Correlates of personal health record registration and utilization among veterans with HIV

Is the Risk of Alzheimer's Disease and Related Dementias Among U.S. Veterans Influenced by the Intersectionality of Housing Status, HIV/AIDS, Hepatitis C, and Psychiatric Disorders?

BACKGROUND

Homelessness and housing instability disproportionately affect U.S. veterans with psychiatric disorders, human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS), hepatitis C, and Alzheimer's disease and related disorders (ADRD). We examined housing status and/or HIV/AIDS in relation to ADRD risk and evaluated hepatitis C, substance use, and mental health disorders as mediators and/or moderators of hypothesized relationships, among U.S. veterans ≥50 years of age seeking Department of Veterans Affairs (VA) healthcare services.

METHODS

A retrospective cohort study was conducted using linked VA Homeless Operations Management and Evaluation System and Corporate Data Warehouse databases (2017-2023) on 3 275 098 eligible veterans yielding 133 388 ADRD cases over 5 years of follow-up. Multivariable regression and causal mediation analyses were performed, controlling for demographic and clinical characteristics.

RESULTS

Taking stably housed veterans without HIV/AIDS as referent, ADRD risk was higher among veterans with homelessness/housing instability alone (adjusted hazard ratio [aHR] = 1.67, 95% confidence interval [CI]: 1.63,1.72), lower among veterans with HIV/AIDS alone (aHR = 0.65, 95% CI: 0.58,0.73), but similar to veterans with homelessness/housing instability and HIV/AIDS (aHR = 1.01, 95% CI: 0.79,1.29). In adjusted models, hepatitis C and psychiatric disorders were positively related to homelessness/housing instability and ADRD risk, but negatively related to HIV/AIDS. Statistically significant mediation and/or moderation of hepatitis C and psychiatric disorders were observed, although <10% of total effects were explained by these characteristics, controlling for confounders.

CONCLUSIONS

Among older veterans, ADRD diagnoses over 5 years were less among those with HIV/AIDS, but more among those with homelessness/housing instability, and these relationships were partly explained by hepatitis C and psychiatric disorders.

Relationship Between Patient Portal Tool Use and Medication Adherence and Viral Load Among Patients Living with HIV

BACKGROUND

Patient portals play an increasingly critical role in engaging patients in their health care. They have the potential to significantly impact the health of those living with chronic diseases, such as HIV, for whom consistent care engagement is both critical and complex.

OBJECTIVE

The primary aim was to examine the longitudinal relationships between individual portal tool use and health-related outcomes in patients living with HIV.

DESIGN

Retrospective cohort study using electronic health record data to examine the relationship between patient portal tool use and key HIV-specific, health-related outcomes in patients engaged in care in the Veterans Health Administration (VA) through the application of marginal structural models.

PARTICIPANTS

A national sample of patients living with HIV (PLWH) active in VA care who were registered to use the VA's patient portal, My HealtheVet (MHV; n = 18,390) between 10/1/2012 and 4/1/2017.

MAIN MEASURES

The MHV tools examined were prescription refill (including prescription refill of an antiretroviral (ART) medication and any medication), secure messaging, view appointments, and view labs. Primary outcomes were viral load test receipt, viral load suppression, and ART medication adherence (measured as proportion of days covered).

KEY RESULTS

The use of prescription refill for any medication or for ART was positively associated with ART adherence. Secure messaging was positively associated with ART adherence but not with viral load test receipt or viral load suppression. The use of view appointments was positively associated with ART adherence and viral load test receipt but not viral load suppression. The use of view labs was positively associated with viral load suppression but not ART adherence or viral load test receipt.

CONCLUSIONS

These findings highlight the valuable role patient portals may play in improving health-related outcomes among PLWH and have implications for patients living with other types of chronic disease.

Use of the Veterans Health Administration online patient portal among Veterans with spinal cord injuries and disorders

CONTEXT/OBJECTIVE

Online patient portals like the Veteran Health Administration's (VA) My HealtheVet (MHV) may be particularly useful for Veterans with spinal cord injuries/disorders (SCI/D), many of whom experience barriers to care. The objective of this analysis was to examine MHV use among Veterans with SCI/D.

DESIGN

Retrospective database analysis.

SETTING

VA SCI/D System of Care.

PARTICIPANTS

Veterans with SCI/D who utilize VA care.

INTERVENTIONS

N/A.

OUTCOME MEASURES

MHV registration and use of key portal features among Veterans who newly registered for MHV. Veteran characteristics associated with registration and use of portal features using multiple logistic regression.

RESULTS

14.6% of Veterans with SCI/D in our sample registered to use MHV. 48.7% used the medication refill feature, 28.7% used the appointment view feature, 25.0% sent or read at least one secure message and 10.8% used the Blue Button feature. Adjusted analyses indicate that having a C5-8 (OR: 1.36, CI95%: 1.06-1.76, P < 0.05) or T1-S5 (OR: 1.41, CI95%: 1.13-1.78, P < 0.01) (vs. C1-C4), having (vs. not having) neurogenic bladder (OR: 1.45, CI95%: 1.18-1.77, P < 0.01), being married (vs. not married) (OR: 2.00, CI95%: 1.67-2.39, P < 0.01), and increased healthcare utilization in the third (OR: 1.71, CI95%: 1.31-2.24, P < 0.01) and fourth (OR: 1.73, CI95%: 1.27-2.34, P < 0.01) quartiles (vs. first quartile) were associated with increased odds of MHV registration. We also identified factors associated with use of key MHV features.

CONCLUSIONS

Our results suggest that MHV registration and use of key portal features was limited among Veterans with SCI/D. Effort to increase portal use in this population are warranted.