| Study | Vegans (women / men) | Follow-up | Fractures (cases in vegans) | Vegans vs. meat-eaters | Meets our criteria? |
|---|---|---|---|---|---|
| EPIC-Oxford, U.K. (Tong, 2020) | 1,982 (1,266 / 716) | 17.6 years (average) | Hip; hospital records (41) | HR 2.64 (1.90-3.67) Adjusted for BMI: HR 2.31 (1.66-3.22) |
Yes |
| EPIC-Oxford, U.K. (Tong, 2020) | 1,982 (1,266 / 716) | 17.6 years (average) | All; hospital records (147) | HR 1.50 (1.26-1.78) Adjusted for BMI: HR 1.43 (1.20-1.70) |
No: effect too small |
| Adventist Health Study-2, U.S. and Canada (Thorpe, 2021) | 2,832 (1,465 / 1,367) | 8.4 years (median) | Hip; self-reported (64) | All: HR 1.31 (0.97-1.78) Women: HR 1.55 (1.06-2.26) Men: HR 1.01 (0.61-1.68) |
No: no analysis adjusted for lifestyle factors without also adjusting for calcium and vitamin D intake; women’s result too small |
| UK Women’s Cohort Study (Webster, 2022) | 130 (all women) | 22.3 years (median) | Hip; hospital records (5) | Vegetarians and vegans combined: HR 1.33 (1.03-1.71) Vegans alone (5 cases): HR 1.10 (0.42-2.84) |
No: effect too small; vegan result exploratory |
| UK Biobank (Webster, 2023) | 400 (not reported) | 12.5 years (median) | Hip; hospital records (10) | Vegetarians and vegans combined: HR 1.50 (1.18-1.91) Vegans alone (10 cases): HR 3.26 (1.75-6.08) |
No: effect too small; vegan result exploratory |
| Buddhist nuns, Vietnam (Ho-Pham, 2012) | 88 (all women) | 2 years | New spinal fractures; X-ray (5) | RR 1.02 (0.54-1.92) | No: comparison not adjusted for other factors; small study |