Measuring the healthfulness of food retail stores: variations by store type and neighbourhood deprivation

Table 5 Individual variable and composite scores by neighbourhood deprivation

Variable	Most deprived	2	3	4	Least deprived	Possible range ^e
Variable			Median (IQR) ^c			Min	Max	p-value
Composite score	0	-0.2	0.2	0.2	0.4	-1.9	2.2	0.09^a
Composite score	(-0.9 to 0.8)	(-0.9 to 0.8)	(-0.9 to 0.8)	(-0.7 to 0.8)	(-0.8 to 0.9)	-1.9	2.2	0.09^a
Variety	-7	-7	-7	-7	-7	-25	35	0.6^a
Variety	(-9 to -2.5)	(-10 to -2)	(-9 to -2)	(-8 to -4)	(-10 to -3)	-25	35	0.6^a
Price	0.02	0.03	0.02	0.03	0.02	Higher score is more healthful		0.5^a
Price	(-0.04 to 0.06)	(-0.05 to 0.08)	(-0.04 to 0.06)	(-0.01 to 0.06)	(-0.01 to 0.06)	Higher score is more healthful		0.5^a
Promotions	0	-1	-1	-1	-1	-5	7	<0.001^a
Promotions	(-1 to 0)	(-1 to 0)	(-1 to 0)	(-2 to 0)	(-2 to 0)	-5	7	<0.001^a
Shelf placement	2	0	3	3	4	-15	21	0.04^a
Shelf placement	(-5 to 7)	(-5 to 5)	(-4 to 6)	(-3 to 6)	(-3 to 6)	-15	21	0.04^a
Store placement	1	0	2	2	2	-15	21	0.05^a
Store placement	(-5 to 4)	(-5 to 4)	(-4 to 4)	(-4 to 4)	(-4 to 4)	-15	21	0.05^a
Quality	9	8	13	12	14	0	18	0.002^a
Quality	(1 to 15)	(0 to 15)	(3 to 17)	(0 to 17)	(3 to 17)	0	18	0.002^a
Healthier alternative	1	2	2	2	2	0	5	0.03^a
Healthier alternative	(1 to 2)	(1 to 3)	(1 to 3)	(1 to 3)	(1 to 3)	0	5	0.03^a
Nutrition information	12	12	12	12	13	0	15	0.003^a
Nutrition information	(9 to 14)	(9 to 14)	(9 to 14)	(10 to 15)	(11 to 15)	0	15	0.003^a
Single sale of two fruits^d	42%	36%	39%	43%	43%	0	2	0.4^b

^aSpearman test for trend, ^bChi square test, ^cMedian and inter-quartile range (IQR) were provided for both parametric and non-parametric variables for ease of reading, ^dPercentage of two fruits available for single sale was provided because this variable was categorical, ^ePossible range of scores for each variable except composite score which shows actual range of composite score values.

ISSN: 1479-5868