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The development and validation of the Leiden Bother and Needs Questionnaire for patients with pituitary disease: the LBNQ-Pituitary

Andela, C. D., Scharloo, M., Ramondt, S., Tiemensma, J., Husson, O., Llahana, S. ORCID: 0000-0002-3606-5370, Pereira, A. M., Kaptein, A. A., Kamminga, N. G. A. and Biermasz, N. R. (2016). The development and validation of the Leiden Bother and Needs Questionnaire for patients with pituitary disease: the LBNQ-Pituitary. Pituitary, 19(3), pp. 293-302. doi: 10.1007/s11102-016-0707-4

Abstract

Background
Patients report persisting impairment in quality of life (QoL) after treatment for pituitary disease. At present, there is no questionnaire to assess (a) whether patients with pituitary disease are bothered by these consequences, and (b) their needs for support.

Objective
To develop and validate a disease-specific questionnaire for patients with pituitary disease which incorporates patient perceived bother related to the consequences of the disease, and their needs for support.

Methods
Items for the Leiden Bother and Needs Questionnaire for patients with pituitary disease (LBNQ-Pituitary) were formulated based on results of a recent focus group study (n = 49 items). 337 patients completed the LBNQ-Pituitary and six validated QoL questionnaires (EuroQoL-5D, SF-36, MFI-20, HADS, AcroQol, CushingQoL). Construct validity was examined by exploratory factor analysis. Reliabilities of the subscales were calculated with Cronbach’s alphas, and concurrent validity was assessed by calculating Spearman’s correlations between the LBNQ-Pituitary and the other measures.

Results
Factor analyses produced five subscales (i.e., mood problems, negative illness perceptions, issues in sexual functioning, physical and cognitive complaints, issues in social functioning) containing a total of 26 items. All factors were found to be reliable (Cronbach’s alphas all ≥.765), and the correlations between the dimensions of the LBNQ-Pituitary and other questionnaires (all P ≤ .0001) demonstrated convergent validity.

Conclusions
The LBNQ-Pituitary can be used to assess the degree to which patients are bothered by the consequences of the pituitary disease, as well as their needs for support. It could also facilitate an efficient assessment of patients’ needs for support in clinical practice. We postulate that paying attention to needs for support will lead to optimal patient care (e.g., improvement in psychosocial care), and positively affect QoL.

Publication Type: Article
Publisher Keywords: Patient-reported outcome; Needs; Quality of life; Illness perceptions; Pituitary adenomas; Acromegaly; Cushing's disease; Cushing's syndrome; Prolactinoma; Non-functioning pituitary macroadenoma; Hypopituitarism
Subjects: R Medicine > RC Internal medicine
R Medicine > RT Nursing
Departments: School of Health Sciences > Nursing
URI: http://openaccess.city.ac.uk/id/eprint/20964
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