Table 3 Cumulative linear shelf length of and variety within healthy and unhealthy foods (gold standard) in supermarkets
Chain A (n = 5 stores) | Chain B (n = 5 stores) | Chain C (n = 5 stores) | ||||
|---|---|---|---|---|---|---|
Average | Standard Deviation | Average | Standard Deviation | Average | Standard Deviation | |
Cumulative linear shelf length | ||||||
TOTAL HEALTHY shelf length (m) | 437.0 | 142.7 | 230.3 | 40.3 | 335.1 | 60.2 |
TOTAL UNHEALTHY shelf length (m) | 1151.0 | 308.6 | 909.0 | 218.3 | 1907.5 | 400.5 |
Ratio total healthy: total unhealthy shelf length | 0.38 | 0.06 | 0.27 | 0.11 | 0.18 | 0.02 |
Cumulative linear shelf length (excluding endcaps and check-outs) | ||||||
TOTAL HEALTHY shelf length (m) | 422.8 | 134.7 | 221.0 | 32.6 | 328.7 | 59.0 |
TOTAL UNHEALTHY shelf length (m) | 998.4 | 299.5 | 791.2 | 195.1 | 1666.6 | 337.1 |
Ratio total healthy: total unhealthy shelf length | 0.43 | 0.06 | 0.30 | 0.12 | 0.20 | 0.02 |
Variety 1 (including different package sizes as different products) | ||||||
TOTAL HEALTHY varieties | 675.0 | 146.6 | 550.0 | 23.9 | 712.6 | 54.1 |
TOTAL UNHEALTHY varieties | 2842.6 | 516.9 | 2093.6 | 61.8 | 2571.2 | 348.9 |
Ratio total healthy: total unhealthy varieties | 0.24 | 0.02 | 0.26 | 0.01 | 0.28 | 0.03 |
Variety 2 (excluding different package sizes as different products) | ||||||
TOTAL HEALTHY varieties | 578.6 | 134.0 | 488.4 | 21.3 | 633.2 | 58.5 |
TOTAL UNHEALTHY varieties | 2397.0 | 465.8 | 1799.0 | 65.0 | 2157.6 | 316.7 |
Ratio total healthy: total unhealthy varieties | 0.24 | 0.02 | 0.27 | 0.01 | 0.30 | 0.03 |