Validation of the Slovenian version of multiple sclerosis quality of life (MSQOL-54) instrument
, , e | 09 ott 2017
INFORMAZIONI SU QUESTO ARTICOLO
Article Category: Original scientific article
Pubblicato online: 09 ott 2017
Pagine: 260 - 267
Ricevuto: 17 feb 2017
Accettato: 22 ago 2017
DOI: https://doi.org/10.1515/sjph-2017-0035
Parole chiave
© 2017 National Institute of Public Health, Slovenia
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Component loadings after rotation in the Slovenian version of Multiple Sclerosis Quality of Life-54 questionnaire validation study (n=134).
| Rotated factor loadings | ||
|---|---|---|
| Subscale | Component 1 Mental component | Component 2 Physical component |
| Physical health | 0.129 | 0.854 |
| Role limitations due to physical problems | 0.184 | 0.792 |
| Role limitations due to emotional problems | 0.472 | 0.475 |
| Pain | 0.275 | 0.570 |
| Emotional well-being | 0.874 | 0.104 |
| Energy | 0.750 | 0.407 |
| Health perceptions | 0.415 | 0.536 |
| Social function | 0.474 | 0.654 |
| Cognitive function | 0.754 | 0.174 |
| Health distress | 0.698 | 0.320 |
| Sexual function | 0.202 | 0.590 |
| Overall quality of life | 0.701 | 0.432 |
Characteristics of the multiple sclerosis (MS) patients for validation of the Slovenian version of Multiple Sclerosis Quality of Life-54 questionnaire (n=134).
| Characteristic | Category | No. (%)/Median; Min-Max; Q1-Q3 |
|---|---|---|
| Primary | 16 (11.9) | |
| Secondary | 94 (70.1) | |
| College or higher | 24 (17.9) | |
| Employed | 63 (47.0) | |
| Unemployed | 18 (13.4) | |
| Retired | 53 (39.6) | |
| Marital status | Single | 44 (32.8) |
| Married/ | 90 (67.2) | |
| cohabiting | ||
| Rural | 80 (59.7) | |
| Urban | 54 (40.3) | |
| 8; 0-33; 4-12.25 | ||
| Primary progressive | 6 (4.5) | |
| Secondary progressive | 23 (17.2) | |
| Relapsing-remitting | 105 (78.4) | |
clinical worsening of the disease in the past year prior the neurological examination, excluding the period of 30 days prior the examination (a relapse of relapsing-remitting type of MS or an increase of the EDSS score by 1 point in progressive type of MS; EDSS – Expanded Disability Status Scale score | Yes | 51 (38.1) |
| No | 83 (61.9) | |
| Yes | 92 (68.7) | |
| No | 42 (31.3) | |
| 3.0; 0.0-8.0; 1.625-4.5 |
Statistical description and the Cronbach’s Alpha (α) for the Slovenian version of Multiple Sclerosis Quality of Life-54 questionnaire subscales/single item measures (n=134).
| Subscale/Item | N of items | Mean | SD | α |
|---|---|---|---|---|
| Physical health | 10 | 55.7 | 29.6 | 0.94 |
| Role limitations due to physical problems | 4 | 33.1 | 41.0 | 0.90 |
| Role limitations due to emotional problems | 3 | 62.7 | 41.3 | 0.83 |
| Pain | 3 | 65.9 | 24.0 | 0.89 |
| Emotional well-being | 5 | 74.4 | 15.9 | 0.84 |
| Energy | 5 | 55.2 | 19.2 | 0.84 |
| Health perceptions | 5 | 44.6 | 14.8 | 0.58 |
| Social function | 3 | 72.8 | 19.3 | 0.68 |
| Cognitive function | 4 | 71.4 | 23.2 | 0.91 |
| Health distress | 4 | 72.0 | 19.9 | 0.85 |
| Sexual function | 4 | 71.4 | 28.2 | 0.90 |
| Overall quality of life | 2 | 67.8 | 15.9 | 0.86 |
| Change in health α was not computed because the scale is based on a single item. | 1 | 45.3 | 22.6 | |
| Satisfaction with sexual function α was not computed because the scale is based on a single item. | 1 | 61.4 | 25.7 |
The total number and percentage of missing answers within a subscale/single item measure in the Slovenian version of Multiple Sclerosis Quality of Life-54 questionnaire validation study.
| Subscale/Item | N of items | Total N of answers | N of missing answers | % of missing answers |
|---|---|---|---|---|
| Physical health | 10 | 1323 | 17 | 1.3 |
| Role limitations due to physical problems | 4 | 525 | 11 | 2.1 |
| Role limitations due to emotional problems | 3 | 396 | 6 | 1.5 |
| Pain | 3 | 397 | 5 | 1.2 |
| Emotional well-being | 5 | 655 | 15 | 2.2 |
| Energy | 5 | 660 | 10 | 1.5 |
| Health perceptions | 5 | 664 | 6 | 0.9 |
| Social function | 3 | 395 | 7 | 1.7 |
| Cognitive function | 4 | 531 | 5 | 0.9 |
| Health distress | 4 | 532 | 4 | 0.8 |
| Sexual function | 4 | 520 | 16 | 3.0 |
| Overall quality of life | 2 | 264 | 4 | 1.5 |
| Change in health | 1 | 133 | 1 | 0.8 |
| Satisfaction with sexual function | 1 | 129 | 5 | 3.7 |