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

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

  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 ± 0.10a 1.52 ± 0.10b 1.53 ± 0.10b <0.001 <0.001
BMI (kg/m2) 26.4 ± 5.2a 25.0 ± 4.5b 23.9 ± 3.8c <0.001 <0.001
Energy intake reported (kcal/day) 2723 ± 801a 2571 ± 733b 2577 ± 775b <0.001 <0.001
Cereal (g/day) 42.9 ± 72.4a 58.4 ± 104.4b 64.9 ± 91.6b <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 ± 37.9a 30.9 ± 32.4a 37.5 ± 49.2b 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 ± 237.6a 320.1 ± 248.6b 380.3 ± 301.4c <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 ± 93.9a 100.1 ± 83.1b 82.0 ± 69.7c <0.001 <0.001
Vegetables (g/day) 188.1 ± 117.4a 229.1 ± 163.6b 282.6 ± 186.5c <0.001 <0.001
  1. 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