Psychometric assessment of the Multidimensional Quality of Life Questionnaire for Persons Infected with HIV or with AIDS in a cohort of HIV-infected women
Bibliographic record
Abstract
This methodological study was designed to assess the psychometric properties of a relatively new HIV-specific quality of life questionnaire, the Multidimensional Quality of Life Questionnaire for Persons Living with HIV or with AIDS (MQOL-HIV), in a cohort of Canadian, HIV-infected women. The study was prompted by an identified lack of information regarding the validity and reliability of HIV-specific quality of life (QOL) scales in populations of HIV-infected women. The specific analyses conducted were content validity, concurrent validity, internal consistency, and test-retest reliability. The study was conducted in the fall of 2001 at the Oak Tree Clinic, British Columbia's outpatient referral centre for women, children, and families living with HIV. Seven health care professionals and six patients participated in the content validity testing, which involved rating the validity of the 40 items and 10 domains of the MQOL-HIV. Eighty-five patients participated in the concurrent validity and internal consistency testing, which involved baseline completion of the MQOL-HIV and the Medical Outcomes Study - HIV Health Survey (MOSHIV) during a clinic visit. Forty-three patients participated in the test-retest reliability testing, which involved completing a second MQOL-HIV two weeks after baseline. Content validity findings indicated that most of the items and all of the domains of the scale were valid for HIV-infected women, but that revision and replacement of some of the items were needed. Several important domains and aspects of domains were identified as missing from the scale. Five domains, the Summary Index, and the overall scale demonstrated strong concurrent validity when correlated with similar domains contained in the more commonly used MOS-HIV. Most of the domains demonstrated strong internal consistency and test-retest reliability. The findings were consistent with the literature, indicating that QOL scales require revalidation in new populations, and that dimensions and aspects of QOL may differ for HIVinfected women. Although the MQOL-HIV was developed with HIV-infected patients, some of whom were women, the need for subsequent validation in female populations was underscored. The content validity findings supported those found by others in that the QOL domains and aspects of salience may vary depending on gender and cultural context. This study represents one of the first of its kind to validate an HIV-specific QOL scale in women, and provides preliminary findings in terms of the unique dimensions of QOL for HIV-infected women.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".