variable,meaning,values_or_units,missing_rule
synthetic_id,"Fictional row identifier, not a person",1 to 80,None
age_years,Synthetic age,Years,Blank = missing
sex_code,Fictional category for teaching,1 = category A; 2 = category B,Blank = missing
water_source_code,Fictional water-source category,1 = source A; 2 = source B; 3 = source C,Blank = missing
diarrhoea_last14d,Fictional symptom indicator,0 = no; 1 = yes,Blank = missing
systolic_bp_mmHg,Synthetic measurement for numeric practice,"mmHg; generated values, not reference ranges",Blank = missing