Table 5.

Mann Whitney U Test presenting the correlation between number of colours or composite Nutri-score and food group.

Variables	Food group	N	Mean	Test Statistic	Asymp. Sig. (2-sided test)
Number of colours	Fruit	71	4.34	207.00	.007*
	No fruit	11	3.45
	Vegetables	17	4.94	259.00	<.001*
	No vegetables	65	4.03
	Whole grains	17	4.59	363.00	.020*
	No whole grains	65	4.12
	Refined grains	64	4.19	501.00	.368
	No refined grains	18	4.33
	Meat, fish & eggs	32	4.50	581.50	.026*
	No meat, fish & eggs	50	4.04
	Nuts	4	3.25	96.00	.209
	No nuts	78	4.27
	Dairy	51	4.29	693.5	.320
	No dairy	31	4.10
	Snacks	40	4.37	692.00	.141
	No snacks	42	4.07
	Fats & oils	22	4.59	475.00	.038*
	No fats & oils	60	4.08
	Condiments	11	4.09	340.50	.466
	No condiments	71	4.24
Composite Nutri-score	Fruit	71	3.01	256.5	.056
	No fruit	11	3.64
	Vegetables	17	2.65	369.50	.029*
	No vegetables	65	3.22
	Whole grains	17	2.71	395.50	.061
	No whole grains	65	3.20
	Refined grains	64	3.27	326.50	.004*
	No refined grains	18	2.50
	Meat, fish & eggs	32	2.66	462.50	<.001*
	No meat, fish & eggs	50	3.38
	Nuts	4	3.06	146.50	.83
	No nuts	78	1.95
	Dairy	51	3.31	545.00	.014*
	No dairy	31	2.74
	Snacks	40	3.43	524.50	.002*
	No snacks	42	2.79
	Fats & oils	22	3.64	389.00	.003*
	No fats & oils	60	2.90
	Condiments	11	3.64	244.00	.037*
	No condiments	71	3.01

* Statistically-significant associations (p < 0.05) are emphasised in boldface.