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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/33463

Title: Dimensional structure of the oral health-related quality of life in healthy Spanish workers
Authors: Montero Martín, Javier
Bravo Pérez, Manuel
Vicente, María Purificación
Galindo, María Purificación
López, Joaquín F.
Albaladejo Martínez, Alberto
Issue Date: 2010
Abstract: Background: Oral health-related quality of life (OHQoL) is conceived as a multidimensional construct. Here our aim was to investigate the dimensional structure of OHQoL as measured by the Spanish versions of the Oral Impacts on Daily Performance (OIDP) and the Oral Health Impact Profile (OHIP-14) questionnaires applied simultaneously. Methods: We recruited a consecutive sample of 270 healthy Spanish workers visiting the Employment Risk Prevention Centre for a routine medical check-up. OHIP-14 was self-completed by participants but the OIDP was completed in face-to-face interviews. An Exploratory Factor Analysis (EFA) was performed to identify the underlying dimensions of the OHQoL construct assessed by both instruments. This factorial structure was later confirmed by Confirmatory Factor Analysis (CFA) using several estimators of goodness of fit indices. Results: EFA and the CFA identified and respectively confirmed a set of 3 underlying factors in both questionnaires that could be interpreted as functional limitation, pain-discomfort, and psychosocial impacts. The model achieved was seen to fit properly for both instruments, but the factorial structure was clearer for the OIDP. Conclusions: The results provide evidence for construct equivalence in the latent factors assessed by both OIDP and OHIP-14, suggesting that OHQoL is a three-dimensional construct. The prevalence of impact on these three factors was coherent between both indicators, pain-discomfort having the highest prevalence, followed by psycho-social impact, and functional limitation.
Publisher: Springer Open
Keywords: Oral health
Quality of life
URI: http://hdl.handle.net/10481/33463
ISSN: 1477-7525
Citation: Montero, J.; et al. Dimensional structure of the oral health-related quality of life in healthy Spanish workers. Health and Quality of Life Outcomes, 8: 24 (2010). [http://hdl.handle.net/10481/33463]
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