Paula Wagener

Cognitive Behavior Therapy for Generalized Anxiety Disorder Among Older Adults in Primary Care: A Randomized Clinical Trial

CONTEXT Cognitive behavior therapy (CBT) can be effective for late-life generalized anxiety disorder (GAD), but only pilot studies have been conducted in primary care, where older adults most often seek treatment. OBJECTIVE To examine effects of CBT relative to enhanced usual care (EUC) in older adults with GAD in primary care. DESIGN, SETTING, AND PARTICIPANTS Randomized clinical trial recruiting 134 older adults (mean age, 66.9 years) from March 2004 to August 2006 in 2 primary care settings. Treatment was provided for 3 months; assessments were conducted at baseline, posttreatment (3 months), and over 12 months of follow-up, with assessments at 6, 9, 12, and 15 months. INTERVENTION Cognitive behavior therapy (n = 70) conducted in the primary care clinics. Treatment included education and awareness, motivational interviewing, relaxation training, cognitive therapy, exposure, problem-solving skills training, and behavioral sleep management. Patients assigned to receive EUC (n = 64) received biweekly telephone calls to ensure patient safety and provide minimal support. MAIN OUTCOME MEASURES Primary outcomes included worry severity (Penn State Worry Questionnaire) and GAD severity (GAD Severity Scale). Secondary outcomes included anxiety ratings (Hamilton Anxiety Rating Scale, Beck Anxiety Inventory), coexistent depressive symptoms (Beck Depression Inventory II), and physical/mental health quality of life (12-Item Short Form Health Survey). RESULTS Cognitive behavior therapy compared with EUC significantly improved worry severity (45.6 [95% confidence interval {CI}, 43.4-47.8] vs 54.4 [95% CI, 51.4-57.3], respectively; P < .001), depressive symptoms (10.2 [95% CI, 8.5-11.9] vs 12.8 [95% CI, 10.5-15.1], P = .02), and general mental health (49.6 [95% CI, 47.4-51.8] vs 45.3 [95% CI, 42.6-47.9], P = .008). There was no difference in GAD severity in patients receiving CBT vs those receiving EUC (8.6 [95% CI, 7.7-9.5] vs 9.9 [95% CI, 8.7-11.1], P = .19). In intention-to-treat analyses, response rates defined according to worry severity were higher following CBT compared with EUC at 3 months (40.0% [28/70] vs 21.9% [14/64], P = .02). CONCLUSIONS Compared with EUC, CBT resulted in greater improvement in worry severity, depressive symptoms, and general mental health for older patients with GAD in primary care. However, a measure of GAD severity did not indicate greater improvement with CBT. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT00308724.

LAY PROVIDERS CAN DELIVER EFFECTIVE COGNITIVE BEHAVIOR THERAPY FOR OLDER ADULTS WITH GENERALIZED ANXIETY DISORDER: A RANDOMIZED TRIAL

The Institute of Medicine recommends developing a broader workforce of mental health providers, including nontraditional providers, to expand services for older adults. Cognitive behavior therapy (CBT) is effective for late‐life generalized anxiety disorder (GAD), but no study has examined outcomes with delivery by lay providers working under the supervision of licensed providers. The current study examined the effects of CBT delivered by lay, bachelor‐level providers (BLP) relative to Ph.D.‐level expert providers (PLP), and usual care (UC) in older adults with GAD.

Comparison of Self-report Measures for Identifying Late-life Generalized Anxiety in Primary Care

This study evaluated the Penn State Worry Questionnaire, Penn State Worry Questionnaire—Abbreviated, and the Generalized Anxiety Disorder Questionnaire-IV for identifying generalized anxiety disorder in older medical patients. Participants were 191 of 281 patients screened for a clinical trial evaluating cognitive-behavior treatment, n = 110 with generalized anxiety disorder, 81 without. Participants completed the Penn State Worry Questionnaire and Generalized Anxiety Disorder Questionnaire-IV at pretreatment. Kappa coefficients estimated agreement with the Structured Clinical Interview for Diagnosis. Receiver operating characteristic curves compared sensitivity and specificity of self-report measures. The Penn State Worry Questionnaire (cutoff = 50) provided the strongest prediction of generalized anxiety disorder (sensitivity, 76%; specificity, 73%; 75% correctly classified; kappa = .49. Item 2 of the Generalized Anxiety Disorder Questionnaire-IV demonstrated comparable accuracy. The Penn State Worry Questionnaire, Generalized Anxiety Disorder Questionnaire-IV, and briefer versions of these measures may be useful in identifying late-life generalized anxiety disorder in medical settings.

Cognitive-behavioral therapy for late-life anxiety: Similarities and differences between Veteran and community participants.

Cognitive-behavioral therapy (CBT) is an evidence-based treatment for anxiety; however, a growing body of research suggests that CBT effect sizes are smaller in Veteran samples. The aim of this study was to perform secondary data analyses of a randomized controlled trial of CBT for late-life generalized anxiety disorder compared with treatment as usual (TAU) in a Veteran (n = 101) and community-based (n = 122) sample. Veterans had lower income and less education than community participants, greater severity on baseline measures of anxiety and depression, poorer physical health, and higher rates of psychiatric comorbidity. Treatment effects were statistically significant in the community sample (all ps < 0.01), but not in Veterans (all ps > 0.05). Further analyses in Veterans revealed that poorer perceived social support significantly predicted poorer outcomes (all ps < 0.05). Our results underscore the complexity of treating Veterans with anxiety, and suggest that additional work is needed to improve the efficacy of CBT for Veterans, with particular attention to social support.

Enabling lay providers to conduct CBT for older adults: key steps for expanding treatment capacity

The Institute of Medicine advocates the examination of innovative models of care to expand mental health services available for older adults. This article describes training and supervision procedures in a recent clinical trial of cognitive behavioral therapy (CBT) for older adults with generalized anxiety disorder (GAD) delivered by bachelor-level lay providers (BLPs) and to Ph.D.-level expert providers (PLPs). Supervision and training differences, ratings by treatment integrity raters (TIRs), treatment characteristics, and patient perceptions between BLPs and PLPs are examined. The training and supervision procedures for BLPs led to comparable integrity ratings, patient perceptions, and treatment characteristics compared with PLPs. These results support this training protocol as a model for future implementation and effectiveness trials of CBT for late-life GAD, with treatment delivered by lay providers supervised by a licensed provider in other practice settings.

Calmer Life: A Culturally Tailored Intervention for Anxiety in Underserved Older Adults

OBJECTIVES To evaluate the feasibility of the Calmer Life and Enhanced Community Care interventions delivered by community and expert providers and test their preliminary effectiveness on worry, generalized anxiety disorder (GAD) severity, anxiety, depression, sleep, health-related quality of life, and satisfaction. DESIGN Small randomized trial, with measurements at baseline and 3 months. SETTING Underserved, low-income, mostly minority communities in Houston, TX. PARTICIPANTS Forty underserved adults 50 years and older, with significant worry and principal or coprincipal GAD or anxiety disorder not otherwise specified. INTERVENTION Combination of person-centered, flexible skills training to reduce worry; resource counseling to target unmet basic needs; and facilitation of communication with primary care providers developed through a community-academic partnership with social service and faith-based organizations. Religion/spirituality may be incorporated. MEASUREMENTS PRIMARY OUTCOMES worry (Penn State Worry Questionnaire-Abbreviated), GAD severity (GAD-7), anxiety (Geriatric Anxiety Inventory-Short Form). SECONDARY OUTCOMES depression (Patient Health Questionnaire-8 and Geriatric Depression Scale-Short Form), sleep (Insomnia Severity Index), health-related quality of life (12-item Medical Outcomes Study Short Form), satisfaction (Client Satisfaction Questionnaire and exit interviews). RESULTS Provider training was valid; mean ratings for community providers were well above average, with none less than adequate. Reach was excellent. Participants receiving the Calmer Life intervention had greater improvement in GAD severity and depression than those receiving Enhanced Community Care. Satisfaction with both treatments was equivalent. CONCLUSIONS A larger comparative-effectiveness trial needs to examine outcomes following the Calmer Life intervention relative to standard community-based care and to evaluate more fully issues of implementation potential.

Calmer Life: A Hybrid Effectiveness-implementation Trial for Late-life Anxiety Conducted in Low-income, Mental Health-underserved Communities

Objective: Anxiety is common among older adults and is associated with multiple negative outcomes. Late-life anxiety is usually unrecognized by providers and undertreated, although evidence supports the effectiveness of psychosocial treatment. Access to mental health care is especially poor among African American seniors. New treatment models are needed to expand the reach of mental health care to minority elders. Methods: Our article outlines a study designed to test the effectiveness and implementation potential of Calmer Life (CL), a community-based, person-centered, flexible and culturally tailored intervention for late-life anxiety and worry, offered in low-income, mental health-underserved and predominantly African American communities. CL is skills-based, but also includes resource counseling and an option to integrate religion/spirituality. The study population includes individuals 50 years of age and older who are experiencing high levels of worry. The program was developed in the context of a community-academic partnership with organizations that provide services for seniors in underserved communities, and it trains nontraditional community providers to deliver the intervention. Results: Study progress to date, challenges, and lessons learned are discussed. Data collection is ongoing, and study findings will be available in late 2017. Conclusions: CL will offer valuable information to help expand the reach of anxiety treatment among minority seniors living in underserved neighborhoods.

Community-Based Outreach and Treatment for Underserved Older Adults With Clinically Significant Worry: A Randomized Controlled Trial

OBJECTIVE To determine whether Calmer Life (CL) improved worry, generalized anxiety disorder-related (GAD-related) symptoms, anxiety, depression, sleep, trauma-related symptoms, functional status, and quality of life better than Enhanced Community Care with Resource Counseling (ECC-RC) at 6 months and 9 months. METHODS A randomized, controlled, comparative-effectiveness study involving underserved, low-income, mostly minority neighborhoods in Houston, Texas, looked at individuals ≥50 with significant worry and interest in psychosocial treatment. Interventions were CL, cognitive behavioral therapy with resource counseling, facilitation of communication with primary care providers about worry/anxiety, integration of religion/spirituality, person-centered skill content and delivery and nontraditional community providers, ECC-RC, and enhanced standard community-based information/ resource counseling addressing basic unmet and mental health needs. Primary outcomes were worry and GAD-related symptom severity. Secondary outcomes were anxiety, depression, sleep difficulties, trauma-related symptoms, functional status, quality of life, service use and satisfaction. RESULTS Similar, moderate improvements followed CL and ECC-RC on worry, GAD-related symptoms, anxiety, depression, sleep, trauma-related symptoms, and mental health quality of life at 6 and 9 months, but with symptoms at both times and higher satisfaction with CL at both. Fewer ECC-RC participants reported a hospital admission in the prior 3 months than those in CL at 6 and 9 months; at 9 months, fewer reported a visit with a provider in the previous 3 months. CONCLUSION Both interventions showed similar improvements at 6 and 9 months, but symptoms remained that might require care. Either intervention or a combination may be useful for low-income older adults with identified worry/anxiety.