Gender differences in the association between tooth loss and obesity
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Date
2015
Authors
Singh, A.
De Anselmo Peres, M.
Glazer De Anselmo Peres, K.
Bernardo, C.
Xavier, A.
d'Orsi, E.
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Revista de Saúde Pública, 2015; 49(44):1-9
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Ankur Singh, Marco Aurélio Peres, Karen Glazer Peres, Carla de Oliveira Bernardo,Andre Xavier, Eleonora D’Orsi
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Abstract
OBJECTIVE: To analyze if differences according to gender exists in the
association between tooth loss and obesity among older adults.
METHODS: We analyzed data on 1,704 older adults (60 years and over)
from the baseline of a prospective cohort study conducted in Florianopolis,
SC, Southern Brazil. Multivariable logistic regression models were used to
assess the association between tooth loss and general and central obesity after
adjustment for confounders (age, gender, skin color, educational attainment,
income, smoking, physical activity, use of dentures, hypertension, and
diabetes). Linear regressions were also assessed with body mass index and
waist circumference as continuous outcomes. Interaction between gender
and tooth loss was further assessed.
RESULTS: Overall mean body mass index was 28.0 kg/m². Mean waist
circumference was 96.8 cm for males and 92.6 cm for females. Increasing
tooth loss was positively associated with increased body mass index and
waist circumference after adjustment for confounders. Edentates had 1.4
(95%CI 1.1;1.9) times higher odds of being centrally obese than individuals
with a higher number of teeth; however, the association lost significance after
adjustment for confounders. In comparison with edentate males, edentate
females presented a twofold higher adjusted prevalence of general and central
obesity. In the joint effects model, edentate females had a 3.8 (95%CI 2.2;6.6)
times higher odds to be centrally obese in comparison with males with more
than 10 teeth present in both the arches. Similarly, females with less than 10
teeth in at least one arch had a 2.7 (95%CI 1.6;4.4) times higher odds ratio
of having central obesity in comparison with males with more than 10 teeth
present in both the arches.
CONCLUSIONS: Central obesity was more prevalent than general obesity
among the older adults. We did not observe any association between general
obesity and tooth loss. The association between central obesity and tooth
loss depends on gender – females with tooth loss had greater probability of
being obese.
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© http://creativecommons.org/licenses/by/4.0/deed.en