Wisconsin Quality of Life Caregiver Questionnaire

1. Abstract

The Wisconsin Quality of Life Caregiver Questionnaire (WQL-CQ), developed by Marion A. Becker, Bret R. Shaw, and Lisa M. Reib in 1996, represents a central collateral component of the comprehensive Wisconsin Quality of Life Index (WQLI) assessment system. Designed specifically for family members, partners, and informal caregivers of individuals living with severe and persistent mental illnesses (SPMI)—such as schizophrenia, schizoaffective disorder, and treatment-refractory bipolar disorder—the WQL-CQ captures both the proxy assessment of the consumer’s multi-domain functional wellbeing and the personal impact, burden, and caregiving experiences of the collateral informant. The instrument comprises 27 primary numbered inquiry units (spanning background context, professional service interactions, daily living assistance, challenging behavioral supervision, client functional status, collaborative treatment goals, and global quality-of-life ratings). It utilizes a heterogeneous, clinically sensitive response format consisting of categorical checklists, 5-point Likert agreement options, frequency tallies, emotional appraisals (e.g., satisfied, accepted, dissatisfied), and 10-point visual analog/numerical continuum scales. Psychometric evaluations across clinical community mental health program evaluations demonstrate strong internal consistency across core sub-dimensions (Cronbach’s α ranging from .78 to .89 for the Caregiver Support and Assistance dimensions), robust inter-rater and test-retest reliability ($r = .74$ to $.86$), and solid convergent validity with standardized caregiver strain and functional disability measures. By reconciling objective caregiver assistance demands with subjective emotional appraisals and proxy clinical ratings, the WQL-CQ serves as an indispensable tool in psychiatric rehabilitation, community support program (CSP) evaluation, and multi-perspective health services research.

2. Keywords

Wisconsin Quality of Life Caregiver Questionnaire, WQL-CQ, Wisconsin Quality of Life Index, Caregiver Burden, Severe Mental Illness, Proxy Quality of Life, Informal Caregiving, Family Support, Psychiatric Rehabilitation, Mental Health Services Research, Multi-Informant Assessment, Psychometrics

3. Authors

The Wisconsin Quality of Life Caregiver Questionnaire was authored by:

• Marion A. Becker, Ph.D., R.N., FAAN: Professor Emeritus at the School of Social Work and Department of Community Mental Health at the Louis de la Parte Florida Mental Health Institute (FMHI), University of South Florida (USF), Tampa, Florida; formerly affiliated with the Department of Psychiatry and School of Nursing, University of Wisconsin–Madison. Dr. Becker is an internationally recognized psychiatric nurse researcher specializing in health-related quality of life, severe mental illness, service outcomes, and dual diagnosis. Contact: [email protected].
• Bret R. Shaw, Ph.D.: Associate Professor in the Department of Life Sciences Communication, University of Wisconsin–Madison. His expertise spans health communication, social marketing, and psychological instrument design in behavioral healthcare.
• Lisa M. Reib, M.S.: Research Associate and statistician associated with the WQLI instrument validation projects at the University of Wisconsin–Madison Mental Health Center and Department of Psychiatry.

4. Purpose

The primary purpose of the Wisconsin Quality of Life Caregiver Questionnaire (WQL-CQ) is to systematically quantify, contextualize, and evaluate the multifaceted experiences of informal caregivers supporting adults with serious mental disorders, while concurrently obtaining an informed proxy evaluation of the consumer’s life functioning. Historically, clinical outcome evaluations in community mental health services relied almost exclusively either on primary consumer self-reports—which may be complicated during acute psychotic exacerbations, cognitive blunting, or severe anosognosia—or on detached administrative indicators such as psychiatric re-hospitalization rates and medication adherence logs. The WQL-CQ was engineered under the philosophical conviction that informal caregivers possess deep, longitudinal, and ecologically valid insights into the real-world daily functioning, deficits, and emotional status of patients.

From a clinical perspective, the instrument serves several pivotal functions:

• Assessment of Objective Caregiver Burden: The tool details the precise frequency and intensity of supervisory, instrumental, and emotional support required by the client across basic activities of daily living (ADLs), instrumental tasks (e.g., money management, meal preparation, medication compliance), and high-stress psychiatric behavioral disturbances (e.g., suicidal gestures, socially embarrassing actions, nocturnal disruptions, aggressive threats).
• Measurement of Subjective Burden and Affective Appraisal: Unlike unidimensional scales that simply tabulate hours of caregiving, the WQL-CQ assesses the caregiver’s personal affective reaction to each specific caregiving demand, recording whether the provider feels “Satisfied,” “Accepted,” or “Dissatisfied.”
• Evaluation of Mental Health System Alliances: A prominent purpose of the WQL-CQ is measuring the interface between the family unit and professional psychiatric care teams. It evaluates whether family members feel treated as respected therapeutic partners, whether they obtain necessary clinical information, and whether they experience distress due to unaddressed educational or consultative needs.
• Multi-Informant Triangulation: When paired with the parallel Client (WQL-S) and Clinician/Provider (WQL-P) instruments of the broader Wisconsin Quality of Life Index, the WQL-CQ enables clinicians and health services researchers to construct a 360-degree triangulation matrix. Discrepancies between consumer aspirations, caregiver strain, and professional clinical ratings uncover hidden treatment bottlenecks, safety risks, and caregiver burnout trajectories.

5. Psychological Construct

The psychological construct underlying the WQL-CQ is multifaceted, integrating proxy health-related quality of life (HRQoL), multidimensional caregiver burden, and health services collaboration. The construct operates on the premise that caregiver burden is not a monolithic operational state, but rather a dynamic transactional ecology involving objective task demands, subjective emotional appraisal, interpersonal behavioral stress, and institutional support.

1. Objective Caregiver Support and Assistance

This domain captures the physical and operational workload absorbed by informal caregivers. It is bifurcated into two primary functional sub-dimensions:

• Instrumental and Daily Living Assistance (Items 14a–14h): This dimension measures the explicit support delivered over the past four weeks to sustain personal hygiene, meal preparation, waking, dressing, housekeeping, financial budgeting, community transportation/shopping, and constructive leisure involvement.
• Behavioral Management and De-escalation (Items 15a–15f): This dimension captures supervision focused on controlling or overcoming high-friction psychiatric symptoms, including socially embarrassing conduct, intrusive attention-seeking, inappropriate sexual behavior, threatening or violent outbursts, nocturnal restlessness, and suicidal ideation or gestures.

2. Subjective Affective Appraisal (Caregiver Satisfaction vs. Strain)

Embedded directly alongside each task demand is an evaluation of subjective appraisal. Grounded in Lazarus and Folkman’s cognitive appraisal paradigm, this construct reflects the extent to which the caregiver internalizes caregiving tasks with equanimity (“Accepted”), pride and meaning (“Satisfied”), or emotional depletion and resentment (“Dissatisfied”). This prevents clinical mischaracterization, recognizing that heavy instrumental assistance in a cooperative dyad may yield lower psychological distress than minimal assistance delivered in a context of volatile conflict.

3. Professional Engagement and System Collaboration

Operationalized across Items 11a through 11g, this construct evaluates the collateral informant’s therapeutic alliance with mental health professionals. It gauges caregiver empowerment, clinical information adequacy, comfort in questioning professional authority or requesting second opinions, perceived systemic empathy toward family suffering, and the caregiver’s perceived voice in pharmacological and psychosocial treatment decisions.

4. Proxy Life Activities, Functional Outlook, and Goal Congruence

The WQL-CQ conceptualizes consumer quality of life as perceived by their primary collateral. It assesses five global functional trajectories—Activity, Daily Living, Health, Support, and Outlook—while capturing client-centered goal priorities. By evaluating the importance and perceived attainment of individual treatment targets, the instrument operationalizes recovery as an idiographic, value-driven process rather than mere symptom mitigation.

6. Theoretical Framework

The development and structural organization of the Wisconsin Quality of Life Caregiver Questionnaire are underpinned by three intersecting psychological and sociological theories:

1. The Stress Process Model of Caregiving (Pearlin et al.)

The core conceptual framework reflects the Stress Process Model formulated by Leonard Pearlin and colleagues (1990). Within this framework, caregiving is conceptualized as an evolving process comprising background contextual stressors, primary stressors, secondary role strains, and psychological outcomes:

• Contextual Factors: Reflected in the background variables of the WQL-CQ (household roster, caregiver employment status, historical onset of psychiatric illness, total lifetime hospitalizations, and frequency of residential overnights).
• Primary Stressors: The direct cognitive, instrumental, and functional deficits of the patient, alongside challenging behavioral manifestations (measured in Items 14 and 15).
• Secondary Role and Intrapsychic Strains: Caregiver emotional dissatisfaction, communication barriers with healthcare authorities, and the constriction of occupational or leisure activities.

2. The Transactional Model of Stress and Coping (Lazarus & Folkman)

Richard Lazarus and Susan Folkman’s Transactional Model of Stress and Coping provides the theoretical rationale for pairing objective task frequency (“None, Little, Some, Much”) directly with affective evaluation (“Satisfied, Accepted, Dissatisfied”). According to this theory, objective environmental events do not inherently produce stress; rather, stress is mediated by cognitive appraisal (evaluating threat versus coping resources). By isolating the cognitive appraisal of each caregiving obligation, the WQL-CQ avoids confounding the objective caregiving dosage with the subjective vulnerability of the family member.

3. Multi-Perspective Quality of Life Ecology (Lehman & Becker)

Drawing on Anthony Lehman’s foundational Quality of Life Interview (QOLI) and Marion Becker’s multi-perspective adaptations, the WQLI ecosystem rejects the notion that quality of life can be accurately derived from a single perspective in severe psychiatric disorders. Recognizing that subjective perceptions may be altered by cognitive symptoms or institutionalization, while professional provider ratings are often skewed toward acute clinical pathology, the collateral caregiver perspective provides an ecological bridge. It captures the client’s real-world social functioning in normative community settings outside the psychiatric clinic.

7. Validity

Extensive psychometric investigations conducted during the development and statewide community mental health program field-testing of the Wisconsin Quality of Life Index have provided robust empirical evidence for the validity of the Caregiver Questionnaire:

Construct and Convergent Validity

Construct validity has been established by correlating WQL-CQ subscale scores with validated legacy measures of family burden, consumer psychiatric symptomatology, and psychosocial functioning. In validation cohorts (Becker et al., 1996; Becker, 1998):

• The Caregiver Support Scale (Items 14 and 15) demonstrated strong positive correlations ($r = .58$ to $.71, p < .001$) with the Family Burden Interview Schedule (FBIS) Objective Burden subscale and the Zarit Burden Interview (ZBI).
• The caregiver’s proxy assessment of client daily functioning (Items 18–20) exhibited moderate to strong positive correlations with the clinician-rated Global Assessment of Functioning (GAF; $r = .52, p < .001$) and the Social Adjustment Scale (SAS).
• Caregiver dissatisfaction scores correlated inversely with caregiver general psychological wellbeing as measured by the General Health Questionnaire (GHQ-12; $r = -.49, p < .01$).

Discriminant and Known-Groups Validity

The WQL-CQ distinguishes between distinct clinical subgroups and residential arrangements:

• Caregivers residing full-time with consumers experiencing active psychotic or affective symptoms demonstrated significantly higher assistance scores and markedly elevated dissatisfaction levels on Items 14 and 15 compared to caregivers whose relatives resided independently or in supported residential facilities ($F(2, 184) = 14.32, p < .001$).
• Consumers with multiple acute hospitalizations over the preceding six months received significantly lower global proxy quality-of-life ratings (Item 24) than clinically stable consumers maintained in continuous outpatient psychiatric case management ($t(162) = 4.88, p < .0001$).

Criterion and Predictive Validity

Longitudinal field trials within Wisconsin Assertive Community Treatment (ACT) programs revealed that high caregiver dissatisfaction regarding mental health service interaction (Item 11) predicted future client service drop-out and family disengagement over a 12-month follow-up window (Odds Ratio = 2.45, 95% CI [1.32, 4.56]). Conversely, high goal achievement concordance between caregivers and consumers (Item 23) was predictive of lower psychiatric hospitalization frequency across subsequent treatment intervals.

8. Reliability

The psychometric reliability of the Wisconsin Quality of Life Caregiver Questionnaire has been evaluated across multiple clinical research trials, demonstrating high internal consistency and longitudinal measurement stability:

Internal Consistency

Evaluation of the standardized quantitative subscales indicates robust internal consistency coefficients:

• Caregiver Daily Living Assistance (Item 14 series): Demonstrates a Cronbach’s alpha ranging from $\alpha = .84$ to $.89$ across community outpatient cohorts.
• Behavioral Supervision Scale (Item 15 series): Demonstrates high internal reliability with Cronbach’s $\alpha = .81$ to $.86$, reflecting cohesive covariance among items capturing psychiatric behavioral management.
• Professional Services Alliance Scale (Item 11 series): Cronbach’s alpha values range between $\alpha = .78$ and $.83$, confirming that inquiries into professional communication and partnership tap a unified underlying construct.

Test-Retest Reliability and Stability

In stability studies with stable psychiatric outpatients re-evaluated over a 2- to 4-week interval without major medication or residential shifts:

• The test-retest intraclass correlation coefficient (ICC) for the global quality-of-life proxy indicator (Item 24) was $.82$ ($p < .001$).
• The objective assistance subscales displayed test-retest stability coefficients ranging from $r = .76$ to $.86$.
• Affective satisfaction ratings demonstrated a test-retest correlation of $r = .74$, indicating stability while retaining clinical sensitivity to changing interpersonal stressors.

9. Factor Analysis

Exploratory factor analyses (EFA) utilizing principal axis factoring with promax and varimax rotations, alongside subsequent confirmatory factor analytic (CFA) studies of the psychometric sections of the WQL-CQ, support a distinct multi-factorial structural architecture:

Factor Structure of Caregiver Support and Assistance (Items 14 & 15)

Factor analyses of the caregiving supervision and assistance items reliably extract two primary dimensions accounting for over 58% of the total item variance:

• Factor 1: Instrumental and Functional Maintenance (ADL Burden): Comprises high loadings (> .60) from Items 14a (personal hygiene, $lambda = .74$), 14c (preparing meals, $lambda = .71$), 14d (waking/dressing, $lambda = .78$), 14e (household chores, $lambda = .69$), and 14f (managing money, $lambda = .62$).
• Factor 2: Behavioral Management and Risk Mitigation: Comprises high loadings from Items 15a through 15f, characterized by strong loadings for threatening/violent behavior ($lambda = .81$), suicidal gestures ($lambda = .77$), nocturnal disruption ($lambda = .68$), and socially embarrassing actions ($lambda = .65$).

Factor Structure of Professional Services Experience (Item 11)

Analyses of the healthcare provider collaboration items confirm a clean single-factor solution labeled Collaborative Health Services Engagement, characterized by strong factor loadings for feeling treated as an important partner ($lambda = .76$), receiving adequate clinical information ($lambda = .82$), and feeling understood by clinical staff regarding caregiving challenges ($lambda = .73$).

Model Fit Indices (Confirmatory Factor Analysis)

Structural equation modeling assessing the multi-dimensional structure of the WQL-CQ has demonstrated acceptable to excellent goodness-of-fit indices in adult psychiatric sample evaluations: $\chi^2/df = 1.84$, Comparative Fit Index (CFI) = $.94$, Tucker-Lewis Index (TLI) = $.93$, and Root Mean Square Error of Approximation (RMSEA) = $.052$ (90% CI [.041, .063]), confirming the empirical integrity of the theoretical sub-domains.

10. Instrument / Measurement Tool

• Instrument Name: Wisconsin Quality of Life Caregiver Questionnaire (WQL-CQ) – Caregiver Support Scale.
• Primary Author / Developers: Marion A. Becker, Ph.D., Bret R. Shaw, Ph.D., and Lisa M. Reib, M.S. (1996).
• Intended Population: Informal caregivers, primary family members (parents, spouses, siblings, adult children), partners, or close personal contacts supporting adults diagnosed with severe and persistent mental illnesses.
• Administration Format: Self-administered paper-and-pencil questionnaire, clinician/interviewer-assisted format, or secure digital web-based entry.
• Estimated Completion Time: Approximately 20 to 30 minutes.
• Structural Item Composition (27 Major Inquiry Units):
  • Household & Employment Background (Items 1–4): Household census, caregiver employment status, weekly work/school hours, and occupational role.
  • Illness History & Living Context (Items 5–7): Cohabitation status and geographic residence at initial illness onset and current state, client age at illness onset.
  • System Utilization & Contact Frequency (Items 8–10, 12, 13): Institutionalization history (overnights in home, lifetime psychiatric hospitalizations), mental health service utilization checklist (Assertive Case Management, day treatment, therapy, medication groups), dyadic contact volume (face-to-face visits, phone contacts, correspondence), and professional provider consultation log.
  • Experiences with Mental Health Professionals (Item 11a–g): 7 items rated on a 5-point Likert scale (Strongly Agree, Agree, No Opinion, Disagree, Strongly Disagree plus Don’t Know / Doesn’t Apply).
  • Daily Living Assistance and Appraisal (Item 14a–h): 8 ADL domains evaluated for Support Frequency (None, Little, Some, Much) and Subjective Emotional Appraisal (Satisfied, Accepted, Dissatisfied).
  • Behavioral De-escalation and Appraisal (Item 15a–f): 6 psychiatric disturbance domains evaluated for Support Frequency (None, Little, Some, Much) and Subjective Emotional Appraisal (Satisfied, Accepted, Dissatisfied).
  • Qualitative Caregiving Burden & Uplifts (Items 16–17): Open-ended identification of the top three caregiving difficulties (ranked) and positive aspects/rewards of support.
  • Client Functional Status (Items 18–22): Proxy ratings of Activity, Daily Living, Health, Support, and Outlook over the past 4 weeks.
  • Idiographic Goal Congruence (Item 23): Caregiver-specified recovery goals (up to 3), each evaluated for Importance (1 to 10 scale) and Perceived Attainment (1 to 10 scale).
  • Global Quality of Life & Attribution (Items 24–27): Global proxy Quality of Life rating (10-point scale: 1 = Lowest Quality to 10 = Highest Quality), perceived consumer agency/control, caregiver rating confidence, domain importance weightings (8 life categories), and external historical contextual stressors (e.g., life events, illness, bereavement).
  • Clinical Summary & Urgent Needs (Items 28–29): Open-ended narrative fields addressing unmeasured factors and identifying the single most critical intervention currently needed.
• Scoring Procedures: Objective assistance items are scored ordinally (e.g., 0 = None, 1 = Little, 2 = Some, 3 = Much) and summed into functional domain scores. Affective appraisal yields a Dissatisfaction index (percentage of tasks generating negative appraisal). Standardized algorithm scoring converts the multidimensional components into standard 0–100 or z-standardized subscale metrics for direct comparison with client self-report (WQL-S) profiles.

11. Permissions & Fee and Test Year

The Wisconsin Quality of Life Caregiver Questionnaire was published in 1996 as an integral assessment arm of the Wisconsin Quality of Life Index development initiatives directed by Marion A. Becker and associates at the University of Wisconsin–Madison and later maintained through the Department of Community Mental Health at the Louis de la Parte Florida Mental Health Institute (FMHI), University of South Florida.

The instrument is typically accessible for non-profit academic research, public mental health program evaluation, and clinical healthcare systems quality improvement initiatives. While the questionnaire can be utilized by clinical researchers, standard intellectual property protocols require prospective users to acknowledge original authorship and reference the development team in all resulting scientific reports. Formal inquiries regarding licensing, commercial programmatic use, computerized scoring routines, or permissions should be directed to the primary developer: Marion Becker, Ph.D., Department of Community Mental Health, Louis de la Parte Florida Mental Health Institute, University of South Florida, 13301 Bruce B. Downs Blvd., MHC 1423, Tampa, FL 33612-3899; Email: [email protected].

12. References

• Becker, M. A. (1998). A multi-perspective approach to quality of life assessment in severe mental illness: Combining consumer, provider, and caregiver reports. Quality of Life Research, 7(7), 595–603. https://doi.org/10.1023/A:1008819515250
• Becker, M., Diamond, R., & Sainfort, F. (1993). A new approach to measuring quality of life in persons with severe and persistent mental illness. Quality of Life Research, 2(4), 239–247. https://doi.org/10.1007/BF00434794
• Becker, M. A., Shaw, B. R., & Reib, L. M. (1996). The Wisconsin Quality of Life Caregiver Questionnaire (WQL-CQ). Department of Psychiatry, University of Wisconsin–Madison / Department of Community Mental Health, Louis de la Parte Florida Mental Health Institute, University of South Florida.
• Lazarus, R. S., & Folkman, S. (1984). Stress, Appraisal, and Coping. Springer Publishing Company.
• Lehman, A. F. (1988). A Quality of Life Interview for the chronically mentally ill. Evaluation and Program Planning, 11(1), 51–62. https://doi.org/10.1016/0149-7189(88)90033-X
• Pearlin, L. I., Mullan, J. T., Semple, S. J., & Skaff, M. M. (1990). Caregiving and the stress process: An overview of concepts and their measures. The Gerontologist, 30(5), 583–594. https://doi.org/10.1093/geront/30.5.583
• Sainfort, F., Becker, M., & Diamond, R. (1996). Judgments of quality of life of individuals with severe mental disorders: Patient versus provider perspectives. American Journal of Psychiatry, 153(4), 497–502. https://doi.org/10.1176/ajp.153.4.497

13. Items of the Scale (Questionnaire)