Table 1.
Measured variables.
| Variables | Type of variable | Measure |
|---|---|---|
| Predictors | ||
| Breast size | ||
| Breast size score | Continuous | Participant information questionnaire |
| Participant characteristics | ||
| Age (years) | Continuous | Participant information questionnaire |
| Body mass index | Continuous | Participant information questionnaire |
| Menopausal status (premenopausal/postmenopausal) | Categorical | Participant information questionnaire |
| Outcomes | ||
| Health-related quality of life | ||
| Physical component summary score | Continuous | SF-36 |
| Mental component summary score | Continuous | SF-36 |
| Breast-related psychosocial wellbeing | Continuous | BREAST-Q |
| Breast-related physical wellbeing | Continuous | BREAST-Q |
| Satisfaction | ||
| Body satisfaction | Continuous | Numerical rating scale |
| Breast satisfaction | Continuous | BREAST-Q |
| Physical activity | ||
| Average physical activity levels | Continuous | Human Activity Profile |
| Upper back pain | ||
| Upper back pain presence (yes/no) | Categorical | Participant information questionnaire |
| Breast and bra fit perceptions | ||
| Breast embarrassment (yes/no) | Categorical | Participant information questionnaire |
| Desire to change breasts (yes/no) | Categorical | Participant information questionnaire |
| Professional bra fit (yes/no) | Categorical | Participant information questionnaire |
| Satisfaction with bra fit (yes/no) | Categorical | Participant information questionnaire |
SF-36: Medical Outcomes Study Short-Form 36 Health Survey.