Neuroepidemiology · 2025
Region of Birth Differences in Medication Adherence among Patients with Stroke or Transient Ischemic Attack.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Kilkenny Monique F, Dalli Lachlan L, Andrew Nadine E, Ung David, Kim Joosup, Sundararajan Vijaya, Cadilhac Dominique A, Thrift Amanda G, Nelson Mark R, Olaiya Muideen T
Аннотация
BACKGROUND AND PURPOSE: Cultural and language barriers may affect quality of care, such as adherence to medications. We examined whether adherence to prevention medications within the year after stroke/transient ischemic attack (TIA) differed by the region of birth.
METHODS: An observational study of adults with stroke/TIA admitted to hospitals in the Australian Stroke Clinical Registry (Queensland, Victoria; 2012-2016; n = 45 hospitals). Data from the registry were linked with administrative data. Region of birth was categorized into 10 groups (Australia, Other Oceania, North-West Europe, Southern/Eastern Europe, North Africa/Middle East, South-East Asia, North-East Asia, Southern/Central Asia, Americas, Sub-Saharan Africa). Analysis was limited to those with a first-ever stroke/TIA who were dispensed an antihypertensive, lipid-lowering, or antithrombotic medication within 1-year post-discharge. Medication adherence was calculated based on the proportion of days covered until 1-year immediately post-discharge/death. Associations between region of birth and being adherent (PDC ≥80%) were determined using multivariable logistic regression (adjusted for age, sex, stroke type, ability to walk on admission, discharge destination, socioeconomic position, main language spoken, comorbidity score).
RESULTS: Among 24,236 eligible participants (median age 74 years, 44% female, 68% Australian-born), 54% were adherent to antihypertensive medications, 56% to lipid-lowering medications, and 49% to antithrombotic medications. Compared to Australian-born participants, those born in Other Oceania (4.0%) were less likely to be adherent to lipid-lowering medications (odds ratio [OR] 0.78, 95% CI: 0.67-0.90) and antithrombotic (OR 0.84, 95% CI: 0.72-0.97). Compared to Australian-born participants, those born in Southern and Central Asia (1.4%) were less likely to be adherent to lipid-lowering medications (OR: 0.76, 95% CI: 0.58-0.99) and antithrombotic (0.55, 95% CI: 0.40-0.76). No significant differences were found with other regions.
CONCLUSIONS: Disparities by the region of birth were observed in medication adherence after stroke/TIA for participants born in Asia and Oceania. Targeted education to improve medication adherence, specific to the needs of these groups, is warranted.
METHODS: An observational study of adults with stroke/TIA admitted to hospitals in the Australian Stroke Clinical Registry (Queensland, Victoria; 2012-2016; n = 45 hospitals). Data from the registry were linked with administrative data. Region of birth was categorized into 10 groups (Australia, Other Oceania, North-West Europe, Southern/Eastern Europe, North Africa/Middle East, South-East Asia, North-East Asia, Southern/Central Asia, Americas, Sub-Saharan Africa). Analysis was limited to those with a first-ever stroke/TIA who were dispensed an antihypertensive, lipid-lowering, or antithrombotic medication within 1-year post-discharge. Medication adherence was calculated based on the proportion of days covered until 1-year immediately post-discharge/death. Associations between region of birth and being adherent (PDC ≥80%) were determined using multivariable logistic regression (adjusted for age, sex, stroke type, ability to walk on admission, discharge destination, socioeconomic position, main language spoken, comorbidity score).
RESULTS: Among 24,236 eligible participants (median age 74 years, 44% female, 68% Australian-born), 54% were adherent to antihypertensive medications, 56% to lipid-lowering medications, and 49% to antithrombotic medications. Compared to Australian-born participants, those born in Other Oceania (4.0%) were less likely to be adherent to lipid-lowering medications (odds ratio [OR] 0.78, 95% CI: 0.67-0.90) and antithrombotic (OR 0.84, 95% CI: 0.72-0.97). Compared to Australian-born participants, those born in Southern and Central Asia (1.4%) were less likely to be adherent to lipid-lowering medications (OR: 0.76, 95% CI: 0.58-0.99) and antithrombotic (0.55, 95% CI: 0.40-0.76). No significant differences were found with other regions.
CONCLUSIONS: Disparities by the region of birth were observed in medication adherence after stroke/TIA for participants born in Asia and Oceania. Targeted education to improve medication adherence, specific to the needs of these groups, is warranted.