TABLE 2.
Level of evidence and study quality of trials included in this review.
| Citation | NHMRC level of evidence | American Dietetic Association study quality |
|---|---|---|
| Abbie, 2020 (25) | II | + |
| Axelsen, 1997 (26) | II | ∅ |
| Axelsen, 1999 (27) | II | ∅ |
| Axelsen, 2000 (28)1 | 1. II | ∅ |
| 2. II | ∅ | |
| Beebe 1990, (20) | III-12 | ∅ |
| Dyer-Parziale, 2001 (21) | II | ∅ |
| Ilany, 2018 (22) | III-3 | – |
| Imai, 2017 (19) | II | + |
| Imai, 2020 (18) | II | + |
| Kahleova, 2014 (32) | II | + |
| Kim, 2016 (29) | II | ∅ |
| Nakanishi, 2019 (23) | III-12 | ∅ |
| Papakonstantinou, 2018 (24) | II | + |
| Sapp, 2021 (17) | II | + |
| Suzuki, 2010 (30) | III-12 | ∅ |
| White and Johnston, 2007 (31) | II | ∅ |
NHMRC, National Health and Medical Research Council.
+ Positive quality.
– Negative quality.
∅ Neutral quality.
1
Axelsen 2000 contains 2 separate studies and so these were graded separately.
2
Articles that did not specifically state the protocol for randomization were allocated a rating of III-1.