Results of the PREDIMED (PREvención con DIeta MEDiterránea) questionnaire by academic field of study
| Health% (n) | Social Sciences and Humanities% (n) | Arts% (n) | Natural Sciences% (n) | Exact Sciences and Engineering% (n) | P value | |
| Do you use olive oil as main culinary fat? (Yes) (n=1106) | 22.6 (222) | 22.6 (222) | 7.0 (69) | 22.9 (225) | 24.9 (245) | 0.241 |
| How much olive oil do you consume in a given day? (≥4 tbsp) (n=1099) | 24.0 (18) | 24.0 (18) | 2.7 (2) | 26.7 (20) | 22.7 (17) | 0.584 |
| How many vegetable servings do you consume per day? (≥2) (n=1103) | 25.2 (156) | 21.0 (130) | 6.5 (40) | 22.6 (140) | 24.7 (153) | 0.066 |
| How many fruit units do you consume per day? (≥3 pieces) (n=1104) | 28.2 (72) | 23.1 (59) | 5.1 (13) | 18.4 (47) | 25.1 (64) | 0.019 |
| How many servings of red meat, hamburger or meat products do you consume per day? A full serving is 100–150 g (<1 portion) (n=1092) | 23.5 (84) | 21.8 (78) | 10.6 (38) | 21.8 (78) | 22.3 (80) | 0.040 |
| How many servings (12 g) of butter, margarine or cream do you consume per day? (<1 portion) (n=1088) | 23.6 (142) | 21.6 (130) | 8.0 (48) | 22.1 (133) | 24.6 (148) | 0.351 |
| How much sweetened or carbonated beverages do you drink per day? (<1 per day) (n=1051) | 23.3 (199) | 21.3 (182) | 7.5 (64) | 22.1 (189) | 25.8 (220) | 0.003 |
| Do you drink wine? How much do you drink per week? (≥7 cups) (n=1002) | 0 (0) | 0 (0) | 25.0 (2) | 37.5 (3) | 37.5 (3) | 0.069 |
| How many servings (150 g) of legumes do you consume per week? (≥3) (n=1093) | 21.0 (123) | 23.7 (139) | 8.7 (51) | 23.7 (139) | 23.0 (135) | 0.201 |
| How many servings of fish/seafood do you consume per week? (100–150 g of fish, 200 g of seafood) (≥3) (n=1095) | 25.8 (142) | 19.5 (107) | 4.9 (27) | 22.9 (126) | 26.9 (148) | 0.000 |
| How many times per week do you consume commercial sweets or pastries, such as cakes, cookies, biscuits or custard? (<3 times) (n=1093) | 23.8 (154) | 20.8 (135) | 7.9 (51) | 22.5 (146) | 25.0 (162) | 0.210 |
| How many servings of nuts (including peanuts) do you consume per week? (1 serving: 30 g) (≥3) (n=1079) | 26.5 (61) | 18.7 (43) | 5.7 (13) | 21.3 (49) | 27.8 (64) | 0.111 |
| Do you preferentially consume chicken, turkey or rabbit meat instead of veal, pork, hamburger or sausage? (Yes) (n=1104) | 25.6 (157) | 21.7 (133) | 6.9 (42) | 24.1 (148) | 21.7 (133) | 0.022 |
| How many times per week do you consume vegetables, pasta, rice or other dishes seasoned with sofrito (sauce made with tomato and onion, leek or garlic and simmered with olive oil)? (≥2) (n=1102) | 21.5 (210) | 22.7 (222) | 7.1 (69) | 23.9 (233) | 24.8 (242) | 0.329 |
| Final score (mean±SD) | 6.56±2.08 | 7.25±2.13 | 6.74±1.91 | 6.46±2.12 | 6.91±2.20 |
Bold denotes statistically significant differences (p<0.05).