Table 4 Regression coefficients from a multiple linear regression analysis model analyzing determinates of EQ-VAS score
Parameter | β-coefficients [95 % CI] | P-value |
|---|---|---|
Intercept | 63.1 [57.5; 68.7] | <.0001 |
Male (ref = female) | 4.2* [0.5; 7.9] | 0.0281 |
BMI (ref = normal) | ||
 Overweight | 1.6 [−1.8; 4.9] | 0.3586 |
 Obese | 1.4 [−3.4; 6.2] | 0.5633 |
Education (ref = no formal education) | ||
 Primary | 2.4 [−2.6; 7.4] | 0.3466 |
 Secondary | 3.6 [−0.8; 8.0] | 0.1113 |
 Higher secondary and above | 6.4* [1.5; 11.4] | 0.0113 |
Income (ref = Q1) | ||
 Q2 | 2.8 [−1.5; 7.1] | 0.1991 |
 Q3 | 3.4 [−1.0; 7.9] | 0.1265 |
 Q4 | 5.7* [1.3; 10.1] | 0.0113 |
Married | 0.6 [−3.4; 4.5] | 0.7766 |
Unemployed/retired | 3.2 [−1.5; 8.0] | 0.1846 |
smoking | 1.0 [−2.9; 4.9] | 0.6167 |
Diabetes duration (ref = <5 years) | ||
 5–10 years | −4.7* [−8.5; −0.8] | 0.0180 |
  > 10 years | −6.3*[−9.9; −2.6] | 0.0009 |
Comorbidities | ||
 Cardiovascular diseases | −2.0 [−7.2; 3.2] | 0.4490 |
 Kidney diseases | −1.4 [−6.8; 4.0] | 0.6017 |
 Neurological diseases | −4.5 [−11.0; 1.9] | 0.1691 |
 Eye problems | −0.6 [−3.8; 2.6] | 0.7195 |
 Foot ulcer | −13.5*[−21.9; −5.1] | 0.0017 |