Table 3 Linear regression models to predict change in the number of pain sites between 2008 and 2020
From: Change in number of pain sites - which factors are important? A 12-year prospective cohort study
Variables a | Model 1: Crude analysis (n = 2,357) b | Model 2: Multivariate analysis, all covariates (n = 2,244) c |
|---|---|---|
Baseline status for covariates | Coefficient (95% CI) | Coefficient (95% CI) |
Duration of pain | ||
< 3 months | Ref | Ref |
> 3 months | -0.47 (-0.65; -0.30) | -0.27 (-0.46; -0.09) |
Pain intensity | -0.22 (-0.27; -0.17) | -0.26 (-0.32; -0.19) |
Sex (Female) | -0.10 (-0.26; 0.01) | -0.04 (-0.13; 0.22) |
Age | ||
<20 years | Ref | Ref |
20–29 years | 0.36 (-0.20; 0.93) | 0.75 (0.16; 1.35) |
30–39 years | 0.59 (0.10; 1.10) | 0.85 (0.29; 1.40) |
40–49 years | 0.41 (-0.08; 0.90) | 0.69 (0.15; 1.23) |
50–59 years | 0.10 (-0.39; 0.59) | 0.33 (-0.21; 0.86) |
≥60 years | 0.14 (-0.38; 0.66) | 0.30 (-0.26; 0.86) |
Educational level | ||
Bachelor/Master/Doctoral | Ref | Ref |
Upper secondary education or skilled worker | -0.16 (-0.34; 0.03) | -0.09 (-0.28; 0.10) |
Primary and lower secondary education | -0.03 (-0.29; 0.22) | 0.18 (-0.10; 0.45) |
Body mass index | ||
Under/normal weight | Ref | Ref |
Overweight | 0.07 (-0.12; 0.25) | 0.13 (-0.05; 0.32) |
Obesity | 0.23 (-0.02; 0.53) | 0.38 (0.10; 0.65) |
General Health | -0.004 (-0.008; -0.001) | 0.005 (0.001; 0.009) |
Comorbidity | ||
No comorbidity | Ref | Ref |
Comorbidity | -0.22 (-0.61; 0.17) | 0.02 (-0.37; 0.42) |
Risk of anxiety | ||
Low risk | Ref | Ref |
High risk | -0.41 (-0.64; -0.18) | -0.15 (-0.43; 0.13) |
Risk of depression | ||
Low risk | Ref | Ref |
High risk | -0.37 (-0.60; -0.15) | -0.08 (-0.36;0.19) |