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AHRQ Research Studies
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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
Results
1 to 25 of 67 Research Studies DisplayedFarias AJ, Wu WH, Du XL
Racial differences in long-term adjuvant endocrine therapy adherence and mortality among Medicaid-insured breast cancer patients in Texas: findings from TCR-Medicaid linked data.
There are racial/ethnic disparities in breast cancer mortality that may be attributed to differences in receipt of adjuvant cancer treatment. The purpose of this article was to determine whether the mortality disparities could be explained by racial/ethnic differences in long-term adherence to adjuvant endocrine therapy (AET). The investigators concluded that long-term adherence in the Medicaid population was suboptimal and racial/ethnic differences in AET adherence may partially explain disparities in mortality.
AHRQ-funded; HS018956.
Citation: Farias AJ, Wu WH, Du XL .
Racial differences in long-term adjuvant endocrine therapy adherence and mortality among Medicaid-insured breast cancer patients in Texas: findings from TCR-Medicaid linked data.
BMC Cancer 2018 Dec 4;18(1):1214. doi: 10.1186/s12885-018-5121-z..
Keywords: Cancer: Breast Cancer, Disparities, Medicaid, Patient Adherence/Compliance, Racial and Ethnic Minorities
Chudy-Onwugaje K, Abutaleb A, Buchwald A
Age modifies the association between depressive symptoms and adherence to self-testing with telemedicine in patients with inflammatory bowel disease.
This study researched the association between age and increased depressive symptoms and adherence to self-testing with telemedicine in patients with inflammatory bowel disease (IBD). It was found that patients 40 and older had worse adherence than patients younger than 40 with depressive symptoms.
AHRQ-funded; HS018975.
Citation: Chudy-Onwugaje K, Abutaleb A, Buchwald A .
Age modifies the association between depressive symptoms and adherence to self-testing with telemedicine in patients with inflammatory bowel disease.
Inflamm Bowel Dis 2018 Nov 29;24(12):2648-54. doi: 10.1093/ibd/izy194..
Keywords: Chronic Conditions, Depression, Digestive Disease and Health, Patient Adherence/Compliance, Patient Self-Management, Telehealth
Parikh K, Paul J, Foushee N
Barriers and facilitators to asthma care after hospitalization as reported by caregivers, health providers, and school nurses.
This study focused on developing a comprehensive understanding of asthma care after hospitalization of children as reported by caregivers, health providers, and school nurses. The children had a median age of 7 years, mean hospital length of stay of 1.9 days, and 56% had a previous hospitalization in the last 12 months. Family caregivers and health professionals were given individual interviews while focus groups were conducted with school nurses. There were different health beliefs about asthma knowledge between caregivers and health professionals. School nurses highlighted specific barriers that focused on medication use in schools.
AHRQ-funded; HS024554.
Citation: Parikh K, Paul J, Foushee N .
Barriers and facilitators to asthma care after hospitalization as reported by caregivers, health providers, and school nurses.
Hosp Pediatr 2018 Nov;8(11):706-17. doi: 10.1542/hpeds.2017-0182..
Keywords: Asthma, Hospitalization, Children/Adolescents, Caregiving, Patient Adherence/Compliance, Education
Badawy SM, Thompson AA, Liem RI
Beliefs about hydroxyurea in youth with sickle cell disease.
The objectives of this study were to assess beliefs about hydroxyurea using the Beliefs about Medicines Questionnaire (BMQ), and to examine the relationship of patients' beliefs to their hydroxyurea adherence and health-related quality of life (HRQOL). The investigators found that beliefs about hydroxyurea correlated with HRQOL scores and adherence levels. The authors suggest that addressing patients' concerns about hydroxyurea and medications overall as well as routine assessment of adherence and beliefs could help to overcome adherence barriers.
AHRQ-funded; HS023011.
Citation: Badawy SM, Thompson AA, Liem RI .
Beliefs about hydroxyurea in youth with sickle cell disease.
Hematol Oncol Stem Cell Ther 2018 Sep;11(3):142-48. doi: 10.1016/j.hemonc.2018.01.001..
Keywords: Children/Adolescents, Medication, Patient Adherence/Compliance, Quality of Life, Sickle Cell Disease
Kang H, Lobo JM, Kim S
Cost-related medication non-adherence among U.S. adults with diabetes.
The purpose of this study is to examine factors that affect cost-related medication non-adherence (CRN), defined as taking medication less than as prescribed because of cost, among adults with diabetes and to determine their relative contribution in explaining CRN. Among other results, the study found that Insulin users had 1.24 times higher risk of CRN compared to those not on insulin.
AHRQ-funded; HS018542.
Citation: Kang H, Lobo JM, Kim S .
Cost-related medication non-adherence among U.S. adults with diabetes.
Diabetes Res Clin Pract 2018 Sep;143:24-33. doi: 10.1016/j.diabres.2018.06.016..
Keywords: Diabetes, Healthcare Costs, Medication, Patient Adherence/Compliance
Flory JH, Keating SJ, Siscovick D
Identifying prevalence and risk factors for metformin non-persistence: a retrospective cohort study using an electronic health record.
Non-persistence may be a significant barrier to the use of metformin. The objective of this study was to assess reasons for metformin non-persistence, and whether initial metformin dosing or use of extended release (ER) formulations affect persistence to metformin therapy. The investigators concluded that their data supported the routine prescribing of low starting doses of metformin as a tool to improve persistence.
AHRQ-funded; HS023898.
Citation: Flory JH, Keating SJ, Siscovick D .
Identifying prevalence and risk factors for metformin non-persistence: a retrospective cohort study using an electronic health record.
BMJ Open 2018 Jul 23;8(7):e021505. doi: 10.1136/bmjopen-2018-021505..
Keywords: Diabetes, Electronic Health Records (EHRs), Health Information Technology (HIT), Medication, Patient Adherence/Compliance, Outcomes, Patient-Centered Outcomes Research, Risk
Turi KN, Gebretsadik T, Lee RL
Seasonal patterns of asthma medication fills among diverse populations of the United States.
Nonadherence to controller and overuse of reliever asthma medications are associated with exacerbations. In this study, the investigators aimed to determine patterns of seasonal asthma medication use and to identify time period(s) during which interventions to improve medication adherence could reduce asthma morbidity. The investigators concluded that a seasonal pattern of asthma medication fill rates likely represented a reactive response to a loss of disease control and increased symptoms.
AHRQ-funded; HS019669; HS022093.
Citation: Turi KN, Gebretsadik T, Lee RL .
Seasonal patterns of asthma medication fills among diverse populations of the United States.
J Asthma 2018 Jul;55(7):764-70. doi: 10.1080/02770903.2017.1362426..
Keywords: Asthma, Chronic Conditions, Medication, Patient Adherence/Compliance
Beebe L, Smith KD, Oppizzi LM
Telephone Intervention-Problem Solving (TIPS) for schizophrenia spectrum disorders: responses of stable outpatients over nine months.
In this study, the investigators conducted a descriptive analysis of data gathered during calls to 87 stable outpatients with schizophrenia spectrum disorders, receiving weekly telephone intervention-problem solving (TIPS) for nine months. The investigators suggest that their findings regarding racial differences in antipsychotic delivery method warrant further investigation.
AHRQ-funded; HS022166.
Citation: Beebe L, Smith KD, Oppizzi LM .
Telephone Intervention-Problem Solving (TIPS) for schizophrenia spectrum disorders: responses of stable outpatients over nine months.
Issues Ment Health Nurs 2018 Jul;39(7):561-67. doi: 10.1080/01612840.2018.1431824..
Keywords: Ambulatory Care and Surgery, Medication, Behavioral Health, Patient Adherence/Compliance
Kanters AE, Morris AM, Albrahamse PH
The effect of peer support on colorectal cancer patients' adherence to guideline-concordant multidisciplinary care.
Dis Colon Rectum 2018 Jul;61(7):817-23. doi: 10.1097/dcr.0000000000001067.
The purpose of this study was to evaluate the effect of peer support on the attitudes of patients with colorectal cancer toward chemotherapy and their adherence to it. The study demonstrated that exposure to peer support is associated with higher adjuvant chemotherapy adherence.
The purpose of this study was to evaluate the effect of peer support on the attitudes of patients with colorectal cancer toward chemotherapy and their adherence to it. The study demonstrated that exposure to peer support is associated with higher adjuvant chemotherapy adherence.
AHRQ-funded; HS000053.
Citation: Kanters AE, Morris AM, Albrahamse PH .
The effect of peer support on colorectal cancer patients' adherence to guideline-concordant multidisciplinary care.
Dis Colon Rectum 2018 Jul;61(7):817-23. doi: 10.1097/dcr.0000000000001067..
Keywords: Cancer: Colorectal Cancer, Treatments, Guidelines, Medication, Patient Adherence/Compliance
Farias AJ, Wu WH, Du XL
Racial and geographic disparities in adherence and discontinuation to adjuvant endocrine therapy in Texas Medicaid-insured patients with breast cancer.
The purpose of the study is to examine disparities in adjuvant endocrine therapy (AET) adherence and discontinuation among Texas Medicaid-insured early-stage breast cancer patients. The studies concluded that patients from the Texas/Mexico border had higher odds of adherence compared to other regions. There are substantial racial and geographic disparities in AET adherence and discontinuation among Texas Medicaid-insured women.
AHRQ-funded; HS018956.
Citation: Farias AJ, Wu WH, Du XL .
Racial and geographic disparities in adherence and discontinuation to adjuvant endocrine therapy in Texas Medicaid-insured patients with breast cancer.
Med Oncol 2018 Jun 20;35(7):113. doi: 10.1007/s12032-018-1168-6..
Keywords: Cancer: Breast Cancer, Disparities, Medicaid, Patient Adherence/Compliance, Racial and Ethnic Minorities
Fredericksen RJ, Gibbons L, Brown S
Medication understanding among patients living with multiple chronic conditions: implications for patient-reported measures of adherence.
The purpose of this study was to assess knowledge of names and purposes of prescribed medications among patients with multiple chronic conditions. The investigators found that many patients demonstrated difficulty identifying the name and purpose of prescribed medications; this did not differ by demographic group or medication storage type. They suggest that patients may benefit from routine review of medications with their provider in order to improve health literacy, outcomes, and patient-reported adherence measurement.
AHRQ-funded; HS022242.
Citation: Fredericksen RJ, Gibbons L, Brown S .
Medication understanding among patients living with multiple chronic conditions: implications for patient-reported measures of adherence.
Res Social Adm Pharm 2018 Jun;14(6):540-44. doi: 10.1016/j.sapharm.2017.06.009..
Keywords: Chronic Conditions, Health Literacy, Medication, Patient Adherence/Compliance
Favier LA, Taylor J, Loiselle Rich K
Barriers to adherence in juvenile idiopathic arthritis: a multicenter collaborative experience and preliminary results.
The purpose of our study was to design and implement a standardized approach to identifying adherence barriers for youth with juvenile idiopathic arthritis (JIA) and to assess the frequency of adherence barriers in patients and their caregivers across treatment modalities. It concluded that implementing a standardized tool assessing adherence barriers in the JIA population across multiple clinical settings is feasible.
AHRQ-funded; HS021114.
Citation: Favier LA, Taylor J, Loiselle Rich K .
Barriers to adherence in juvenile idiopathic arthritis: a multicenter collaborative experience and preliminary results.
J Rheumatol 2018 May;45(5):690-96. doi: 10.3899/jrheum.171087.
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Keywords: Caregiving, Patient Adherence/Compliance, Quality Improvement, Arthritis, Children/Adolescents
Stringer KL, Azuero A, Ott C
Feasibility and acceptability of real-time antiretroviral adherence monitoring among depressed women living with HIV in the deep south of the US.
The purpose of this study was to present feasibility and acceptability data on the use of an electronic adherence monitor (EAM) among African American women in remote areas of the Southeastern United States with HIV and co-occurring depression. EAM and self-reported antiretroviral therapy (ART) adherence was monitored among 25 participants recruited at four HIV clinics in Alabama. Intra-class correlation showed a low degree of concordance between EAM and self-reported adherence. 83% of data collected via EAM was transmitted in real-time; the remainder was delayed though technological failures or was lost entirely. The authors conclude that EAM monitoring is feasible in a rural US setting but that technological difficulties may impede the device's usefulness for just-in-time adherence interventions.
AHRQ-funded; HS013852.
Citation: Stringer KL, Azuero A, Ott C .
Feasibility and acceptability of real-time antiretroviral adherence monitoring among depressed women living with HIV in the deep south of the US.
AIDS Behav 2018 May;23(5):1306-14. doi: 10.1007/s10461-018-2322-z..
Keywords: Depression, Health Information Technology (HIT), Human Immunodeficiency Virus (HIV), Medication, Behavioral Health, Patient Adherence/Compliance, Rural Health, Telehealth, Women
Mishra SR, Miller AD, Haldar S
Supporting collaborative health tracking in the hospital: patients' perspectives.
Through interviews and design probes, the authors of this study investigated hospitalized patients' health data tracking activity and analyzed their results using the stage-based personal informatics model. Their findings uncovered new directions for HCI research and highlighted ways to support patients in tracking their care and improving patient safety.
AHRQ-funded; HS022894.
Citation: Mishra SR, Miller AD, Haldar S .
Supporting collaborative health tracking in the hospital: patients' perspectives.
Proc SIGCHI Conf Hum Factor Comput Syst 2018;2018. doi: 10.1145/3173574.3174224..
Keywords: Health Information Technology (HIT), Hospitals, Health Information Technology (HIT), Patient Adherence/Compliance, Patient and Family Engagement
Ratanawongsa N, Quan J, Handley MA
Language-concordant automated telephone queries to assess medication adherence in a diverse population: a cross-sectional analysis of convergent validity with pharmacy claims.
In a multilingual urban safety net population, the researchers examined the validity of assessing adherence using automated telephone self-management (ATSM) queries, when compared with non-adherence using continuous medication gap (CMG) on pharmacy claims. They concluded that language-concordant ATSM demonstrated modest potential for assessing adherence.
AHRQ-funded; HS022561; HS023558; HS017261; HS020684.
Citation: Ratanawongsa N, Quan J, Handley MA .
Language-concordant automated telephone queries to assess medication adherence in a diverse population: a cross-sectional analysis of convergent validity with pharmacy claims.
BMC Health Serv Res 2018 Apr 6;18(1):254. doi: 10.1186/s12913-018-3071-4.
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Keywords: Health Information Technology (HIT), Medication, Patient Adherence/Compliance, Racial and Ethnic Minorities, Urban Health
Karter AJ, Parker MM, Solomon MD
Effect of out-of-pocket cost on medication initiation, adherence, and persistence among patients with type 2 diabetes: the Diabetes Study of Northern California (DISTANCE).
This study estimated the effect of out-of-pocket (OOP) cost on nonadherence to classes of cardiometabolic medications among patients with diabetes. Primary nonadherence (never dispensed) increased monotonically with OOP cost after adjusting for demographics, neighborhood socioeconomic status, Medicare, medical financial assistance, OOP maximum, deductibles, mail order pharmacy incentive and use, drug type, generic or brand, day's supply, and comorbidity index.
AHRQ-funded; HS022408.
Citation: Karter AJ, Parker MM, Solomon MD .
Effect of out-of-pocket cost on medication initiation, adherence, and persistence among patients with type 2 diabetes: the Diabetes Study of Northern California (DISTANCE).
Health Serv Res 2018 Apr;53(2):1227-47. doi: 10.1111/1475-6773.12700.
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Keywords: Diabetes, Healthcare Costs, Health Insurance, Medication, Patient Adherence/Compliance
Nguyen OK, Higashi RT, Makam AN
The influence of financial strain on health decision-making.
This study sought to explore which unmet social needs are most influential and how these needs affect individuals’ decisions regarding medical treatment and self-management of health needs among community-dwelling low-income adults. It found that financial strain, rather than any single social need, was the most important factor in health decisionmaking among the underserved adults we studied, and may result in non-adherence to medical recommendations.
AHRQ-funded; HS022418.
Citation: Nguyen OK, Higashi RT, Makam AN .
The influence of financial strain on health decision-making.
J Gen Intern Med 2018 Apr;33(4):406-08. doi: 10.1007/s11606-017-4296-3.
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Keywords: Decision Making, Healthcare Costs, Patient Adherence/Compliance, Patient-Centered Healthcare, Vulnerable Populations
Aysola J, Tahirovic E, Troxel AB
A randomized controlled trial of opt-in versus opt-out enrollment into a diabetes behavioral intervention.
This study compared an opt-out default recruitment strategy with a conventional opt-in strategy for enrollment in behavioral intervention for poorly controlled diabetic patients. The patients were put in a randomized controlled trial at the University of Pennsylvania-associated primary care practices. Enrollment rates were improved for the opt-out default patients.
AHRQ-funded; HS021706.
Citation: Aysola J, Tahirovic E, Troxel AB .
A randomized controlled trial of opt-in versus opt-out enrollment into a diabetes behavioral intervention.
Am J Health Promot 2018 Mar;32(3):745-52. doi: 10.1177/0890117116671673..
Keywords: Behavioral Health, Diabetes, Lifestyle Changes, Patient Adherence/Compliance
Hansen RA, Hohmann N, Maciejewski ML
Continuity of medication management among adults with schizophrenia and comorbid cardiometabolic conditions.
This study examined whether medication adherence, inpatient admissions, and emergency department (ED) visits vary by the number and types of prescribers seen by adults with schizophrenia and cardiometabolic conditions. Greater antipsychotic adherence for adults receiving prescriptions from multiple psychiatric specialists was counteracted by lower statin adherence and greater risk of ED and inpatient utilization.
AHRQ-funded; HS023099.
Citation: Hansen RA, Hohmann N, Maciejewski ML .
Continuity of medication management among adults with schizophrenia and comorbid cardiometabolic conditions.
J Pharm Health Serv Res 2018 Mar;9(1):13-20. doi: 10.1111/jphs.12201.
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Keywords: Chronic Conditions, Medication, Behavioral Health, Patient Adherence/Compliance, Patient-Centered Healthcare
Rasmussen E, Fosnacht Morgan AM, Munson R
Use of an electronic medical record to track adherence to the mediterranean diet in a US neurology clinical practice.
The authors of this paper describe their experience with routinely capturing and analyzing Mediterranean diet data via structured clinical documentation support tools built into the electronic medical record and describe adherence to the Mediterranean diet in patients at risk for either stroke or dementia in a US neurology clinical practice.
AHRQ-funded; HS024057.
Citation: Rasmussen E, Fosnacht Morgan AM, Munson R .
Use of an electronic medical record to track adherence to the mediterranean diet in a US neurology clinical practice.
Mayo Clin Proc Innov Qual Outcomes 2018 Mar;2(1):49-59. doi: 10.1016/j.mayocpiqo.2017.12.003..
Keywords: Electronic Health Records (EHRs), Nutrition, Patient Adherence/Compliance
Maciejewski ML, Hammill BG, Voils CI
Prescriber continuity and medication availability in older adults with cardiometabolic conditions.
Researchers examined whether the number of prescribers of essential medications was associated with the availability of medications, a surrogate for adherence, to manage diabetes, hypertension or dyslipidemia. They found that the number of prescribers was not significantly associated with availability of oral diabetes agents but having more prescribers is associated with increased medication availability in older Medicare beneficiaries with dyslipidemia or hypertension.
AHRQ-funded; HS023085.
Citation: Maciejewski ML, Hammill BG, Voils CI .
Prescriber continuity and medication availability in older adults with cardiometabolic conditions.
SAGE Open Med 2018 Feb 6;6:2050312118757388. doi: 10.1177/2050312118757388.
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Keywords: Chronic Conditions, Elderly, Medicare, Medication, Patient Adherence/Compliance
Wei YJ, Simoni-Wastila L, Albrecht JS
The association of antidepressant treatment with COPD maintenance medication use and adherence in a comorbid Medicare population: a longitudinal cohort study.
Researchers examined the association between antidepressant treatment and use of and adherence to chronic obstructive pulmonary disease (COPD) maintenance medications among patients with new-onset COPD and comorbid depression. They concluded that regularly treated depression may increase use of and adherence to necessary maintenance medications for COPD.
AHRQ-funded; HS024560.
Citation: Wei YJ, Simoni-Wastila L, Albrecht JS .
The association of antidepressant treatment with COPD maintenance medication use and adherence in a comorbid Medicare population: a longitudinal cohort study.
Int J Geriatr Psychiatry 2018 Feb;33(2):e212-e20. doi: 10.1002/gps.4772.
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Keywords: Medication, Respiratory Conditions, Elderly, Patient Adherence/Compliance
Shen C, Zhao B, Liu L
Adherence to tyrosine kinase inhibitors among Medicare Part D beneficiaries with chronic myeloid leukemia.
The authors of this study identified 836 patients with chronic myeloid leukemia (CML) with Medicare Part D insurance coverage who were new tyrosine kinase inhibitors (TKI) users and examined treatment nonadherence. They indicted that the current population-based study found a significantly higher rate of nonadherence among heavily subsidized patients with substantially lower out-of-pocket costs, which suggested that future research is needed to help lower the nonadherence rate among these individuals.
AHRQ-funded; HS020263.
Citation: Shen C, Zhao B, Liu L .
Adherence to tyrosine kinase inhibitors among Medicare Part D beneficiaries with chronic myeloid leukemia.
Cancer 2018 Jan 15;124(2):364-73. doi: 10.1002/cncr.31050.
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Keywords: Chronic Conditions, Medication, Medicare, Patient Adherence/Compliance
Lau BD, Streiff MB, Kraus PS
Missed doses of venous thromboembolism (VTE) prophylaxis at community hospitals: cause for alarm.
This study examined the rate of missed doses of venous thromboembolism (VTE) prophylaxis at community hospitals in the Washington, DC and greater Baltimore metropolitan areas. This retrospective study included four hospitals within the Johns Hopkins Health System. Non-administration of VTE prophylaxis was found 10.9% to 15.0% of the time among the three community hospitals. About 43.6% of patients missed at least one dose in all four hospitals. The investigators weren’t able to categorize patients by specialty, however it has been reported that more doses are missed with medically ill patients than other hospitalized patients.
AHRQ-funded; HS024547.
Citation: Lau BD, Streiff MB, Kraus PS .
Missed doses of venous thromboembolism (VTE) prophylaxis at community hospitals: cause for alarm.
J Gen Intern Med 2018 Jan;33(1):19-20. doi: 10.1007/s11606-017-4203-y..
Keywords: Blood Clots, Prevention, Blood Thinners, Patient Adherence/Compliance, Medication, Hospitals
Belenky N, Pence BW, Cole SR
Associations between Medicare Part D and out-of-pocket spending, HIV viral load, adherence, and ADAP use in dual eligibles with HIV.
This study estimated the effect of Medicare part D on self-reported out-of-pocket prescription drug spending, AIDS Drug Assistance Program (ADAP) use, antiretroviral adherence, and HIV viral load (VL) suppression among dual eligibles with HIV. It concluded that part D was associated with increased out-of-pocket spending, although the increased spending did not seem to compromise antiretroviral therapy adherence or HIV VL suppression.
AHRQ-funded; HS024858; HS000032.
Citation: Belenky N, Pence BW, Cole SR .
Associations between Medicare Part D and out-of-pocket spending, HIV viral load, adherence, and ADAP use in dual eligibles with HIV.
Med Care 2018 Jan;56(1):47-53. doi: 10.1097/mlr.0000000000000843.
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Keywords: Healthcare Costs, Human Immunodeficiency Virus (HIV), Medication, Patient Adherence/Compliance