Model | ΔR² | Variable | B-value | SE B | P-value |
Model 1: education | 0.01 | Upper secondary education (reference: tertiary education) | 4.3 | 2.0 | 0.03* |
Postsecondary non-tertiary education (reference: tertiary education) | 0.8 | 2.2 | 0.73 | ||
Model 2: job position | 0.04** | Professionals (reference: managers) | −3.6 | 2.0 | 0.13 |
Technicians (reference: managers) | −4.5 | 2.2 | 0.05* | ||
Clerical support workers (reference: managers) | −0.4 | 3.2 | 0.91 | ||
Service and sales workers (reference: managers) | 2.8 | 2.7 | 0.30 | ||
Craft workers (reference: managers) | 8.5 | 4.5 | 0.06 | ||
Model 3: income | 0.02 | Under €1250 (reference: more than €5000) | 5.2 | 4.2 | 0.22 |
€1250–€1749 (reference: more than €5000) | 1.9 | 3.9 | 0.63 | ||
€1750–€2249 (reference: more than €5000) | 2.1 | 4.0 | 0.61 | ||
€2250–€2999 (reference: more than €5000) | 5.9 | 3.9 | 0.14 | ||
€3000–€3999 (reference: more than €5000) | 0.8 | 3.9 | 0.83 | ||
€4000–€4999 (reference: more than €5000) | 5.0 | 4.5 | 0.27 | ||
Model 4: WS-index | 0.02* | −0.9 | 0.3 | <0.01* |
Controlled for age and sex (n=352). ΔR² indicates model improvement after application of SES indicator.
*P< 0.05; **P<0.01.
CPG, Chronic Pain Grade questionnaire; SES, socioeconomic status; WS-index, Winkler-Scheuch Index.