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The Integral Theory System Questionnaire: an anatomically directed questionnaire to determine pelvic floor dysfunctions in women Universiteit Gent

Florian Martin Erich Wagenlehner, Oliver Fröhlich, Thomas Bschleipfer, Wolfgang Weidner, Gianpaolo Perletti
Anatomical damage to pelvic floor structures may cause multiple symptoms. The Integral Theory System Questionnaire (ITSQ) is a holistic questionnaire that uses symptoms to help locate damage in specific connective tissue structures as a guide to reconstructive surgery. It is based on the integral theory, which states that pelvic floor symptoms and prolapse are both caused by lax suspensory ligaments. The aim of the present study was to ...

How questionnaires shape experienced symptoms : a qualitative case comparison study of questionnaire administration in psychotherapy research Universiteit Gent

Femke Truijens, Kimberly Van Nieuwenhove, Melissa De Smet, Mattias Desmet, Reitske Meganck
Quantified symptom measurement by self-report questionnaires is part of the 'gold standard' of assessing psychotherapeutic efficacy. In this paper, we report a qualitative case comparison to explore how June and Amy, two patient-participants in a gold standard psychotherapy study, experienced the process of quantitative data collection. The study resembles cognitive interviewing studies conducted in the development of measures, yet advances them ...

Reliability and validity of a Dutch Lymphoedema Questionnaire: Cross-cultural validation of the Norman Questionnaire Universiteit Antwerpen KU Leuven

An De Groef, Tessa De Vrieze, Lore Dams, Frauke Penen, Elien van der Gucht, Brecht Van Assche, Vincent Verhaeghe, Nele Devoogdt
Objective To perform the cross-cultural validation process of the Dutch Norman Questionnaire (NQ), a questionnaire for the detection and characterisation of breast-cancer related lymphoedema (BCRL) using self-reported signs and symptoms. Methods Test-retest reliability and construct (including convergent, divergent and known-groups validity), face and content validity were examined in breast cancer patients with (n = 30) and without (n = 30) ...

Development and validation of a spina bifida-specific pediatric quality of life questionnaire: the Spina Bifida Pediatric Questionnaire, SBPQ Universiteit Gent

Saskia Vande Velde, Jolien Laridaen, Eline Van Hoecke, Stephanie Van Biervliet, Ruth De Bruyne, Myriam Van Winckel, Liesbet Goubert
Based on existing questionnaires and patient interview, a health-related quality of life (HRQoL) questionnaire in spina bifida (SB) children is created and validated, the Spina Bifida Pediatric Questionnaire (SBPQ). SB patients from the SB reference centre Ghent University Hospital, Belgium, with mental ability between 6 and 18 years old and their parents were asked to participate in the study, together with a control group. Thirty-nine patients ...

Self-report questionnaires scrutinised: do eye movements reveal individual differences in cognitive processes while completing a questionnaire? Universiteit Antwerpen

Margot Chauliac, Leen Catrysse, David Gijbels, Sven De Maeyer, Vincent Donche
Completing questionnaires is a complex task in which multiple cognitive processes play an important role. Despite critiques of the reliability of questionnaires, our research strived to gain more insight into the process of completing questionnaires by using eye-tracking. We investigated how both the question and the categories of answers were being processed and how processing the question influenced the processing of the categories of answers. ...

Measurement Properties of Patient Health Questionnaire 9 and Patient Health Questionnaire 2 in Adult Patients With Atopic Dermatitis Vrije Universiteit Brussel

Brad Lee, Muhammad Yousaf, Sherief Janmohamed, Rajeev Chavda, Sylvie Gabriel, Kevin R Patel

BACKGROUND: Few outcome measures were validated for assessing depressive symptoms in AD. Patient Health Questionnaire-9 (PHQ9) and the abridged PHQ2 are established patient-reported outcome measures of depressive symptoms.

OBJECTIVE: We sought to examine the measurement properties of PHQ9 and PHQ2 in adult AD. A prospective dermatology-practice based study of 458 AD patients (age 18-97 years) was conducted.

RESULTS: PHQ9 ...

Validation of the German versions of the Perceived Stigmatization Questionnaire and the Social Comfort Questionnaire in adult burn survivors Odisee vzw KU Leuven Universiteit Antwerpen

Dirk Smits
OBJECTIVE: To investigate the factor structure, reliability, and validity of the German version of the Perceived Stigmatization Questionnaire/Social Comfort Questionnaire (PSQ/SCQ) in burn victims. METHODS: The PSQ/SCQ was answered by 139 adult burn survivors (age M=49.69, SD=15.16 years). Factor structure was examined using a confirmatory factor analysis (CFA). Validity was investigated through correlations between the PSQ/SCQ scales and ...

Clinimetric properties of illness perception questionnaire revised (IPQ-R) and brief illness perception questionnaire (Brief IPQ) in patients with musculoskeletal disorders Vrije Universiteit Brussel KU Leuven Universiteit Gent Universiteit Antwerpen

Marijke Leysen, Jo Nijs, Mira Meeus, C Paul van Wilgen, Filip Struyf, Alexandra Vermandel, Kevin Kuppens, Nathalie Roussel

Several questionnaires are available to evaluate illness perceptions in patients, such as the illness perception questionnaire revised (IPQ-R) and the brief version (Brief IPQ). This study aims to systematically review the literature concerning the clinimetric properties of the IPQ-R and the Brief IPQ in patients with musculoskeletal pain. The electronic databases Web of Sciences and PubMed were searched. Studies were included when the ...

Development, psychometric validation, and cross-cultural comparison of the "Instagram Motives Questionnaire" (IMQ) and the "Instagram Uses and Patterns Questionnaire" (IUPQ). KU Leuven Universiteit Antwerpen

Stephan Van den Broucke
BACKGROUND AND AIMS: Social network use is widespread, and the study of Instagram seems to have captured more attention in recent years. However, scale development and validation in the field has fallen short of providing sound scales of Instagram motives and usage patterns that consider the uniqueness of Instagram-related behavior. This paper describes the development, psychometric and cross-cultural validation of two new measurement ...