Effect of Beverage Consumption Frequency on DMFT Index among Iranian Adult Population: An AZAR Cohort Study
Table 3
Modeling DMFT based on negative binominal regression modela.
Model 1b RR (95% CI)
-value
Model 2c IRR (95% CI)
-value
Milk derivatives
Never
0.95 (0.90–1.01)
0.14
0.99 (0.93–1.05)
0.79
Occasionally
0.98 (0.93–1.02)
0.40
1.00 (0.95–1.04)
0.99
Weekly
0.95 (0.91–0.99)
0.05
0.98 (0.94–1.03)
0.58
Doogh
Never
1.04 (0.97–1.12)
0.20
1.03 (0.96–1.11)
0.37
Occasionally
0.99 (0.94–1.05)
0.98
0.99 (0.93–1.04)
0.77
Weekly
0.98 (0.93–1.04)
0.65
0.99 (0.93–1.04)
0.72
Tea and coffee beverages
Never
0.88 (0.73–1.04)
0.15
0.87 (0.73–1.05)
0.15
Occasionally
0.85 (0.64–1.12)
0.26
0.86 (0.65–1.14)
0.30
Weekly
0.86 (0.77–0.96)
<0.01
0.87 (0.78–0.97)
0.01
Natural fruit juice and nonalcoholic beer
Never
1.02 (0.87–1.20)
0.76
0.97 (0.82–1.14)
0.74
Occasionally
0.97 (0.83–1.14)
0.74
0.96 (0.82–1.13)
0.66
Weekly
0.97 (0.83–1.14)
0.76
0.98 (0.83–1.15)
0.85
Sugar-sweetened soft beverages
Never
1.05 (0.96–1.16)
0.23
0.92 (0.84–1.01)
0.10
Occasionally
0.99 (0.91–1.08)
0.92
0.93 (0.85–1.01)
0.10
Weekly
1.02 (0.93–1.11)
0.63
0.98 (0.90–1.07)
0.69
a“Daily” consumption frequency was considered as the reference variable, bModel 1 was not adjusted, cModel 2 was adjusted for gender, age, brushing, and socioeconomic status, statistically significant.
