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Published in: Health and Quality of Life Outcomes 1/2006

Open Access 01-12-2006 | Research

Positive and negative affect and oral health-related quality of life

Authors: David S Brennan, Kiran A Singh, A John Spencer, Kaye F Roberts-Thomson

Published in: Health and Quality of Life Outcomes | Issue 1/2006

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Abstract

Background

The aims of the study were to assess the impact of both positive (PA) and negative affect (NA) on self-reported oral health-related quality of life and to determine the effect of including affectivity on the relationship between oral health-related quality of life and a set of explanatory variables consisting of oral health status, socio-economic status and dental visiting pattern.

Methods

A random sample of 45–54 year-olds from metropolitan Adelaide, South Australia was surveyed by mailed self-complete questionnaire during 2004–05 with up to four follow-up mailings of the questionnaire to non-respondents (n = 986 responded, response rate = 44.4%). Oral health-related quality of life was measured using OHIP-14 and affectivity using the Bradburn scale. Using OHIP-14 and subscales as the dependent variables, regression models were constructed first using oral health status, socio-economic characteristics and dental visit pattern and then adding PA and NA as independent variables, with nested models tested for change in R-squared values.

Results

PA and NA exhibited a negative correlation of -0.49 (P < 0.01). NA accounted for a larger percentage of variance in OHIP-14 scores (3.0% to 7.3%) than PA (1.4% to 4.6%). In models that included both PA and NA, PA accounted for 0.2% to 1.1% of variance in OHIP-14 scores compared to 1.8% to 3.9% for NA.

Conclusion

PA and NA both accounted for additional variance in quality of life scores, but did not substantially diminish the effect of established explanatory variables such as oral health status, socio-economic status and dental visit patterns.
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Metadata
Title
Positive and negative affect and oral health-related quality of life
Authors
David S Brennan
Kiran A Singh
A John Spencer
Kaye F Roberts-Thomson
Publication date
01-12-2006
Publisher
BioMed Central
Published in
Health and Quality of Life Outcomes / Issue 1/2006
Electronic ISSN: 1477-7525
DOI
https://doi.org/10.1186/1477-7525-4-83

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