Capturing health and eating status through a nutritional perception screening questionnaire (NPSQ9) in a randomised internet-based personalised nutrition intervention: the Food4Me study

Table 3 Dietary characteristics of screening sample by Nutritional Perception Screening Questionnaire-9 (NPSQ9) tertiles

	Tertile 1 (Low) (Score 4–19)	Tertile 2 (Medium) (Score 20–23)	Tertile 3 (High) (Score 24–30)	ρ ^†	ρ ^‡
n (n of women)	934 (478)	805 (546)	630 (506)	0.005 ^§
Age (years)	40 ± 12	41 ± 14	40 ± 13	0.069	0.408
Physical activity level (AU)	1.49 ± 0.10^a	1.52 ± 0.10^b	1.53 ± 0.10^b	<0.001	<0.001
BMI (kg/m²)	26.4 ± 5.2^a	25.0 ± 4.5^b	23.9 ± 3.8^c	<0.001	<0.001
Energy intake reported (kcal/day)	2723 ± 801^a	2571 ± 733^b	2577 ± 775^b	<0.001	<0.001
Cereal (g/day)	42.9 ± 72.4^a	58.4 ± 104.4^b	64.9 ± 91.6^b	<0.001	<0.001
Dairy products (g/day)	360.9 ± 254.6	374.2 ± 285.4	385.2 ± 284.3	0.540	0.303
Eggs (g/day)	32.3 ± 37.9^a	30.9 ± 32.4^a	37.5 ± 49.2^b	0.012	0.013
Fats & Spreads (g/day)	21.2 ± 17.3	19.8 ± 14.9	20.3 ± 18.8	0.236	0.636
Fruit (g/day)	257.2 ± 237.6^a	320.1 ± 248.6^b	380.3 ± 301.4^c	<0.001	<0.001
Meat & Fish (g/day)	201.9 ± 119.4	187.0 ± 116.2	199.6 ± 139.8	0.358	0.476
Soups & sauces (g/day)	94.7 ± 76.4	97.8 ± 79.3	97.6 ± 88.1	0.082	0.051
Sweets & snacks (g/day)	121.3 ± 93.9^a	100.1 ± 83.1^b	82.0 ± 69.7^c	<0.001	<0.001
Vegetables (g/day)	188.1 ± 117.4^a	229.1 ± 163.6^b	282.6 ± 186.5^c	<0.001	<0.001

BMI Body Mass Index, AU Arbitrary Units. ^†ANOVA for least squared values adjusted by age, sex, country, smoking habits, and physical activity with Bonferroni post-hoc expressed by superscript letters; differences in letters show differences between groups with p-value < 0.05. ^§ p-value for Chi-square test of distribution. ^‡ p-value for linear trend

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