Table 1 Health-Related Quality of Life Variables
Revised Wilson and Cleary HRQOL Concepts | Study Variable | Measurement Tool |
|---|---|---|
Characteristics of individual | Age, gender, marital status | Demographic questionnaire |
Characteristics of environment | Social support | Medical Outcomes Study – Social Support |
Biological function | Type of surgery, number of spinal levels, BMI | Medical Chart Review, Medical History Form |
Symptoms | Mood | Profile of Moods State (POMS-Brief) |
| Â | Pain | Numeric Pain Rating Scale |
Functional status | Disability level | Oswestry Disability Index for Low Back Pain |
General health perceptions | Overall health | Overall health item |
Quality of life | Perceived physical HRQOL | SF-12 Physical component summary |
| Â | Perceived mental HRQOL | SF-12 Mental health component summary |