Table 1.
Socio-economic characteristics of the sample according to G. biloba use
| Characteristics | Users (n = 78) (%) | Non-users (n = 452) (%) | p values |
|---|---|---|---|
| Mean age in years (±standard deviation) | 71.51 (±6.65) | 68.00 (±5.41) | 0.006 |
| Gender | |||
| Female | 63.6 | 64.9 | 0.819 |
| Male | 36.4 | 35.1 | |
| Education | |||
| University degree | 55.1 | 65.7 | 0.389 |
| Professional training completed | 23.1 | 18.5 | |
| Secondary school certificate (Realschule) | 2.6 | 3.2 | |
| Qualification for university entrance | 14.1 | 8.1 | |
| Secondary school certificate (Hauptschule) | 1.3 | 2.3 | |
| Master certificate | 3.8 | 2.1 | |
| Current professional situation | |||
| Retired | 89.6 | 88.9 | 0.165 |
| Partial retirement | 1.3 | 4.6 | |
| Housewife/man | 2.6 | 3.5 | |
| Employed | 2.6 | 2.1 | |
| Part time employed | 3.9 | 0.7 | |
| N/C | 0.0 | 0.2 | |
| Family status | |||
| Married | 56.4 | 58.9 | 0.380 |
| Widowed | 21.8 | 16.6 | |
| Divorced | 10.3 | 15.2 | |
| Single | 10.3 | 9.0 | |
| N/C | 1.3 | 0.2 | |
| Health insurance | |||
| Private healthcare | 28.2 | 24.7 | 0.380 |
| Others | 71.8 | 75.3 | |