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Table 4 Weighted multivariate Logistic regression analyses of the association between untreated dental caries and dental caries experience with sleep for individuals aged 16 or above

From: Association between sleep duration and dental caries in a nationally representative U.S. population

Predictor variable

Untreated Dental Caries

Dental Caries Experience

Adjusted Odds Ratio

P Value

95% Confidence Interval

Adjusted Odds Ratio

P Value

95% Confidence Interval

Sleep duration*

0.87

0.002

0.81–0.94

0.86

0.036

0.75–0.98

Sleep ≥ 7 h/night#

0.7

0.005

0.56–0.88

0.52

0.008

0.33–0.82

  1. All models were adjusted for age, gender, race, level of education, income level and BMI
  2. *: Sleep duration is a continuous variable for the number of hours slept per night
  3. #: A binary variable for those who slept ≥ 7 h per night vs. those who slept < 7 h