Table 3.
Adjusted prevalence ratios for the association of patient portal account existence and the HIV outcomes of retention in care and viral suppression—complete case analysis. All models adjusted for variables included in the table as well as the year of cohort entry.
| Characteristic | Retention in care model, aPRa (95% CI) | Viral suppression model, aPR (95% CI) | |
| Account status (variable lagged by 1 year) | |||
|
|
No account | REFb | REF |
|
|
Account exists | 1.13 (1.07-1.19)* | 1.16 (1.10-1.23)* |
| Baseline age (per 10 years) | 1.08 (1.06-1.10)* | 1.08 (1.06-1.11)* | |
| Sex | |||
|
|
Male | REF | REF |
|
|
Female | 1.05 (0.98-1.13) | 1.01 (0.93-1.09) |
| Race/ethnicity | |||
|
|
Black non-Hispanic | 0.96 (0.97-1.01) | 0.92 (0.87-0.98)* |
|
|
Hispanic | 1.00 (0.91-1.10) | 0.97 (0.87-1.08) |
|
|
White non-Hispanic | REF | REF |
|
|
Other/unknown | 0.95 (0.88-1.01) | 0.96 (0.90-1.03) |
| HIV risk factor | |||
|
|
MSMc | 1.06 (0.93-1.21) | 1.05 (0.92-1.20) |
|
|
Heterosexual | 1.12 (0.98-1.28) | 1.12 (0.97-1.29) |
|
|
IDUd | REF | REF |
|
|
Other/unknown | 1.01 (0.85-1.20) | 1.01 (0.85-1.21) |
| Insurance | |||
|
|
Private | REF | REF |
|
|
Public | 0.97 (0.91-1.04) | 0.94 (0.88-1.01) |
|
|
Ryan White | 1.00 (0.95-1.05) | 0.96 (0.90-1.01) |
| Baseline CD4+ count (square-root transformed; cells/µL) | |||
|
|
100 | 1.00 (0.98-1.03) | 0.99 (0.98-1.05) |
|
|
200 | 1.00 (0.99-1.02) | 0.99 (0.99-1.02) |
|
|
350 | REF | REF |
|
|
500 | 1.00 (0.99-1.01) | 1.01 (0.99-1.02) |
| Baseline HIV-1 RNA viral load (log10-transformed; copies/mL) | 1.00 (0.98-1.02) | 0.96 (0.94-0.98)* | |
aaPR: adjusted prevalence ratio.
bREF: reference.
cMSM: men who have sex with men.
dIDU: injection drug use.
*P<.05.