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BMC Oral Health. 2018 Nov 1;18(1):183. doi: 10.1186/s12903-018-0646-8.

Factors associated with future dental care utilization among low-income smokers overdue for dental visits.

Author information

1
Kaiser Permanente Washington Health Research Institute, 1730 Minor Ave, Suite 1600, Seattle, WA, 98101, USA. Paula.R.Blasi@kp.org.
2
Department of Biostatistics, University of Washington, F-600, Health Sciences Building 1705 NE Pacific Street, Seattle, WA, 98195, USA.
3
Kaiser Permanente Washington Health Research Institute, 1730 Minor Ave, Suite 1600, Seattle, WA, 98101, USA.
4
Optum Center for Wellbeing Research, 999 3rd Ave., Suite 2000, Seattle, Washington, 98104, USA.
5
Betty Irene Moore School of Nursing, University of California-Davis, 2450 48th Street, Suite 2600, Sacramento, CA, 95817, USA.

Abstract

BACKGROUND:

Smokers are at increased risk of oral disease. While routine dental care can help prevent and treat oral health problems, smokers have far lower rates of dental care utilization compared with non-smokers. We sought to better understand which factors may facilitate or hinder dental care utilization among low-income smokers participating in a randomized intervention trial in order to inform future intervention planning.

METHODS:

This is a secondary analysis of data collected between 2015 and 2017 as part of the OralHealth4Life trial. Participants were eligible callers to the Louisiana, Nebraska, and Oregon state tobacco quitlines who had no dental appointment in the prior or upcoming six months. We examined the association between participants' baseline characteristics and their receiving professional dental care between baseline and the 6-month follow-up survey.

RESULTS:

Participants were racially diverse (42% non-White) and two-thirds had an annual household income under $20,000. Most (86.7%) had not had a dental cleaning in more than one year. Commonly cited barriers to dental care included cost (83.7%) and no dental insurance (78.1%). Those with dental insurance were more likely to see a dentist at follow-up (RR 1.66). Similarly, those reporting a dental insurance barrier to care were less likely to see a dentist at follow-up (RR 0.69); however, there was no significant utilization difference between those reporting a cost barrier vs. those who did not. After controlling for these financial factors, the following baseline characteristics were significantly associated with a higher likelihood of dental care utilization at 6 months: higher motivation (RR 2.16) and self-efficacy (RR 1.80) to visit the dentist, having a disability (RR 1.63), having a higher education level (RR 1.52), and having perceived gum disease (RR 1.49). Factors significantly associated with a lower likelihood of dental care utilization included being married (RR 0.68) and not having a last dental cleaning within the past year (RR 0.47).

CONCLUSIONS:

Our findings provide important insight into factors that may facilitate or deter use of professional dental care among low-income smokers. This information could inform the development of future interventions to promote dental care utilization.

TRIAL REGISTRATION:

ClinicalTrials.gov : NCT02347124 ; registered 27 January 2015.

KEYWORDS:

Access to dental care; Dental care; Dental care barriers; Dental insurance; Motivation; Oral health; Oral health care; Self-efficacy; Smoking; Tobacco

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