Cost of Care for HIV-Infected Patients with Co-Occurring Substance Use Disorder or Psychiatric Disease: Report from a Large, Integrated Health Plan

Table 1

Distribution of study characteristics in HIV-infected patients receiving care at Kaiser Permanente Northern California (KPNC) health plan.

Characteristic	𝑁 (%)
Age (years) at entry into study
<30	1895 (13.5%)
30–39	5492 (39.2%)
40–49	4484 (32.0%)
50–59	1704 (12.2%)
60+	439 (3.1%)
Gender
Female	1329 (9.5%)
Male	12685 (90.5%)
Race/ethnicity
African-American	2408 (17.2%)
Asian/Pacific Islander	612 (4.4%)
Hispanic	1831 (13.1%)
White	7806 (55.7%)
Other/unknown	1357 (9.7%)
HIV transmission risk
Heterosexual sex	1781 (12.7%)
Men having sex with men (MSM)	9006 (64.3%)
Injection drug use and no MSM	531 (3.8%)
Injection drug use and MSM	575 (4.1%)
Coagulation disorder/transfusion	221 (1.6%)
Unknown	1900 (13.6%)
Any antiretroviral use during followup
No	2878 (20.5)
Yes	11136 (79.5%)
AIDS diagnosis at entry or during followup
No	5979 (42.7%)
Yes	8035 (57.3%)
CD4 counts (cells/𝜇L) at entry into study
<100	2336 (16.7%)
100–200	1541 (11.0%)
201–349	2615 (18.7%)
350–499	2592 (18.5%)
>=500	3444 (24.6%)
Missing	1486 (10.6%)
HIV RNA level (copies/mL) at entry into study
≥50119	2317 (16.5%)
1995–<50119	2781 (19.8%)
501–<1995	509 (3.6%)
<501	2596 (18.5%)
Missing	5811 (41.5%)
Substance use disorder/psychiatric disease diagnosis
No SU disorder or PD diagnosis	8844 (63.1%)
SU disorder diagnosis only	1640 (11.7%)
PD diagnosis only	1966 (14.0%)
both SU disorder and PD diagnosis	1564 (11.2%)
Total	14014 (100%)