Table 2.
Dietary, Behavioral, and Caries Outcome Variables of Iowa Fluoride Subjects (based on n=392)1
| Dietary, Behavior, and Fluoride Intake Variables | |||
|---|---|---|---|
| Variable | Dental Examination Visit – Mean (SD) | ||
| Age 9 (n=376) |
Age 13 (n=382) |
Age 17 (n=372) |
|
| Water and Other Sugar-Free Beverages (oz/day) | 15.4 (8.7) | 16.2 (10.8) | 22.0 (14.8) |
| Milk (oz/day) | 13.1 (6.5) | 12.6 (7.9) | 12.8 (10.0) |
| Sugar-Sweetened Beverages (oz/day) | 5.8 (4.5) | 11.1 (8.4) | 12.7 (10.7) |
| 100% Juice (oz/day) | 4.5 (3.6) | 2.2 (2.5) | 2.1 (2.7) |
| Home Fluoride (ppm) | 0.8 (0.4) | 0.8 (0.4) | 0.8 (0.4) |
| Fluoride Ingested (mg/day) | 0.7 (0.4) | 0.8 (0.4) | 0.9 (0.5) |
| Daily Brushing Frequency | 1.5 (0.5) | 1.5 (0.5) | 1.7 (0.5) |
| Caries Outcomes | |||
| Variable | Dental Examination Visit – Mean (SD) | ||
|
Age 92 (n=376) |
Age
13 (n=382) |
Age
17 (n=372) |
|
| Mean DFS | 0.50 (1.12) | 1.05 (2.10) | 2.94 (4.05) |
| Mean Adjusted Caries Increment | 0.50 (1.12) | 0.65 (1.53) | 1.89 (2.85) |
1
All 392 subjects had caries exams at ages 9, 13, and 17, but sample sizes in this table are slightly lower due to missing covariate information.
2
Permanent DFS increment and incidence are the same at age 9.