [p-value] | Restaurant Estimate (95 % CI) [p-value] | |
|---|---|---|---|
Modelling of the mean (identity link): | |||
(Intercept) | 4.027 (2.644; 5.411) [<0.001]*** | 3.869 (2.295; 5.443) [<0.001]*** | 5.027 (3.402; 6.652) [<0.001]*** |
Busyness level (log) | 0.815 (0.623; 1.008) [<0.001]*** | 0.774 (0.539; 1.009) [<0.001]*** | 0.677 (0.422; 0.931) [<0.001]*** |
Monday | −0.044 (−0.143; 0.056) [0.389] | −0.025 (−0.188; 0.139) [0.767] | −0.149 (−0.298; 0.000) [0.052]. |
Tuesday | −0.113 (−0.199;-0.028) [0.011]* | −0.202 (−0.337;-0.066) [0.005]** | −0.102 (−0.219; 0.015) [0.092]. |
Wednesday | 0.014 (−0.082; 0.110) [0.777] | 0.040 (−0.070; 0.150) [0.481] | −0.063 (−0.218; 0.091) [0.423] |
Thursday | −0.002 (−0.114; 0.110) [0.973] | 0.003 (−0.147; 0.154) [0.965] | −0.059 (−0.238; 0.120) [0.522] |
Friday | 0.134 (0.024; 0.244) [0.019]* | 0.071 (−0.128; 0.271) [0.486] | 0.283 (0.167; 0.398) [<0.001]*** |
Saturday | 0.177 (0.049; 0.304) [0.008]** | 0.231 (0.049; 0.414) [0.015]* | 0.309 (0.171; 0.448) [<0.001]*** |
Sunday | −0.166 (−0.246;-.085) [<0.001]*** | −0.119 (−0.234;-0.004) [0.045]* | −0.219 (−0.345;-0.093) [0.001]*** |
Small glass | −0.021 (−0.108; 0.066) [0.632] | 0.058 (−0.068; 0.184) [0.367] | −0.087 (−0.201; 0.028) [0.143] |
Large glass | 0.090 (0.019; 0.161) [0.015]* | 0.134 (0.033; 0.236) [0.011]* | 0.079 (−0.025; 0.183) [0.140] |
Temperature | −0.009 (−0.017;-0.001) [0.023]* | −0.017 (−0.028;-0.007) [0.002]** | −0.005 (−0.015; 0.005) [0.310] |
Modelling of the variance (log link): | |||
(Intercept) | −1.560 (−1.753;-.367) [<0.001]*** | −1.123 (−1.328;-.919) [<0.001]*** | −1.222 (−1.415;-.029) [<0.001]*** |
Small glass | −0.053 (−0.408; 0.301) [0.769] | −0.111 (−0.466; 0.243) [0.540] | −0.179 (−0.527; 0.168) [0.315] |
Large glass | −0.638 (−0.996;-0.279) [0.001]*** | −0.745 (−1.156;-0.333) [0.001]*** | −0.451 (−0.809;-0.093) [0.015]* |
Monday | −0.358 (−0.705;-0.010) [0.047]* | −0.038 (−0.375; 0.298) [0.823] | 0.051 (−0.287; 0.390) [0.767] |
Tuesday | −0.071 (−0.395; 0.253) [0.670] | 0.160 (−0.178; 0.497) [0.356] | −0.193 (−0.525; 0.139) [0.258] |
Wednesday | 0.145 (−0.181; 0.471) [0.386] | −0.257 (−0.614; 0.099) [0.160] | 0.325 (−0.003; 0.652) [0.055]. |
Thursday | 0.431 (0.102; 0.760) [0.012]* | 0.325 (−0.008; 0.658) [0.059]. | 0.510 (0.186; 0.834) [0.003]** |
Friday | 0.099 (−0.246; 0.443) [0.576] | 0.464 (0.116; 0.811) [0.010]* | −0.172 (−0.516; 0.172) [0.329] |
Saturday | −0.319 (−0.656; 0.018) [0.067]. | −0.613 (−0.956;-0.270) [0.001]*** | −0.491 (−0.818;-0.164) [0.004]** |
Sunday | 0.073 (−0.302; 0.447) [0.705] | −0.039 (−0.415; 0.336) [0.838] | −0.029 (−0.392; 0.334) [0.875] |