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 test
95% CI
Selected explanatory variable
Partial regression coefficient
Wald statistic
value
Judgement
Odds ratio
Lower limit
Upper limit
Sex (male/ref: female)
1.462
152.87
<0.001
4.31
3.42
5.44
Smoking status (yes/ref: no)
0.755
33.43
<0.001
2.13
1.65
2.75
Difficulty chewing (yes/ref: no)
0.486
3.96
0.047
1.63
1.01
2.62
Working hours (more than 50 hours/ref: less than 50 hours)
0.404
6.64
0.010
1.50
1.10
2.04
Worries or stress (yes/ref: no)
−0.193
2.35
0.126
0.82
0.64
1.06
Health impression (poor/ref: regular, good)
−0.204
2.89
0.089
0.82
0.64
1.03
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.