BCSC Risk Factor Data dictionary - onetomapanalytics/Meta_Data GitHub Wiki
BCSC Risk Factor Data dictionary
| Variable Name | Description | Coding |
|---|---|---|
| year | Calendar year of observation | Numerical, 2005-2017 |
| age_group_5_years | Age (years) in 5 year groups | 1 = Age 18-29; 2 = Age 30-34; 3 = Age 35-39; 4 = Age 40-44; 5 = Age 45-49; 6 = Age 50-54; 7 = Age 55-59; 8 = Age 60-64; 9 = Age 65-69; 10 = Age 70-74; 11 = Age 75-79; 12 = Age 80-84; 13 = Age >85 |
| race_eth | Race/ethnicity | 1 = Non-Hispanic white ; 2 = Non-Hispanic black; 3 = Asian/Pacific Islander; 4 = Native American; 5 = Hispanic; 6 = Other/mixed; 9 = Unknown" |
| first_degree_hx | History of breast cancer in a first degree relative | 0 = No; 1 = Yes; 9 = Unknown |
| age_menarche | Age (years) at menarche | 0 = Age >14; 1 = Age 12-13; 2 = Age <12; 9 = Unknown |
| age_first_birth | Age (years) at first birth | 0 = Age < 20; 1 = Age 20-24; 2 = Age 25-29; 3 = Age >30; 4 = Nulliparous; 9 = Unknown |
| BIRADS_breast_density | BI-RADS breast density | 1 = Almost entirely fat; 2 = Scattered fibroglandular densities; 3 = Heterogeneously dense; 4 = Extremely dense; 9 = Unknown or different measurement system |
| current_hrt | Use of hormone replacement therapy | 0 = No; 1 = Yes; 9 = Unknown |
| menopaus | Menopausal status | 1 = Pre- or peri-menopausal; 2 = Post-menopausal; 3 = Surgical menopause; 9 = Unknown |
| bmi_group | Body mass index (kg/m2) | 1 = 10-24.99; 2 = 25-29.99; 3 = 30-34.99; 4 = 35 or more; 9 = Unknown |
| biophx | Previous breast biopsy or aspiration | 0 = No; 1 = Yes; 9 = Unknown |
| breast_cancer_history | Prior breast cancer diagnosis | 0 = No; 1 = Yes; 9 = Unknown |
| count | Frequency count of this combination of covariates | Numerical |
BCSC Risk Factor Data dictionary