Table I.
Comparison of demographic data of nn=71 age- and sex-matched US and German patients with fibromyalgia syndrome.
| USA n=71 | Germany n=71 | p-value | |
|---|---|---|---|
| Mean age (mean, SD) | 51.9 (10.2) | 50.0 (10.3) | Z =0.99, p=0.32 |
| Female gender (%) | 68 (95.8) | 68 (95.8) | |
| Race | |||
| Caucasian (%) | 56 (78.5) | 71 (100) | χ2 =16.8; p<0.001 |
| Black (%) | 6 (8.5) | ||
| Asian (%) | 1 (1.4) | ||
| Hispanic (%) | 2 (2.8) | ||
| Pacific (%) | 6 (8.5) | ||
| Living with family /partner (%) | 70 (98.6) | 55 (77.5%) | χ2 =15.0, p<0.001 |
| Highest educational level | |||
| Primary school (%) | 0 | 7 (9.6) | χ =32.7; p<0.001 |
| Secondary school (%) | 1 (2.3) | 43 (64.0) | |
| High school (%) | 8 (5.6) | 9 (12.7) | |
| University (%) | 62 (83.8) | 12 (16.9) | |
| Current professional status | |||
| Student/training (%) | 0 | 3 (4.2) | χ =32.7; p<0.001 |
| Working (%) | 36 (50.8) | 40 (36.2) of the | |
| Without job (%) | 7 (9.9) | 4 (5.6) | |
| Pension (%) | 23 (32.4) | 13 (18.3) | |
| Homemaker (%) | 5 ( 7.0) | 11 (15.5) | |
| Applying for disability pension (%) | 22 (31.0) | 11 (15.5) | χ =16.0; p<0.001 |
Significant (Bonferroni adjusted) differences are marked as bold.