Uganda Liver Disease Study (ULIDS) HBV data – Data Codebook

Persistent identifier

10.17037/DATA.00004660

Description

Dataset containing information collected from 210 individuals diagnosed with chronic Hepatitis B virus who gave informed consent to participate in the Uganda General Population Cohort and Uganda Liver Disease Study. The dataset contains variables on demographics, self-reported medical history and alcohol consumption, anthropometric and laboratory results recorded in 2011 and 2023.

Data codebook

The dataset contains the 26 variables outlined below.

Variable Name Variable Label Answer Label Answer Code Variable Type
idno ID number Open ended   String
r22_age Age in complete years (in 2011) Open ended   Numeric
        String
    13 to 15 13-15  
    16 to 18 16-18  
    19 to 21 19-21  
    22 to 24 22-24  
    25 to 27 25-27  
    28 to 30 28-30  
    31 to 33 31-33  
    34 to 36 34-36  
    37 to 39 37-39  
    40 to 42 40-42  
    43 to 45 43-45  
    46 to 48 46-48  
    49 to 51 49-51  
    53 to 55 53-55  
    56 to 58 56-58  
    59 to 61 59-61  
    62 to 64 62-64  
    65 to 67 65-67  
    68 to 70 68-70  
    71 or over 71 or over  
r22_sex Sex in 2011     String
    Male Male  
    Female Female  
r22_ht Weight (kg) in 2011 Open ended   Numeric
r22_wt Height (cm) in 2011 Open ended   Numeric
r22_hba1c Glycated haemoglobin level in 2011 Open ended   Numeric
r22_hiv_status HIV status in 2011     String
    Negative Negative  
    Positive Positive  
vl_2011 Hepatitis B virus viral load (IU/ml) in 2011 Open ended   Numeric
diabetes Self-reported history of diabetes mellitus in 2023     String
    Yes Yes  
    No No  
htn Self-reported history of hypertension in 2023     String
    Yes Yes  
    No No  
alcohol_often Self-reported frequency of alcohol consumption in 2023     Numeric
    Never 0  
    Very rarely 1  
    Every month 2  
    Every week 3  
    Every day 4  
wt Weight (kg) in 2023 Open ended   Numeric
ht Height (cm) in 2023 Open ended   Numeric
kpa Median kPa value measured by transient elastography (Fibroscan) in 2023 Open ended   Numeric
iqr Interquartile range (IQR) for the transient elastography measurement (Fibroscan) in 2023 Open ended   Numeric
iqr_med Interquartile range (IQR) to median ratio (Fibroscan) in 2023 Open ended   Numeric
valid_mea Number of valid measurements taken during Fibroscan in 2023 Open ended   Numeric
total_mea Total number of measurements taken during Fibroscan in 2023 Open ended   Numeric
rhivt4 HIV status in 2023     Numeric
    Positive 1  
    Negative 2  
    Indeterminate 3  
platelets Platelet count in 2023 Open ended   Numeric
hbv_vl_2023 Hepatitis B virus viral load (IU/ml) in 2023 Open ended   Numeric
alt Alanine aminotransferase in 2023 Open ended   Numeric
ast Aspartate aminotransferase in 2023 Open ended   Numeric
antihbs Hepatitis B surface antibody in 2023     String
    Positive Positive  
    Negative Negative  
antihbc Hepatitis B core antibody in 2023     String
    Positive Positive  
    Negative Negative  
hbsag Hepatitis B surface antigen in 2023     String
    Positive Positive  
    Negative Negative