Table 4.
Chronological change of plant-based diet score
Timeframe, n | Follow-up (months) | PBD score+ | p value | PBD score- | p value | PBD score | p Value | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
Mean (SD) | Median (IQR) | Mean (SD) | Median (IQR) | Mean (SD) | Median (IQR) | Mean (SD) | Median (IQR) | ||||
Baseline, 17 | 19.9 (7.4) | 20.0 (15.0-25.0) | 11.1 (5.3) | 11.0 (7.0-13.5) | 8.8 (7.4) | 8.0 (5.0-13.0) | |||||
Follow-up | |||||||||||
Short-term, 10 | 14.3 (6.2) | 12.5 (9.3-19.5) | 30.2 (4.7) | 30.5 (25.0-35.0) | < 0.0001 | 2.5 (3.8) | 0.5 (0-4.8) | 0.0028a | 27.7 (7.0) | 30.0 (22.3-34.3) | < 0.0001 |
Baseline, 10 | 18.9 (7.6) | 20.5 (12.3-25.0) | 10.6 (5.5) | 11.5 (4.0-14.3) | 8.3 (8.3) | 10.5 (1.5-13.0) | |||||
Long-term, 8 | 58.4 (31.9) | 48.5 (38.3-64.8) | 26.9 (6.2) | 28.0 (24.8-31.8) | 0.1484a | 3.1 (2.6) | 2.5 (1.3-5.3) | 0.0167 | 23.8 (7.4) | 25.5 (22.3-28.8) | 0.0391a |
Baseline, 8 | 19.9 (8.4) | 23.5 (10.0-25.0) | 10.0 (4.3) | 11.0 (5.0-13.8) | 9.9 (8.4) | 10.5 (3.8-18.0) |
a p value obtained with paired t-test or Wilcoxon test.
IQR = interquartile range; PBD, plant-based diet; SD = standard deviation.