Table 1 Demographic characteristics of the three participating groups
From: Willingness to participate in health research: Tunisian survey
Variables | Patients (n = 612) | Volunteers (n = 354) | Doctors (n = 134) |
|---|---|---|---|
Age mean years (SD) | 42.3 (15.8) | 25.9 (9.8)* | 35.6 (9.5) |
Sex Male n (%) | 196 (32) | 131 (37) | 60 (45)** |
Married n (%) | 447 (73) | 123 (29)* | 86 (64) |
History of chronic disease n (%) | 213 (35) | 42 (12) | 22 (16) |
arterial hypertension | 105 | 19 | 9 |
diabetes | 72 | 18 | 10 |
coronary heart disease | 51 | 6 | 2 |
chronic obstructive pulmonary disease | 24 | 0 | 0 |
rheumatic disease | 18 | 9 | 1 |
neoplasia | 10 | 0 | 0 |
others | 5 | 11 | 7 |
High school education n (%) | 318 (52) | 244 (69) | 134 (100)** |
Prior participation in medical research n (%) | 24 (4) | 28 (8) | 32 (24)** |
History of previous blood donation n (%) | 184 (30) | 124 (35) | 68 (51)** |