Skip to main content

Table 4 Linear trend prediction through follow-up (0, 3 and 6 months) for changes by NPSQ9 tertiles of randomised volunteers

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) Tertile 2 (Medium) Tertile 3 (High) ρ ρ
Score 7–19 20–23 24–30
n (women) 443 (258) 402 (237) 308 (174) 0.799§
BMI (kg/m2) −0.16 ± 0.02*** −0.15 ± 0.02*** −0.12 ± 0.02*** 0.934 0.340
Waist circumference (m) −0.004 ± 0.001*** −0.007 ± 0.001*** −0.006 ± 0.001*** 0.024 0.197
Glucose (mmol/L) −0.10 ± 0.02*** −0.16 ± 0.02*** −0.12 ± 0.02*** 0.046 0.472
Total colesterol (mmol/L) −0.08 ± 0.02*** −0.09 ± 0.02*** −0.05 ± 0.02* 0.658 0.351
Total carotenoids (μmol/L) −0.01 ± 0.01 −0.02 ± 0.01* −0.05 ± 0.02** 0.257 0.030
Omega3 index (AU) 0.09 ± 0.02*** 0.12 ± 0.02*** 0.10 ± 0.03*** 0.289 0.713
HEI score (AU) 1.75 ± 0.18*** 1.13 ± 0.16*** 1.05 ± 0.19*** 0.012 0.008
MDS (AU) 0.21 ± 0.03*** 0.15 ± 0.03*** 0.12 ± 0.04** 0.201 0.070
MAR (%) −1.84 ± 0.18*** −1.10 ± 0.16*** −1.12 ± 0.18*** 0.003 0.006
  1. BMI Body Mass Index, AU Arbitrary Units, HEI Healthy Eating Index, MDS Mediterranean Diet Score, MAR Mean Adequacy Ratio. p-values for linear trend represented by * for p-value <0.05; ** for p-value < 0.01; *** for p-value < 0.001
  2. p-value for contrast of linear trend between Tertile1 and Tertile2; p-value for contrast of linear trend between Tertile1 and Tertile3; § p-value for Chi-square test of distribution