Variable | Model I* | Model II† | ||||
OR | 95% CI | P value | OR | 95% CI | P value | |
Age | ||||||
<30 | 16.37 | 1.81 to 148.37 | <0.001 | 10.10 | 1.14 to 89.67 | <0.001 |
31–40 | 6.06 | 2.71 to 13.54 | 6.56 | 2.62 to 16.44 | ||
41–50 | 2.64 | 1.46 to 4.81 | 2.40 | 1.22 to 4.73 | ||
51–60 | Reference | Reference | ||||
61–70 | 1.44 | 0.79 to 2.63 | 1.42 | 0.74 to 2.73 | ||
>70 | 0.99 | 0.48 to 2.01 | 0.93 | 0.44 to 1.97 | ||
Marital status | ||||||
Married | Reference | 0.027 | Reference | 0.06 | ||
Single | 0.27 | 0.11 to 0.70 | 0.31 | 0.11 to 0.87 | ||
Divorced/widowed | 0.89 | 0.51 to 1.57 | 0.75 | 0.44 to 1.40 | ||
Education level | ||||||
Poorly educated ‡ | Reference | 0.04 | ||||
Upper secondary school | 1.32 | 0.76 to 2.29 | ||||
University | 1.99 | 1.16 to 3.40 | ||||
High blood pressure § | ||||||
No | Reference | <0.001 | Reference | <0.001 | ||
Yes | 0.33 | 0.21 to 0.53 | 0.33 | 0.20 to 0.54 | ||
Diabetes ¶ | ||||||
No | Reference | <0.001 | Reference | <0.001 | ||
Yes | 0.20 | 0.09 to 0.46 | 0.18 | 0.07 to 0.42 | ||
Strong limitation of mobility | ||||||
No | 0.05 | 0.02 to 0.14 | <0.001 | 0.14 | 0.05 to 0.42 | <0.001 |
Yes | Reference | Reference | ||||
Frequent pain** | ||||||
No | Reference | <0.001 | ||||
Yes | 0.09 | 0.05 to 0.15 |
*n=550; McFadden’s Pseudo R2=0.32.
†n=557; McFadden’s Pseudo R2=0.43.
‡No education or still studying or secondary school or vocational training or other.
§High blood pressure diagnosed by a physician or indicated by taking anti-hypertensive medication.
¶Diabetes as diagnosed by a physician or indicated by taking anti-diabetic medication.
**All missing information on frequent pain were set to no pain.