Table 5 Multivariate regression analysis – dependent variables: Short Form – 36 physical component summary (a) and Short Form – 36 mental component summary (b)
(a) Independent variable | Regression coefficient | Standard error | t-statistics | P |
Age at Survey | −0.40 | 0.12 | −3.25 | 0.0025 |
Age at Disease Onset | 0.19 | 0.12 | 1.65 | 0.1048 |
Symptoms (e.g. pruritus) | −8.13 | 1.99 | −4.09 | < 0.001 |
Musculoskeletal manifestations | −8.33 | 3.76 | −2.21 | 0.0313 |
LoSCAT summary score | −0.010 | 0.08 | −0.23 | 0.8203 |
(b) Independent variable | Regression coefficient | Standard error | t-statistics | P |
Residence: urban, less than 10.000 of people | −0.07 | 3.54 | −0.02 | 0.9837 |
Residence: urban, more than 10.000 and less than 100,000 of people | −0.16 | 2.23 | −0.07 | 0.9416 |
Residence: urban, 100.000 or more of people | 6.06 | 2.89 | 2.10 | 0.0387 |