Table 3 Baseline demographic data of patients enrolled in the REAL study
From: The REAL study: a nationwide prospective study of rheumatoid arthritis in Brazil
Demographic data | Absolute value or % | N |
|---|---|---|
Age, years, median (range) | 56.7 (22.1–88.8) | 1115 |
Female gender, % | 89.4 | 1115 |
Ethnicity/race/color, % | 1115 | |
White | 56.8 | |
Pardoa | 31.3 | |
Black | 10.9 | |
Others | 1.0 | |
Smoking, % | 1115 | |
Smoker | 10.9 | |
Former smoker | 28.6 | |
Never smoked | 60.5 | |
BMI categories, % | 1046 | |
Low weight | 5.0 | |
Normal | 31.5 | |
Overweight | 35.3 | |
Obesity | 28.2 | |
Total formal education time, years, median (range) | 8 (0–20) | 1075 |
Brazilian Economic Classification Criterion: Socioeconomic Strata: Gross family income in the month in US dollarb, % | 1101 | |
A (5,921.00) | 1.4 | |
B1 (2623.00) | 3.5 | |
B2 (1357.00) | 18.4 | |
C1 (766.81) | 27.4 | |
C2 (460.65) | 31.3 | |
D-E (217.71) | 18.0 |