Table 1.
Characteristics of participants in each randomized intervention group
| |
MD-EVOO |
MD-nuts |
Control diet |
|---|---|---|---|
| (n=1446) | (n=1293) | (n=1184) | |
| Age, years |
67.1, 6.2 |
66.7, 6.0 |
67.4 (6.4) |
| Male sex, % |
47.1 |
53.5 |
46.2 |
| Smoking status, % |
|
|
|
| Never-smoker |
57.7 |
56.5 |
58.1 |
| Current smoker |
14.5 |
15.2 |
14.9 |
| Marital status, % |
|
|
|
| Married |
80.2 |
79.9 |
77.0 |
| Educational level, % |
|
|
|
| Primary or lower |
76.5 |
75.2 |
79.1 |
| University |
8.6 |
8.4 |
6.3 |
| Disease prevalence, % |
|
|
|
| Cancer |
2.1 |
3.2 |
2.3 |
| Diabetes |
52.4 |
48.1 |
50.7 |
| Hypertension |
80.2 |
81.1 |
82.3 |
| Hypercholesterolemia |
68.9 |
69.5 |
67.7 |
| Parkinson disease |
0.3 |
0.3 |
0.3 |
| Chronic bronchitis |
4.8 |
4.7 |
5.4 |
| Fractures |
16.1 |
17.8 |
18.7 |
| Body mass index, kg/m2 |
29.8, 3.7 |
29.6, 3.7 |
30.1 (4.0) |
| Total energy intake, kcal/day |
2317.9, 619.1 |
2384.1, 611.0 |
2256.4 (605.8) |
| Alcohol intake, g/day |
10.0, 15.6 |
11.2, 17.1 |
9.0 (14.9) |
| Physical activity during leisure time, METs-min/day | 247.4, 243.6 | 270.9, 258.7 | 226.9 (261.1) |
Abbreviations: MET metabolic equivalent, EVOO extra virgin olive oil.