Table 2.
Socio-demographic characteristics of participants.
| Parameter | Females | Males | Total | P ∗ | |
|---|---|---|---|---|---|
| N = 37 | N = 34 | N = 71 | |||
| n (%) or mean ± SD | n (%) or mean ± SD | n (%) or mean ± SD | |||
| Place of birth | Ikaria | 33 (94.3) | 32 (94.1) | 65 (94.2) | 0.976 |
| Other | 2 (5.7) | 2 (5.9) | 4 (5.8) | ||
|
| |||||
| Residence | House in a village | 20 (54.1) | 21 (61.8) | 41 (57.7) | 0.546 |
| Isolated house | 16 (43.2) | 13 (38.2) | 29 (40.8) | ||
| Nursing home | 2.7 (1) | 0 (0.0) | 1 (1.5) | ||
|
| |||||
| Years of school | 6.2 ± 2.4 | 7.1 ± 3.2 | 6.6 ± 2.9 | 0.182 | |
|
| |||||
| Occupation | Farmers | 12 (32.4) | 9 (26.5) | 21 (29.6) | <0.001 |
| Housewives | 15 (40.5) | 0 (0) | 15 (21.1) | ||
| Sailors, Fishermen | 0 (0.0) | 8 (23.5) | 8 (11.3) | ||
| Workers | 0 (0.0) | 6 (17.6) | 6 (8.4) | ||
| Intermediate | 3 (8.1) | 3 (8.8) | 6 (8.4) | ||
| Craftsmen, Trader | 4 (10.8) | 2 (5.9) | 6 (8.4) | ||
| Coal miner | 0 (0.0) | 4 (11.8) | 4 (5.6) | ||
| Other | 3 (8.1) | 2 (5.9) | 5 (7.0) | ||
|
| |||||
| Income (€) | 553.9 ± 410.6 | 670.7 ± 476.9 | 611.4 ± 444.8 | 0.271 | |
|
| |||||
| Marital status | Widowed | 30 (81.1) | 14 (41.2) | 44 (62.0) | <0.001 |
| Married | 4 (10.8) | 20 (58.8) | 24 (33.8) | ||
| Other | 3 (8.1) | 0 (0.0) | 3 (4.2) | ||
|
| |||||
| Family | Siblings | 5.8 ± 2.8 | 5.1 ± 2.5 | 5.5 ± 2.6 | 0.272 |
| Children | 3.7 ± 1.9 | 2.8 ± 1.6 | 3.3 ± 1.8 | 0.04 | |
|
| |||||
| Tobacco | Nonsmoker | 35 (94.6) | 5 (14.7) | 40 (56.3) | <0.001 |
| Former smoker | 0 (0.0) | 26 (76.5) | 26 (36.6) | ||
| Current smoker | 2 (5.4) | 3 (8.8) | 5 (7.1) | ||
|
| |||||
| Alcohol (glasses/day) | No alcohol | 16 (43.2) | 3 (8.8) | 19 (26.8) | 0.004 |
| 1–2 | 19 (51.4) | 26 (76.5) | 45 (63.4) | ||
| ≥3 | 2 (5.4) | 5 (14.7) | 7 (9.8) | ||
N: number of subjects of group population, n: number of subjects for each category parameter, SD: standard deviation.
∗Chi-2 test or Fisher's exact test for frequencies and Student's unpaired t-test for means were used.