Table 3.
Baseline socio-demographic characteristics of participants in the Qatar Biobank pilot study (December 2012-February 2014 (N = 1209))
| Characteristic | Men | Women | |
|---|---|---|---|
| N (%) | N (%) | P-value | |
| Age group (years) | 0.15 | ||
| < 25 | 54 (10.7) | 94 (13.4) | |
| 25–34 | 145 (28.7) | 212 (30.2) | |
| 35–44 | 102 (20.2) | 127 (18.1) | |
| 45–54 | 118 (23.3) | 179 (25.5) | |
| ≥ 55 | 87 (17.2) | 91 (12.9) | |
| Marital status | <0.001 | ||
| Married | 402 (79.5) | 461 (65.6) | |
| Divorced/separated | 14 (2.7) | 33 (4.7) | |
| Widow/widower | 1 (0.2) | 23 (3.3) | |
| Single | 89 (17.6) | 186 (26.4) | |
| Education | <0.001 | ||
| Less than primary school | 1 (0.2) | 28 (3.9) | |
| Primary school | 10 (2.0) | 30 (4.3) | |
| Secondary school | 36 (7.1) | 37 (5.3) | |
| Technical/professional school | 116 (22.9) | 155 (22.1) | |
| University | 270 (53.4) | 408 (58.0) | |
| Postgraduate degree | 72 (14.2) | 43 (6.1) | |
| Missing | 1 (0.2) | 2 (0.3) | |
| Employment status | <0.001 | ||
| Student or trainee | 32 (6.3) | 70 (10.0) | |
| Paid employee | 377 (74.5) | 320 (45.5) | |
| Self-employed/business owner | 49 (9.7) | 9 (1.3) | |
| Housewife | 0 (0) | 189 (26.9) | |
| Retired | 22 (4.3) | 80 (11.4) | |
| Unemployed | 8 (1.6) | 15 (2.1) | |
| None of the above | 8 (1.6) | 19 (2.7) | |
| Prefer not to answer | 9 (1.8) | 1 (0.1) | |
| Missing | 1 (0.2) | 0 (0) |
P-values for sex comparison calculated using Chi-squared test