Research Article

Association between Drinking Habits and Oral Symptoms: A Cross-Sectional Study Based on Japanese National Statistical Data

Table 6

Results of logistic regression analysis in relation to drinking habit.

Partial regression coefficient significance test95% CI
Selected explanatory variablePartial regression coefficientWald statistic valueJudgementOdds ratioLower limitUpper limit

Sex (male/ref: female)1.462152.87<0.0014.313.425.44
Smoking status (yes/ref: no)0.75533.43<0.0012.131.652.75
Difficulty chewing (yes/ref: no)0.4863.960.0471.631.012.62
Working hours (more than 50 hours/ref: less than 50 hours)0.4046.640.0101.501.102.04
Worries or stress (yes/ref: no)−0.1932.350.1260.820.641.06
Health impression (poor/ref: regular, good)−0.2042.890.0890.820.641.03

Note: . Only explanatory variables selected by the forward selection method are shown. n = 1740, coefficient of determination R2 = 0.134, and percentage of correct classifications = 71.0%; ref: reference.