Description

osteoarthritis includes demographic data of 2,585 units (individuals) with or at risk of knee osteoarthritis. The recorded data has missing values in body mass index (BMI, a quantitative variable), race (RAC, a categorical qualitative variable), smoking status (SMK, a binary qualitative variable), osteoporosis status at baseline (OSP, a binary qualitative variable), and knee osteoarthritis status at follow-up (KOA, a binary qualitative variable).

Usage

Format

This dataset contains 2,585 rows and 7 columns. Each row presents data of an unit (individual) and each column presents data of a characteristics of that individual. The columns are:

AGE

Age of each unit (individual);

SEX

Gender of each unit (individual), coded as 0 (female) and 1 (male);

BMI

Estimated body mass index of each unit (individual);

RAC

Race of each unit (individual), coded as 0 (other), 1 (caucasian), 2 (african american), and 3 (asian);

SMK

The smoking status of each unit, coded as 0 (non-smoker) and 1 (smoker);

OSP

Osteoporosis status of each unit (individual) at baseline, coded as 0 (negative) and 1 (positive); and

KOA

Knee osteoarthritis status of each unit (individual) in the follow-up, coded as 0 (at risk) and 1 (diagnosed).

Source

The information presented in the osteoarthritis dataset is based on the publicly available data of the Osteoarthritis Initiative (OAI) project (see https://nda.nih.gov/oai/ for details), with changes.