Table 3 Results of ordinal logistic regression models of categories of ISI treated as an ordinal outcome stratified by the three pain groups
Variable | Μultiple regression weights | ||
|---|---|---|---|
Wald | OR (95% CI) | Nagelkerke R 2 | |
a. Model 1 Chronic pain (n = 2790) | 0.22 | ||
Age (years) | 1.013 | 0.99 (0.97–1.01) | |
Female sex | 1.116 | 1.03 (0.80–1.33) | |
Pain intensity | 15.501 | 1.13 (1.06–1.20)*** | |
Pain spreading | 8.930 | 1.04 (1.01–1.06)** | |
GWBS-anxiety | 29.452 | 1.11 (1.06–1.15)*** | |
GWBS-depression | 11.475 | 1.09 (1.03–1.14)*** | |
b. Model 2 Subacute pain (n = 510) | 0.23 | ||
Age (years) | 1.189 | 0.98 (0.93–1.02) | |
Female sex | 0.398 | 0.99 (0.51–1.57) | |
Pain intensity | 0.979 | 1.10 (0.91–1.34) | |
Pain spreading | 0.052 | 1.01 (0.97–1.15) | |
GWBS-anxiety | 6.547 | 1.15 (1.03–1.28)* | |
GWBS-depression | 3.398 | 1.08 (1.01-1.25)* | |
c. Model 3 No pain (n = 2905) | 0.41 | ||
Age (years) | 0.057 | 0.99 (0.96–1.01) | |
Female sex | 0.187 | 0.99 (0.76–1.43) | |
Pain intensity | NA | NA | |
Pain spreading | NA | NA | |
GWBS-anxiety | 6.059 | 1.13 (1.06–1.18)* | |
GWBS-depression | 0.594 | 1.10 (0.99–1.24) | |