Table 3 Reported whole-grain rye intake by Food Frequency Questionnaire (FFQ) for intervention and control group, and rye diary and physical activity for the intervention group only, as well as compliance markers for the intervention and control group, respectively – the NILS feasibility study
Intervention group (n = 14) | Control group (n = 7) | Difference between groups (95% CI) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Baseline | 3 months | 6 months | 12 months | Baseline | 3 months | 6 months | 12 months | Baseline–6 months | |||||
Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Difference (95% CI) | |
Whole-grain rye intake as reported in FFQ (g/day) | 61 (24) | N/A | 91a (33) | 182b (42) | 87a,d (32) | 200b,d (130) | 57 (26) | N/A | 56a (23) | 90b (20) | 54a,e (19) | 128b,e (49) | |
Compliance markers of whole-grain intake | |||||||||||||
Total plasma alkylresorcinols (nmol/L) | 109 (98) | 197 (87) | 211 (144) | 139d (76) | 74 (39) | 108 (66) | 102 (74) | 109 (55) | 93 (-30;215) | ||||
C17:C21 plasma alkylresorcinols ratio | 0.39 (0.19) | 0.43 (0.17) | 0.42 (0.20) | 0.49d (0.21) | 0.30 (0.10) | 0.32 (0.10) | 0.29 (0.05) | 0.58 (0.25) | 0.08 (-0.07;0.22) | ||||
Intervention group (n = 14 for whole-grain intake and n = 12 for physical activity measures) | Control group No assessment of whole-grain intake from diaries or physical activity done for the control group | ||||||||||||
Baseline–3 months | 3–6 months | 12 months | |||||||||||
Mean (SD) | Mean (SD) | ||||||||||||
Whole-grain rye intake as reported in diary (g/day) | 146 (19) | 125 (40) | N/A | ||||||||||
Median (P5;P95) | Median (P5;P95) | ||||||||||||
Physical activity (min/week) | |||||||||||||
Above 70% of max - based on heart rate monitor | 91 (17, 193) | 66 (13, 259) | N/A | ||||||||||
Total - based on heart rate monitor | 220 (31, 338) | 150 (66, 319) | N/A | ||||||||||
Total - based on heart rate monitor + diary | 285 (58, 452) | 225 (77, 355) | N/A | ||||||||||