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Validation of two short versions of the Zarit Burden Interview in the palliative care setting: a questionnaire to assess the burden of informal caregivers.

ABSTRACT: PURPOSE:Several validated outcome measures, among them the Zarit Burden Interview (ZBI), are valid for measuring caregiver burden in advanced cancer and dementia. However, they have not been validated for a wider palliative care (PC) setting with non-cancer disease. The purpose was to validate ZBI-1 (ultra-short version and proxy rating) and ZBI-7 short versions for PC. METHODS:In a prospective, cross-sectional study with informal caregivers of patients in inpatient (PC unit, hospital palliative support team) and outpatient (home care team) PC settings of a large university hospital, content validity and acceptability of the ZBI and its structural validity (via confirmatory factor analysis (CFA) and Rasch analysis) were tested. Reliability assessment used internal consistency and inter-rater reliability and construct validity used known-group comparisons and a priori hypotheses on correlations with Brief Symptom Inventory, Short Form-12, and Distress Thermometer. RESULTS:Eighty-four participants (63.1% women; mean age 59.8, SD 14.4) were included. Structural validity assessment confirmed the unidimensional structure of ZBI-7 both in CFA and Rasch analysis. The item on overall burden was the best item for the ultra-short version ZBI-1. Higher burden was recorded for women and those with poorer physical health. Internal consistency was good (Cronbach's ??=?0.83). Inter-rater reliability was moderate as proxy ratings estimated caregivers' burden higher than self-ratings (average measures ICC?= 0.51; CI?= 0.23-.69; p?= 0.001). CONCLUSION:The ZBI-7 is a valid instrument for measuring caregiver burden in PC. The ultra-short ZBI-1 can be used as a quick and proxy assessment, with the caveat of overestimating burden.

SUBMITTER: Kuhnel MB

PROVIDER: S-EPMC7546983 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Validation of two short versions of the Zarit Burden Interview in the palliative care setting: a questionnaire to assess the burden of informal caregivers.

Kühnel Martina B MB Ramsenthaler Christina C Bausewein Claudia C Fegg Martin M Hodiamont Farina F

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer 20200215 11

<h4>Purpose</h4>Several validated outcome measures, among them the Zarit Burden Interview (ZBI), are valid for measuring caregiver burden in advanced cancer and dementia. However, they have not been validated for a wider palliative care (PC) setting with non-cancer disease. The purpose was to validate ZBI-1 (ultra-short version and proxy rating) and ZBI-7 short versions for PC.<h4>Methods</h4>In a prospective, cross-sectional study with informal caregivers of patients in inpatient (PC unit, hosp ...[more]

PMID: 32060707

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Project description:BACKGROUND:Teamwork and job satisfaction are important among the multidisciplinary team who care patients with chronic illnesses such as heart failure (HF) patients. TeamSTEPPS teamwork perceptions questionnaire (T-TPQ) and Minnesota Satisfaction Questionnaire "short form" (MSQ-short) are both self-report questionnaires which examine multiple dimensions of perceptions of teamwork and job satisfaction within healthcare settings, respectively. The aim of the study was to examine the psychometric properties of the Greek versions of the TeamSTEPPS Teamwork perceptions questionnaire (Gr-T-TPQ) and Minnesota Satisfaction Questionnaire "short form" (Gr-MSQ-short). METHODS:A methodological study was contacted in order to assess the construct validity and reliability of the Gr-T-TPQ and Gr-MSQ-short. For that reason, 292 questionnaires were administrated to Greek-Cypriot health care professionals (HCPs). Confirmatory factor analysis (CFA) was conducted for the data collected with the GrT-TPQ and Exploratory factor analysis (EFA) and CFA were also conducted for the data collected with the GrMSQ-short questionnaire. Cronbach's a was calculated as well. RESULTS:CFA of the data collected with Gr-T-TPQ confirmed the initial scale structure with excellent fit indices (×?2 (df) 1124.75 (550), p?<?0.0001, AGFI?=?0.986, TLI?=?0.994, CFI?=?0.994, RMSEA?=?0.06, 90%, C.I.[0.055-0.065]). Furthermore, all dimensions were found to be correlated (r?=?0.65 to r?=?0.88) and internal consistency was found adequate (Cronbach's ??=?0.96). Subscales also, demonstrated high internal consistency (??=?0.87-0.95). CFA for the data collected with Gr-MSQ-short, did not confirm the initial scale's dimensions. In EFA items 1, 5, 6, 12 and 18 were eliminated from the analysis due to low communalities and multiple components loading. The oblimin rotation with two factors was explaining 58% of the variance. These two factors identified were Supervisor/Autonomy and Task Enrichment. CONCLUSIONS:In general, the Gr-T-TPQ and Gr-MSQ-short are construct-valid instruments for measuring perceptions of teamwork and job satisfaction in Greek speaking HCPs' population.

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Dataset Information

Validation of two short versions of the Zarit Burden Interview in the palliative care setting: a questionnaire to assess the burden of informal caregivers.

Publications

Validation of two short versions of the Zarit Burden Interview in the palliative care setting: a questionnaire to assess the burden of informal caregivers.

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