Multi-trait, multi-method correlation matrix (non-parametric Spearman’s coefficients)_
| Item | WB-HRQ-oL score, rated by investigators | VAS scale | WB- HRQoL score, rated by patients | WHO- QoL Bref, 1st item, rated by investigators | WHO- QoL Bref, 2nd item, rated by investigators | WHO- QoL Bref, Physical health, rated by investigators | WHO- QoL Bref, Psychic health, rated by investigators | WHO- QoL Bref, Social relations, rated by investigators | WHO- QoL Bref, Environment, rated by investigators | WHO- QoL Bref, 1st item, rated by patients | WHO- QoL Bref, 2nd item, rated by patients | WHO- QoL Bref, Physical health, rated by patients | WHO- QoL Bref, Psychic health, rated by patients | WHO- QoL Bref, Social relations, rated by patients | WHO- QoL Bref, Environment, rated by patients | ERQ score, rated by investigators | ERQ score, rated by patients |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WB-HRQoL score, rated by investigators | 1.000 | ||||||||||||||||
| VAS scale | .537** | 1.000 | |||||||||||||||
| WB-HRQoL score, rated by patients | .857** | .490** | 1.000 | ||||||||||||||
| WHOQoL Bref, 1st item, rated by investigators | .519** | .523** | .477** | 1.000 | |||||||||||||
| WHOQoL Bref, 2nd item, rated by investigators | .524** | .575** | .503** | .539** | 1.000 | ||||||||||||
| WHOQoL Bref, Physical health, rated by investigators | .709** | .595** | .650** | .483** | .589** | 1.000 | |||||||||||
| WHOQoL Bref, Psychic health, rated by investigators | .714** | .521** | .632** | .571** | .429** | .689** | 1.000 | ||||||||||
| WHOQoL Bref, Social relations, rated by investigators | .641** | .426** | .639** | .466** | .376** | .555** | .592** | 1.000 | |||||||||
| WHOQoL Bref, Environment, rated by investigators | .576** | .237** | .549** | .456** | .282** | .442** | .564** | .476** | 1.000 | ||||||||
| WHOQoL Bref, 1st item, rated by patients | .518** | .524** | .607** | .669** | .483** | .501** | .503** | .486** | .433** | 1.000 | |||||||
| WHOQoL Bref, 2nd item, rated by patients | .448** | .583** | .517** | .483** | .769** | .529** | .375** | .367** | .247** | .571** | 1.000 | ||||||
| WHOQoL Bref, Physical health, rated by patients | .620** | .580** | .656** | .411** | .594** | .869** | .558** | .431** | .299** | .527** | .588** | 1.000 | |||||
| WHOQoL Bref, Psychic health, rated by patients | .593** | .411** | .656** | .412** | .344** | .588** | .840** | .489** | .457** | .551** | .400** | .591** | 1.000 | ||||
| WHOQoL Bref, Social relations, rated by patients | .616** | .371** | .693** | .410** | .345** | .441** | .530** | .829** | .413** | .565** | .427** | .471** | .572** | 1.000 | |||
| WHOQoL Bref, Environment, rated by patients | .583** | .259** | .646** | .482** | .261** | .381** | .545** | .508** | .843** | .515** | .345** | .386** | .574** | .562** | 1.000 | ||
| ERQ score, rated by investigators | .264** | -.005 | .269** | .115* | .022 | .116* | .228** | .119** | .334** | .079 | -.010 | .062 | .215** | .146* | .312** | 1.000 | |
| ERQ score, rated by patients | .310** | -.068 | .293** | .128* | .036 | .156** | .201** | .205** | .363** | .113 | .077 | .099 | .205** | .225** | .367** | .832** | 1.000 |
Mean values, standard deviation, skewness and kurtosis of responses to items of WB-HRQoL_
| Independent variables | Mean response | Standard deviation | Skewness | Kurtosis |
|---|---|---|---|---|
| I do not feel any pain (Q1) | 3.350 | 1.376 | -.426 | -1.210 |
| I can perform any physical activity without limitation (Q2) | 3.572 | 1.311 | -.579 | -.774 |
| I fall asleep easy and I sleep long enough; when I wake up, I feel rested (Q3) | 3.523 | 1.297 | -.468 | -.710 |
| I take care of myself completely (Q4) | 4.482 | .964 | -1.067 | 3.607 |
| My physical condition is excellent (Q5) | 3.382 | 1.267 | -1.350 | -.857 |
| I am always in a good mood (Q6) | 3.631 | 1.063 | -.887 | -.373 |
| I feel upset very rarely (Q7) | 3.631 | 1.128 | -1.547 | -.667 |
| I feel good in my skin (Q8) | 4.040 | 1.119 | -1.070 | .352 |
| Life is beautiful (Q9) | 4.169 | 1.087 | -1.137 | 1.143 |
| The world is beautiful (Q10) | 3.883 | 1.145 | -.711 | .023 |
| My family relations are excellent (Q11) | 4.306 | 1.008 | -1.221 | 1.783 |
| I am doing excellently at my job (Q12) | 4.016 | 1.091 | -.606 | .763 |
| I regularly meet my friends and enjoy their company (Q13) | 4.047 | 1.040 | -1.124 | .816 |
| I may say that my sex life is very good (Q14) | 3.668 | 1.333 | -.708 | -.622 |
| My relations with colleagues at job are good (Q15) | 4.207 | .948 | -1.308 | 1.626 |
| I am content with my finances (Q16) | 3.511 | 1.199 | -.426 | -.479 |
| I feel completely safe (Q17) | 4.130 | 1.055 | -.579 | .499 |
| I easily adapt to environmental temperature (Q18) | 3.656 | 1.251 | -.468 | -.516 |
| I do not have problem with breathing where I live or work (Q19) | 4.190 | 1.124 | -1.067 | .716 |
The rotated pattern matrix of the WB-HRQoL scale_
| Item | Factor 1 (Physical aspect of quality of life) | Factor 2 (Environmental aspects of quality of life) | Factor 3 (Psychical aspects of quality of life) | Factor 4 (Social aspects of quality of life) |
|---|---|---|---|---|
| Q1 | .743 | |||
| Q2 | .991 | |||
| Q3 | .531 | |||
| Q4 | .291 | |||
| Q5 | .544 | |||
| Q6 | .377 | |||
| Q7 | .565 | |||
| Q8 | .391 | |||
| Q9 | .926 | |||
| Q10 | .709 | |||
| Q11 | .495 | |||
| Q12 | .703 | |||
| Q13 | .234 | |||
| Q14 | .304 | |||
| Q15 | .688 | |||
| Q16 | .573 | |||
| Q17 | .767 | |||
| Q18 | .587 | |||
| Q19 | .450 |