Demographic variables summary (n=2181)
Summary of patients with both PSC-17 and BMI measures
Variables	Values
Age Groups at Baseline (first visit)
6-10 years	831 (38.00%)
11-14 years	1017 (46.60%)
15-18 years	333 (15.20%)
Sex
Female	619 (52.00%)
Male	572 (48.00%)
Race and Ethnicity
Non-Hispanic White	1847 (84.69%)
Non-Hispanic Black	111 (5.09%)
Non-Hispanic Asian	9 (0.41%)
Non-Hispanic American Indian or Alaska Native	1 (0.05%)
Non-Hispanic Other Pacific Islander	1 (0.05%)
Non-Hispanic Other	43 (1.97%)
Non-Hispanic Unknown	14 (0.64%)
Hispanic White	55 (2.52%)
Hispanic Black	16 (0.73%)
Hispanic Filipino	1 (0.05%)
Hispanic Other Pacific Islander	1 (0.05%)
Hispanic Unknown	2 (0.09%)
Hispanic Other	69 (3.16%)
Other	2 (0.09%)
Unknown	6 (0.28%)
Patient Refused	3 (0.14%)
Insurance Type
Private	1230 (56.40%)
Public	925 (42.41%)
Other	22 (1.00%)
Unknown	4 (0.18%)
Patients 2-5 years old who don’t have PSC-17 data are not included in this summary