Table 1.
Sociodemographic variables in the studied samples
| Variable | Group | F/χ 2 | p | ||
|---|---|---|---|---|---|
|
Control (N = 85) |
RA (N = 141) |
BC (N = 102) |
|||
| Age in years (M ± SD) | 25.89 ± 10.19 | 57.26 ± 12.36 | 54.45 ± 15.02 | 152.94 | .001 |
| Marital status | |||||
| Married | 53 (62.4%) | 66 (64.7%) | 79 (56.0%) | 2.57 | .277 |
| Single | 32 (37.6%) | 34 (33.3%) | 62 (44.0%) | ||
| Education | |||||
| Elementary | 0 (0%) | 5 (4.9%) | 23 (16.3%) | 26.41 | .001 |
| Secondary | 57 (67.1%) | 49 (48.0%) | 73 (51.8%) | ||
| Higher education | 28 (32.9%) | 48 (47.1%) | 45 (31.9%) | ||
| Employment | |||||
| Full employment | 28 (32.9%) | 20 (19.6%) | 51 (36.2%) | 123.45 | .001 |
| Unemployed | 54 (63.5%) | 0 (0%) | 10 (7.1%) | ||
| Illness allowance | 1 (1.2%) | 6 (5.9%) | 25 (17.7%) | ||
| Retired | 2 (2.4%) | 12 (11.8%) | 55 (39.0%) | ||
| Place of residence | |||||
| Village, small town up to 20 thousand residents | 13 (15.3%) | 13 (12.7%) | 44 (31.2%) | 51.03 | .001 |
| City 21 to 100 thousand residents | 2 (2.4%) | 2 (2.0%) | 27 (19.1%) | ||
| City 101 to 500 thousand residents | 1 (1.2%) | 2 (2.0%) | 19 (13.5%) | ||
| City over 500 thousand residents | 67 (78.8%) | 21 (20.6%) | 49 (34.8%) | ||
| Lack of permanent residence | 1 (1.2%) | 0 (0%) | 1 (0.7%) | ||
Abbreviations: F, analysis of variance; M, mean value; SD, standard deviation; χ 2, Pearson chi‐squared test of independence.