Table 4.
Individual variable and composite scores by store type
| Variable |
Premium supermarket |
Large supermarket |
Discount supermarket |
Small supermarket |
‘World’ store |
Convenience store |
Petrol store |
Possible rangef |
|
|
|---|---|---|---|---|---|---|---|---|---|---|
| Median (IQR)d | Min | Max | p-value | |||||||
|
Composite score |
1.7 |
1.7 |
0.3 |
0.9 |
-.04 |
-0.6 |
-0.9 |
-1.9 |
2.2 |
<0.001a |
| (1.2 to 1.8) |
(1.5 to 1.9) |
(0.1 to 1.0) |
(0.6 to 1.1) |
(-1.1 to 0.3) |
(-1.0 to 0.2) |
(-1.2 to -0.2) |
||||
| Variety |
8 |
8 |
-8 |
-6 |
-2 |
-9 |
-7 |
-25 |
35 |
<0.001a |
| (7 to 8) |
(6 to 9) |
(-10 to 1) |
(-8 to -2) |
(-5 to 0) |
(-11 to -7) |
(-8 to -5) |
||||
| Price |
0.03 |
-0.03 |
-0.01 |
0.02 |
0.04 |
0.03 |
0.02 |
Higher score is more healthful |
0.002a |
|
| (0 to 0.05) |
(-0.04 to -0.01) |
(-0.04 to 0.01) |
(0.01 to 0.05) |
(-0.12 to 0.1) |
(-0.06 to 0.08) |
(-0.21 to 0.1) |
||||
| Promotions |
0.5 |
0 |
-1 |
-1 |
0 |
-1 |
-1 |
-5 |
7 |
<0.001a |
| (-1 to 1) |
(-1 to 1) |
(-3 to 0) |
(-2 to -1) |
(-0.4 to 0) |
(-1 to 0) |
(-1 to 0) |
||||
| Shelf placement |
5 |
7 |
7 |
5 |
0 |
-3 |
-5 |
-15 |
21 |
<0.001a |
| (4 to 7) |
(5 to 9) |
(4 to 9) |
(4 to 7) |
(-3 to 4) |
(-6 to 3) |
(-6 to 1) |
||||
| Store placement |
4 |
4 |
4 |
4 |
1 |
-4 |
-4 |
-15 |
21 |
<0.001a |
| (4 to 5) |
(4 to 5) |
(3 to 5) |
(3 to 4) |
(-4 to 5) |
(-6 to 2) |
(-6 to 1) |
||||
| Quality |
17 |
17 |
17 |
17 |
5 |
5 |
0 |
0 |
18 |
<0.001b |
| (17 to 17) |
(16 to 18) |
(15 to 18) |
(15 to 17) |
(0 to 10) |
(0 to 13) |
(0 to 8) |
||||
| Healthier alternative |
4 |
5 |
2 |
3 |
0 |
1 |
1 |
0 |
5 |
<0.001b |
| (4 to 5) |
(5 to 5) |
(2 to 3) |
(2 to 3) |
(0 to 1) |
(1 to 2) |
(0 to 2) |
||||
| Nutrition information |
13 |
14 |
13 |
15 |
4 |
11 |
9 |
0 |
15 |
<0.001b |
| (10 to 13) |
(12 to 15) |
(13 to 14) |
(15 to 15) |
(2 to 7) |
(9 to 13) |
(9 to 12) |
||||
| Single sale of two fruitse | 100% | 97% | 26% | 87% | 23% | 19% | 21% | 0 | 2 | <0.001c |
aOneway analysis of variance, bKruskal-Wallis test, cChi square test, dMedian and inter-quartile range (IQR) were provided for both parametric and non-parametric variables for ease of reading, ePercentage of two fruits available for single sale was provided because this variable was categorical, fPossible range of scores for each variable except composite score which shows actual range of composite score values.