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Table 1 Sociodemographic data: differences between CLBP and CWP (n = 647)
| CLBP | CWP | p | ||||
|---|---|---|---|---|---|---|
| Chi-square test | Fisher’s exact test | Welch’s t-test | Mann-Whitney U test | |||
| Sex [no. (%)] | n = 484 | n = 163 | 0.002 | - | - | - |
| Female | 279 (57.6) | 117 (71.8) | ||||
| Age [years: mean (SD)] | n = 484 | n = 163 | - | - | 0.573 | - |
| 56.3 (14.4) | 57.0 (12.6) | |||||
| Marital status [no. (%)] | n = 484 | n = 163 | 0.128 | - | - | - |
| Single | 61 (12.6) | 22 (13.5) | ||||
| Married | 326 (67.4) | 95 (58.3) | ||||
| Divorced | 54 (11.2) | 28 (17.2) | ||||
| Widowed | 43 (8.9) | 18 (11.0) | ||||
| Level and years of education [no. (%)] | n = 482 | n = 163 | - | 0.425 | - | - |
| 13/12 years | 70 (14.5) | 31 (19.0) | ||||
| 10 years | 148 (30.7) | 45 (27.6) | ||||
| 9 years | 251 (52.1) | 81 (49.7) | ||||
| Other graduation | 11 (2.3) | 4 (2.5) | ||||
| No qualification | 2 (0.4) | 2 (1.2) | ||||
| Employment status [no. (%)] | n = 481 | n = 163 | 0.046 | - | - | - |
| Working (full or part-time) | 254 (52.8) | 71 (43.6) | ||||
| Reasons for not working [no. (%)] | n = 223 | n = 92 | - | 0.796 | - | - |
| Keeping house | 35 (15.7) | 13 (14.1) | ||||
| Retired | 167 (74.9) | 70 (76.1) | ||||
| Unemployed | 18 (8.1) | 9 (9.8) | ||||
| Other | 3 (1.3) | 0 (0) | ||||
| Applied for pension [no. (%)] | n = 401 | n = 128 | 0.002 | - | - | - |
| Yes | 21 (5.2) | 18 (14.1) | ||||
| Degree of disability [no. (%)] | n = 457 | n = 153 | 0.001 | - | - | - |
| Yes | 176 (38.5) | 83 (54.2) | ||||
