Fracture risk data
Description
Dataset used in Chapter 8 of Regression Methods in Biostatistics (2nd edition), as distributed on the UCSF companion website. Study design: Fracture-risk analysis subset derived from FIT for generalized linear model examples. Primary article: Black and colleagues (1996), The Lancet.
Usage
fitglm
Format
A data frame with 6459 rows and 22 variables:
- alloc
- ALLOCATION NUMBER
- ra_age
- Age at randomization (years).
- frx
- Indicator for incident fracture outcome.
- nosp
- ANY FRX NOT SPINE
- numnosp
- NUMBER OF NON-SPINE FRX
- trt01
- FIT TREATMENT 1=ALN 0=PLB
- p3_weigh
- Body weight at phase 3 visit.
- htotbmd
- Total Hip BMD
- nbmd
- Bone mineral density at the analyzed skeletal site.
- trialyrs
- YEARS TO DOD OR LAST CONTACT (NEW_LAST)
- frxdays
- DAYS TO FIRST FRX
- nospdays
- DAYS TO FIRST NON-SPINE FRACTURE
- riskcat4
- FALL RISK: 2 OR MORE FALLS, TUAG 12.5 SECONDS
- tneck
- FEM NECK TSCORE, NH98
- bmd25
- BMD FEMORAL NECK T SCORE <= -2.5
- frxyrs
- YEARS TO FIRST FRX
- nospyrs
- YEARS TO FIRST NON-SPINE FRACTURE
- hplac
- HIGH FALL RISK, PLACEBO GROUP
- htrt
- HIGH FALL RISK, TREATMENT GROUP
- lplac
- LOW FALL RISK, PLACEBO GROUP
- ltrt
- LOW FALL RISK, TREATMENT GROUP
- rtgroup
- FOUR LEVEL RISK/TREATMENT GROUP