Ratio of geometric means (95% confidence intervals) | ||||
---|---|---|---|---|
Variable | Level | Model 1a | Model 2b | Model 3c |
Checkout food policy (ref = none) | Vague or inconsistent | 0.96 (0.87;1.06) | 1.07 (0.90;1.27) | 1.06 (0.89;1.27) |
Clear & consistent | 0.86 (0.78;0.96) | 1.16 (0.96;1.41) | 0.79 (0.65;0.96) | |
Year (ref = 2013) | 2014 | 0.97 (0.90;1;04) | 1.01 (0.93;1.09) | 0.97 (0.89;1.06) |
2015 | 1.06 (0.98;1.14) | 1.13 (1.03;1.24) | 1.07 (0.97;1.18) | |
2016 | 1.10 (1.01;1.20) | 1.20 (1.09;1.32) | 1.11 (1.00;1.24) | |
2017 | 1.12 (1.03;1.22) | 1.19 (1.08;1.32) | 1.13 (1.01;1.26) | |
Supermarket shopper mean age (years) | 1.02 (0.92;1.12) | 1.00 (0.90;1.11) | 1.01 (0.91;1.11) | |
Supermarket shopper mean social grade (5 = most affluent) | 0.48 (0.15;1.50) | 0.39 (0.11;1.34) | 0.36 (0.11;1.21) | |
Age (ref = <27y) | 28-34y | 1.26 (1.11;1.43) | ||
35-44y | 1.90 (1.67;2.17) | |||
45-54y | 2.22 (1.95;2.52) | |||
55-64y | 2.08 (1.82;2.37) | |||
>64y | 1.83 (1.60;2.08) | |||
Checkout food policy * age (ref = Vague or inconsistent, all age groups) | Vague or inconsistent, <28y | 1.07 (0.90;1.27) | ||
Vague or inconsistent, 28-34y | 1.08 (0.91;1.28) | |||
Vague or inconsistent, 35-44y | 1.01 (0.85;1.20) | |||
Vague or inconsistent, 45-54y | 0.99 (0.83;1.17) | |||
Vague or inconsistent, 55-64y | 0.97 (0.82;1.15) | |||
Vague or inconsistent, >64y | 0.86 (0.72;1.01) | |||
Checkout food policy * age (ref = Clear & consistent, all age groups) | Clear & consistent, <28y | 1.16 (0.96;1.41) | ||
Clear & consistent, 28-34y | 1.06 (0.88;1.29) | |||
Clear & consistent, 35-44y | 0.86 (0.71;1.05) | |||
Clear & consistent, 45-54y | 0.77 (0.64;0.94) | |||
Clear & consistent, 55-64y | 0.80 (0.66;0.98) | |||
Clear & consistent, >64y | 0.77 (0.63;0.93) | |||
Social grade (ref = AB) | C1 | 1.12 (0.98;1.28) | ||
C2 | 0.91 (0.80;1.04) | |||
D | 0.99 (0.87;1.13) | |||
E | 1.00 (0.87;1.13) | |||
Checkout food policy * social grade (ref = Vague or inconsistent, all social grade groups) | Vague or inconsistent, AB | 1.06 (0.89;1.27) | ||
Vague or inconsistent, C1 | 0.94 (0.79;1.12) | |||
Vague or inconsistent, C2 | 1.03 (0.87;1.23) | |||
Vague or inconsistent, D | 0.96 (0.81;1.15) | |||
Vague or inconsistent, E | 0.84 (0.71;1.01) | |||
Checkout food policy * social grade (ref = Clear & consistent, all social grade groups) | Clear & consistent, AB | 0.79 (0.65;0.96) | ||
Clear & consistent, C1 | 0.74 (0.61;0.91) | |||
Clear & consistent, C2 | 1.05 (0.86;1.29) | |||
Clear & consistent, D | 0.96 (0.79;1.18) | |||
Clear & consistent, E | 0.79 (0.65;0.97) |