Figure 2From: The relationship of oral health literacy with oral health-related quality of life in a multi-racial sample of low-income female caregivers Relationship between OHL and oral health related quality of life estimates [OHIP-14 severity (a), prevalence (b) and extent (c)] illustrated by polynomial smoothing functions and corresponding 95% confidence limits, among the female caregivers participating in the COHL study (N = 1,278).Back to article page