Table 1 Baseline participants’ characteristics in a subcohort of the PREDIMED-Reus trial by tertiles of energy-adjusted nut consumption at baseline
Tertile 1 | Tertile 2 | Tertile 3 | P-value | |
|---|---|---|---|---|
N | 66 | 65 | 65 | |
Total nuts, g/d | 3.1 ± 2.9 | 8.5 ± 3.7 | 29.7 ± 15.3 | < 0.001 |
Walnuts, g/d | 1.6 ± 2.1 | 4.3 ± 2.3 | 13.6 ± 9.4 | < 0.001 |
Non-walnut nuts, g/d | 1.5 ± 1.6 | 4.2 ± 3.3 | 16.1 ± 11.4 | < 0.001 |
Women, % | 52 | 66 | 54 | 0.192 |
Age, y | 66 ± 7 | 67 ± 6 | 68 ± 5 | 0.091 |
Allocation arm, % | 0.154 | |||
MedDiet + EVOO | 13 | 10 | 15 | |
MedDiet + nuts | 11 | 11 | 11 | |
Hypertension, % | 97 | 97 | 92 | 0.344 |
Smoking status, % | 0.445 | |||
Never | 56 | 68 | 62 | |
Current | 20 | 14 | 15 | |
Dyslipidemia, % | 76 | 85 | 85 | 0.318 |
Education, % | 0.822 | |||
≥ Secondary | 20 | 23 | 15 | |
Waist circumference, cm | 100 ± 9 | 101 ± 9 | 100 ± 9 | 0.801 |
BMI, kg/m2 | 29.4 ± 3.4 | 29.9 ± 3.4 | 29.2 ± 3.3 | 0.463 |
Leisure time physical activity, MET-min/day | 243.1 ± 238.0 | 270.0 ± 208.3 | 277.5 ± 277.3 | 0.696 |
Total energy intake, kcal/day | 2480 ± 530 | 2137 ± 477 | 2426 ± 571 | 0.001 |
Glucose, mg/dL | 93.0 ± 11.5 | 90.5 ± 8.9 | 92.4 ± 12.4 | 0.403 |
Triglycerides, mg/dL | 138.7 ± 56.2 | 121.6 ± 53.4 | 123.8 ± 45.7 | 0.126 |
Total cholesterol, mg/dL | 224.5 ± 33.6 | 223.6 ± 36.3 | 225.9 ± 32.1 | 0.931 |
HDL cholesterol, mg/dL | 55.7 ± 13.0 | 60.6 ± 15.4 | 59.8 ± 12.7 | 0.097 |
LDL cholesterol, mg/dL | 141.8 ± 28.7 | 140.6 ± 30.5 | 142.3 ± 29.3 | 0.946 |