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Revista Portuguesa de Estomatologia,
Medicina Dentária e Cirurgia Maxilofacial

rev port estomatol med dent cir maxilofac. 2018;59(4):181-190

Original research

Self-rated health and oral health in type 2
diabetic patients – a case-control study

f
José Frias-Bulhosa a,b,c , Maria Conceição Manso b,d,e, *, Carla Lopes Mota , Paulo Melo a,c,g
a Faculty of Dentistry, University of Porto, Porto, Portugal
b Faculty of Health Sciences, University Fernando Pessoa, Porto, Portugal
c Institute of Public Health, University of Porto (ISPUP), Porto, Portugal
d Fernando Pessoa Energy, Environment and Health Research Unit (FP-ENAS), Porto, Portugal
e LAQV/REQUIMTE, University of Porto, Porto, Portugal
f Primary Healthcare Centre (USF) Barão do Corvo, ACES, Gaia, Portugal
g The Epidemiology Research Unit (EPIUnit), Porto, Portugal

a r t i c l e i n f o a b s t r a c t

Article history: Objectives: To analyze whether there are differences between self-rated general health (SRH)
Received 9 June 2018 and self-rated oral health (SROH) between individuals with type 2 diabetes mellitus (DM2)
Accepted 27 December 2018 and without DM2, and to explore the general and oral conditions associated with major
Available online 6 February 2019 impacts on general health (GH) and oral health (OH) self-perception.
Methods: After obtaining ethical approval and informed consent, the sample included 343
Keywords: DM2 patients (DM2 group) and 323 controls (nDM2 group), all adult volunteers. Data was
Case-control study obtained from clinical records and oral health examination, using WHO criteria and a ques-
Primary health care tionnaire to rate their own GH and OH on a Likert 5-point scale. Inference analysis was
Self-rated health conducted using parametric and non-parametric tests and logistic multivariable regression
Self-rated oral health (MLR) (α=0.05).
Type 2 diabetes Results: DM2 patients’ perception of own GH was significantly worse than nDM2’s (p<0.001).
The MLR showed that the risk factors for a worse perceived GH were calculus and oral hy-
giene at night in nDM2, and HTA, dyslipidaemia and at least one missing tooth in DM2. Both
SRH and SROH were significantly (p<0.001) often classified as “bad” or “very bad” in DM2.
Calculus and pockets ≥4mm were identified as increased risk factors (OR=3.55, p=0.049;
OR=4.32, p=0.025, respectively) and DMFT>0, calculus and gingival recession were associat-
ed (p<0.001) with “bad” or “very bad” SRH and SROH in the MLR.
Conclusions: Individuals with type 2 diabetes mellitus showed a worse self-perception of
own general health and oral health than individuals without this pathology, and oral health
was generally self-rated worse than general health. (Rev Port Estomatol Med Dent Cir Max-
ilofac. 2018;59(4):181-190)
© 2018 Sociedade Portuguesa de Estomatologia e Medicina Dentária.
Publicado por SPEMD. Este é um artigo Open Access sob uma licença CC BY -NC -ND
(http://creativecommons.org/licenses/by -nc -nd/4.0/).

* Corresponding author.
Correio eletrónico: cmanso@ufp.edu.pt (M. Conceição Manso).
http://doi.org/10.24873/j.rpemd.2018.11.423
1646-2890/© 2017 Sociedade Portuguesa de Estomatologia e Medicina Dentária. Published by SPEMD.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).