Ageb | 0.99 | 0.98 to 1.00 |
|
Number of active problemsb | 1.13 | 1.05 to 1.22 |
|
Any chronic somatic illness | 1.55 | 1.25 to 1.93 |
|
Any psychological problem | 1.72 | 1.30 to 2.27 |
|
Mean monthly number of analgesic prescriptions |
0 | 1 | Reference |
1–4 | 1.77 | 1.41 to 2.23 |
>4 | 2.06 | 1.59 to 2.66 |