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. 2012 Sep;70(5):390-7.
doi: 10.3109/00016357.2011.629627. Epub 2011 Dec 8.

Caregivers' oral health literacy and their young children's oral health-related quality-of-life

Kimon Divaris  1 , Jessica Yuna Lee, Arnett Diane Baker, William Felix Vann Jr
Affiliations

Caregivers' oral health literacy and their young children's oral health-related quality-of-life

Kimon Divaris et al. Acta Odontol Scand. 2012 Sep.

Abstract

Objectives: To investigate the association of caregivers' oral health literacy (OHL) with their children's oral health related-quality of life (C-OHRQoL) and explore literacy as a modifier in the association between children's oral health status (COHS) and C-OHRQoL.

Methods: This study relied upon data from structured interviews with 203 caregivers of children aged 3-5 from the Carolina Oral Health Literacy (COHL) Project. Data were collected for OHL using REALD-30, caregiver-reported COHS using the NHANES-item and C-OHRQoL using the Early Childhood Oral Health Impact Scale (ECOHIS). This study also measured oral health behaviors (OHBs) and socio-demographic characteristics and calculated overall/stratified summary estimates for OHL and C-OHRQoL. Spearman's rho and 95% confidence intervals (CI) were computed as measures of correlation of OHL and COHS with C-OHRQoL. To determine whether OHL modified the association between COHS and C-OHRQoL, this study compared literacy-specific summary and regression estimates.

Results: Reported COHS was: excellent-50%, very good-28%, good-14%, fair-6%, poor-2%. The aggregate C-OHRQoL mean score was 2.0 (95% CI: 1.4, 2.6), and the mean OHL score 15.9 (95% CI: 15.2, 16.7). There was an inverse relationship between COHS and C-OHRQoL: ρ = -0.32 (95% CI: -0.45, -0.18). There was no important association between OHL and C-OHRQoL; however, deleterious OHBs were associated with worse C-OHRQoL. Literacy-specific linear and Poisson regression estimates of the association between COHS and C-OHRQoL departed from homogeneity (Wald χ(2) p < 0.2).

Conclusion: In this community-based sample of caregiver/child dyads, a strong correlation was found between OHS and C-OHRQoL. The association's magnitude and gradient were less pronounced among caregivers with low literacy.

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Figures

Figure
Figure
Bar graphs illustrating the mean child oral health related quality of life scores (ECOHIS) by caregiver-reported child oral health status, for strata of caregiver oral health literacy (OHL; “low” literacy: <13 REALD-30; “high” literacy: ≥13 REALD-30) among the 203 caregiver-child dyads participating in the Carolina Oral Health Literacy (COHL) project.
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