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Dive into the research topics where Megan Dwight-Johnson is active.

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Featured researches published by Megan Dwight-Johnson.


Journal of General Internal Medicine | 2000

Treatment Preferences Among Depressed Primary Care Patients

Megan Dwight-Johnson; Cathy D. Sherbourne; Diana Liao; Kenneth B. Wells

AbstractOBJECTIVE: To understand patient factors that may affect the probability of receiving appropriate depression treatment, we examined treatment preferences and their predictors among depressed primary care patients. DESIGN: Patient questionnaires and interviews. SETTING: Forty-six primary care clinics in 7 geographic regions of the United States. PARTICIPANTS: One thousand one hundred eighty-seven English-and Spanish-speaking primary care patients with current depressive symptoms. MEASUREMENTS AND MAIN RESULTS: Depressive symptoms and diagnoses were determined by the Composite International Diagnostic Interview (CIDI) and the Center for Epidemiological Studies Depression Scale (CES-D). Treatment preferences and characteristics were assessed using a self-administered questionnaire and a telephone interview. Nine hundred eight-one (83%) patients desired treatment for depression. Those who preferred treatment were wealthier (odds ratio [OR], 3.7; 95% confidence interval [95% CI], 1.8 to 7.9; P=.001) and had greater knowledge about antidepressant medication (OR, 2.6; 95% CI, 1.6 to 4.4; P≤.001) than those who did not want treatment. A majority (67%, n=660) of those preferring treatment preferred counseling, with African Americans (OR, 2.2; 95% CI, 1.0 to 4.8, P=.04 compared to whites) and those with greater knowledge about counseling (OR, 2.1; 95% CI, 1.6 to 2.7, P≤.001) more likely to choose counseling. Three hundred twelve (47%) of the 660 desiring counseling preferred group over individual counseling. Depression severity was only a predictor of preference among those already in treatment. CONCLUSIONS: Despite low rates of treatment for depression, most depressed primary care patients desire treatment, especially counseling. Preferences for depression treatment vary by ethnicity, gender, income, and knowledge about treatments.


Journal of Clinical Oncology | 2005

Depression, Correlates of Depression, and Receipt of Depression Care Among Low-Income Women With Breast or Gynecologic Cancer

Kathleen Ell; Kathleen Sanchez; Betsy Vourlekis; Pey Jiuan Lee; Megan Dwight-Johnson; Isabel T. Lagomasino; Laila I. Muderspach; Christy A. Russell

PURPOSE To assess the prevalence of depression among low-income, ethnic minority women with breast or gynecologic cancer, receipt of antidepressant medications or counseling services, and correlates of depression. PATIENTS AND METHODS Study patients were 472 women receiving cancer care in an urban public medical center. Women had a primary diagnosis of breast (stage 0 to III) or gynecologic cancer (International Federation of Gynecology and Obstetrics stage 0 to IIIB). A diagnostic depression screen and baseline questionnaire were administered before or during active treatment or during active follow-up. Self-report data were collected on receipt of depression treatment, use of supportive counseling, pain and receipt of pain medication, functional status and well-being, and perceived barriers to cancer care. RESULTS Twenty-four percent of women reported moderate to severe levels of depressive disorder (30% of breast cancer patients and 17% of gynecologic cancer patients). Only 12% of women meeting criteria for major depression reported currently receiving medications for depression, and only 5% of women reported seeing a counselor or participating in a cancer support group. Neither cancer stage nor treatment status was correlated with depression. Primary diagnosis of breast cancer, younger age, greater functional impairment, poorer social and family well-being, anxiety, comorbid arthritis, and fears about treatment side effects were correlated with depression. CONCLUSION Findings indicate that depressive disorder among ethnic minority, low-income women with breast or gynecologic cancer is prevalent and is correlated with pain, anxiety, and health-related quality of life. Because these women are unlikely to receive depression treatment or supportive counseling, there is a need for routine screening, evaluation, and treatment in this population.


Journal of Clinical Oncology | 2008

Randomized Controlled Trial of Collaborative Care Management of Depression Among Low-Income Patients With Cancer

Kathleen Ell; Bin Xie; Brenda Quon; David I. Quinn; Megan Dwight-Johnson; Pey Jiuan Lee

PURPOSE To determine the effectiveness of the Alleviating Depression Among Patients With Cancer (ADAPt-C) collaborative care management for major depression or dysthymia. PATIENTS AND METHODS Study patients included 472 low-income, predominantly female Hispanic patients with cancer age >or= 18 years with major depression (49%), dysthymia (5%), or both (46%). Patients were randomly assigned to intervention (n = 242) or enhanced usual care (EUC; n = 230). Intervention patients had access for up to 12 months to a depression clinical specialist (supervised by a psychiatrist) who offered education, structured psychotherapy, and maintenance/relapse prevention support. The psychiatrist prescribed antidepressant medications for patients preferring or assessed to require medication. RESULTS At 12 months, 63% of intervention patients had a 50% or greater reduction in depressive symptoms from baseline as assessed by the Patient Health Questionnaire-9 (PHQ-9) depression scale compared with 50% of EUC patients (odds ratio [OR] = 1.98; 95% CI, 1.16 to 3.38; P = .01). Improvement was also found for 5-point decrease in PHQ-9 score among 72.2% of intervention patients compared with 59.7% of EUC patients (OR = 1.99; 95% CI, 1.14 to 3.50; P = .02). Intervention patients also experienced greater rates of depression treatment (72.3% v 10.4% of EUC patients; P < .0001) and significantly better quality-of-life outcomes, including social/family (adjusted mean difference between groups, 2.7; 95% CI, 1.22 to 4.17; P < .001), emotional (adjusted mean difference, 1.29; 95% CI, 0.26 to 2.22; P = .01), functional (adjusted mean difference, 1.34; 95% CI, 0.08 to 2.59; P = .04), and physical well-being (adjusted mean difference, 2.79; 95% CI, 0.49 to 5.1; P = .02). CONCLUSION ADAPt-C collaborative care is feasible and results in significant reduction in depressive symptoms, improvement in quality of life, and lower pain levels compared with EUC for patients with depressive disorders in a low-income, predominantly Hispanic population in public sector oncology clinics.


Womens Health Issues | 2001

Psychological distress, unmet need, and barriers to mental health care for women

Cathy D. Sherbourne; Megan Dwight-Johnson; Ruth Klap

Using data from the Commonwealth Fund 1998 Survey of Womens Health, this article describes the characteristics of women in need of mental health services for depression or anxiety, and identifies factors related to why women do not get needed care. Depressive/anxiety symptoms are common and access to care for psychological distress remains a problem for many women, especially for minorities, those with less education, and those without a usual source of health care. Sources of unmet need include patient factors, clinician factors, and characteristics of the health system, such as costs of mental health care.


Cultural Diversity & Ethnic Minority Psychology | 2008

Measuring Latinos’ Perceptions of Depression: A Confirmatory Factor Analysis of the Illness Perception Questionnaire

Leopoldo J. Cabassa; Isabel T. Lagomasino; Megan Dwight-Johnson; Marissa C. Hansen; Bin Xie

This study examined the psychometric properties of the Revised Illness Perception Questionnaire adapted for a clinical sample of low-income Latinos suffering from depression. Participants (N = 339) were recruited from public primary care centers. Their average age was 49.73 years and the majority was foreign born females of either Mexican or Central American descent. Confirmatory factor analysis was used to test the factor structure of this measure. Construct and discriminant validity and internal consistency were evaluated. After the elimination of three items because of low factor loadings (< .40) and the specification of seven error covariances, a revised model composed of 24 items had adequate goodness-of-fit indices and factor loadings, supporting construct validity. Each of the subscales reported satisfactory internal consistency. Intercorrelations between the 5 illness perception factors provided initial support for the discriminant validity of these factors in the context of depression. The establishment of the psychometric properties of this adapted measure will pave the way for future studies examining the role illness perceptions play in the help seeking and management of depression among Latinos.


General Hospital Psychiatry | 2010

Mothball induced encephalopathy presenting as depression: it’s all in the history

Suzanne B. Murray; Megan Dwight-Johnson; Mitchell R. Levy

Case reports of mothball ingestion have shown that paradichlorobenzene, the organic compound found in mothballs, can induce multiple organ effects, including encephalopathy. Psychiatrists are often involved in these cases due to presumed depression. Diagnosis is frequently delayed and/or inaccurate due to the inability to obtain a full history. A delay in diagnosis may result in an inappropriate treatment plan. We present a case involving a woman who ingested mothballs due to Pica emphasizing the importance and challenges of getting a thorough history. Barriers include cultural differences, shame and obtaining collateral information.


Psychiatric Services | 2017

Effectiveness of Collaborative Care for Depression in Public-Sector Primary Care Clinics Serving Latinos

Isabel T. Lagomasino; Megan Dwight-Johnson; Jennifer M. Green; Lingqi Tang; Lily Zhang; Naihua Duan; Jeanne Miranda

OBJECTIVE Quality improvement interventions for depression care have been shown to be effective for improving quality of care and depression outcomes in settings with primarily insured patients. The aim of this study was to determine the impact of a collaborative care intervention for depression that was tailored for low-income Latino patients seen in public-sector clinics. METHODS A total of 400 depressed patients from three public-sector primary care clinics were enrolled in a randomized controlled trial of a tailored collaborative care intervention versus enhanced usual care. Social workers without previous mental health experience served as depression care specialists for the intervention patients (N=196). Depending on patient preference, they delivered a cognitive-behavioral therapy (CBT) intervention or facilitated antidepressant medication given by primary care providers or both. In enhanced usual care, patients (N=204) received a pamphlet about depression, a letter for their primary care provider stating that they had a positive depression screen, and a list of local mental health resources. Intent-to-treat analyses examined clinical and process-of-care outcomes at 16 weeks. RESULTS Compared with patients in the enhanced usual care group, patients in the intervention group had significantly improved depression, quality of life, and satisfaction outcomes (p<.001 for all). Intervention patients also had significantly improved quality-of-care indicators, including the proportion of patients receiving either psychotherapy or antidepressant medication (77% versus 21%, p<.001). CONCLUSIONS Collaborative care for depression can greatly improve care and outcomes in public-sector clinics. Social workers without prior mental health experience can effectively provide CBT and manage depression care.


Psychiatric Services | 2005

Disparities in depression treatment for Latinos and site of care.

Isabel T. Lagomasino; Megan Dwight-Johnson; Jeanne Miranda; Lily Zhang; Diana Liao; Naihua Duan; Kenneth B. Wells


Psychosomatics | 2005

Can Collaborative Care Address the Needs of Low-Income Latinas With Comorbid Depression and Cancer? Results From a Randomized Pilot Study

Megan Dwight-Johnson; Kathleen Ell; Pey Jiuan Lee


Psychiatric Services | 2004

Using Conjoint Analysis to Assess Depression Treatment Preferences Among Low-Income Latinos

Megan Dwight-Johnson; Isabel T. Lagomasino; Eugene Aisenberg; Joel Hay

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Isabel T. Lagomasino

University of Southern California

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Kathleen Ell

University of Southern California

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Pey Jiuan Lee

University of Southern California

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Bin Xie

Claremont Graduate University

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Brenda Quon

University of Southern California

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David I. Quinn

University of Southern California

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Diana Liao

University of California

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George M. Simpson

University of Southern California

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Jeanne Miranda

University of California

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