Skip to main content
. 2020 Jul 17;12(7):2133. doi: 10.3390/nu12072133

Table 3.

Descriptive characteristics of the study population.

Variable Vegan Diet
N = 47
Vegetarian Diet
N = 100
Omnivorous Diet
N = 107
Mean (SD)
Age 30.61 (11.64) 28.39 (8.92) 28.72 (9.87)
Body mass index (kg/m2) 21.46 (4.10) 21.97 (2.88) 23.01 (5.35)
Following plant-based diet (in moths) 44.40 (62.30) 82.90 (102.36) -
N (%)
Number of meals consumed per day
1 0 (0.0) 0 (0) 2 (1.9)
2 2 (4.3) 4 (4) 5 (4.7)
3 16 (34.0) 20 (20) 27 (25.2)
4 19 (40.4) 38 (38) 49 (45.8)
5 9 (19.2) 30 (30) 20 (18.7)
More than 5 1 (2.1) 8 (8) 4 (3.7)
Daily water intake
Less than 1 L 2 (4.2) 2 (2) 18 (16.8)
From 1 L to 1,4 L 7 (14.9) 22 (22) 40 (37.4)
1,5 L 7 (14.9) 29 (29) 18 (16.8)
From 1,6 L to 1,9 L 4 (8.5) 3 (3) 3 (2.8)
2 L 15 (31.9) 25 (25) 21 (19.6)
From 2,1 L to 2,4 L 2 (4.3) 3 (3) 0 (0)
2,5 L 1 (2.1) 9 (9) 3 (2.8)
3 L 6 (12.8) 4 (4) 3 (2.8)
3,5 L 0 (0) 1 (1) 1 (0.9)
4 L 3 (6.4) 2 (2) 0 (0.0)
Dietary supplement consumption
Yes 34 (72.3) 59 (59) 25 (23.4)
No 13 (27.7) 41 (41) 82 (76.6)
Type of supplement consumed (multiple choice question)
Vitamin D 21 (44.7) 32 (32) 12 (11.2)
Vitamin B12 29 (61.7) 34 (34) 4 (3.7)
Vitamin C 1 (2.1) 10 (10) 2 (1.9)
Magnesium 4 (8.5) 13 (13) 8 (7.5)
Moderate-intensity physical activity
Never 0 (0) 0 (0) 9 (8.4)
One per week 5 (10.6) 6 (6) 42 (39.2)
Twice per week 0 (0) 13 (13) 0 (0)
3 per week 7 (14.9) 25 (25) 23 (21.5)
5 per week 10 (21.3) 18 (18) 14 (13.1)
Every day 25 (53.2) 38 (38) 19 (17.8)
Vigorous-intensity Physical Activity
Never 16 (34.04) 44 (44) 51 (47.7)
One per week 15 (31.91) 30 (30) 37 (34.6)
Twice per week 0 (0) 0 (0) 0 (0)
3 per week 10 (21.30) 20 (20) 14 (13.1)
5 per week 4 (8.51) 6 (6) 4 (3.7)
Every day 2 (4.30) 0 (0) 1 (0.9)
Main reason why participants decided to follow a plant-based diet Not applicable
Animal welfare 25 (53.20) 60 (60)
Health 10 (21.30) 10 (10)
Ethics 4 (8.51) 9 (9)
Care for the natural environment 2 (4.25) 9 (9)
Religion 1 (2.12) 0 (0)
Economic considerations 1 (2.12) 0 (0)
Weight loss 2 (4.25) 0 (0)
Other reason 2 (4.25) 12 (12)
Main reason why participants are following a plant-based diet Not applicable
Animal welfare 29 (61.6) 53 (53)
Health 6 (12.8) 13 (13)
Ethics 6 (12.8) 17 (17)
Care for the natural environment 3 (6.4) 7 (7)
Religion 1 (2.1) 0 (0)
Other reason 2 (4.3) 10 (10)