FIT BMD data
Description
Dataset used in Chapter 9 of Regression Methods in Biostatistics (2nd edition), as distributed on the UCSF companion website. Study design: Longitudinal FIT subset focused on bone mineral density outcomes. Primary article: Black and colleagues (1996), The Lancet.
Usage
fitdata
Format
A data frame with 5813 rows and 10 variables:
- tx
- Treatment assignment
- age
- Calculated baseline age
- bmi
- Baseline BMI (kg/m^2)
- smoking
- Baseline smoking status
- blnspfx
- History of non-spine fracture
- blvfx
- History of vertebral fracture
- blbmd
- Baseline femoral neck BMD
- cobmd
- End of study femoral neck BMD
- newvfx
- New vertebral fracture
- newnspfx
- New non-spine fracture