Table 2:
Change over time in plant-based diet score
| Time frame | N | Follow-up period (mo) | PBDS+ | p Value | PBDS– | p Value | PBDS | p Value | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Median (IQR) | Mean (SD) | Median (IQR) | Mean (SD) | Median (IQR) | Mean (SD) | Median (IQR) | |||||
| Baseline | 24 | 21.4 (8.9) | 22.0 (15.0–27.0) | 13.2 (5.1) | 12.5 (9.0–16.8) | 8.2 (8.3) | 6.5 (2.3–14.0) | |||||
| Follow-up | ||||||||||||
| Short-term | 23 | 17.8 (7.3) | 20.0 (13.0–24.0) | 33.0 (5.1) | 34.0 (29.0–36.0) | < 0.0001 | 2.4 (2.6) | 1.0 (0–4.0000) | < 0.0001 a | 30.6 (6.3) | 31.0 (27.0–36.0) | < 0.0001 |
| Baseline | 23 | 21.7 (9.0) | 23.0 (15.0–27.0) | 13.3 (5.2) | 13.0 (9.0–17.0) | 8.4 (8.4) | 7.0 (2.0–14.0) | |||||
| Long-term | 21 | 68.0 (35.7) | 60.0 (39.5–85.5) | 29.9 (7.3) | 30.0 (25.0–36.0) | 0.0014 | 5.7 (6.9) | 4.0 (1.0–6.0) | 0.0003 a | 24.2 (12.2) | 29.0 (17.5–34.0) | < 0.0001 |
| Baseline | 21 | 22.5 (8.7) | 26.0 (16.0–28.0) | 13.3 (5.4) | 13.0 (8.5–18.0) | 9.2 (8.3) | 7.0 (3.5–15.5) | |||||
a
p value obtained with the Wilcoxon signed-rank test.
IQR, interquartile range; SD, standard deviation.