Table 1.
General characteristics by Bongo township and nearby villages of 200 studied children with 50 each from the various zones
| Characteristics | Bongo town-ship | Nearby villages | P-value | ||
| Zone | Zone | Zone | Zone | ||
| A (%) | B (%) | C (%) | D (%) | ||
| Sex | 0.477 | ||||
| Male | 50 | 60 | 48 | 60 | |
| Female | 50 | 40 | 52 | 40 | |
| Age group (years) | 0.197 | ||||
| 7–10 | 0 | 14 | 6 | 4 | |
| 11–14 | 31 | 39 | 42 | 38 | |
| 15–18 | 69 | 47 | 52 | 58 | |
| Educational level | 0.127 | ||||
| Primary | 23 | 54 | 37 | 52 | |
| Junior High Sch. | 77 | 43 | 63 | 48 | |
| Senior High Sch. | 0 | 3 | 0 | 0 | |
|
Source of drinking water |
0.176 | ||||
| Pipe | 12 | 1 | 9 | 4 | |
| Well | 15 | 13 | 19 | 13 | |
| River | 0 | 19 | 18 | 17 | |
| Bole holes | 73 | 67 | 54 | 67 | |
| Oral health care | 0.101 | ||||
| Clean teeth once daily |
19 | 49 | 33 | 46 | |
| Clean teeth twice daily |
81 | 50 | 67 | 52 | |
| Clean teeth occasionally | 0 | 1 | 0 | 2 | |
| Oral health product | 0.179 | ||||
| Close-up | 12 | 28 | 22 | 40 | |
| Pepsodent | 54 | 44 | 57 | 42 | |
| Anitadent | 15 | 11 | 13 | 4 | |
| Chewing sticks | 19 | 17 | 7 | 15 | |
|
Presence of dental flourosis |
58 | 67 | 13 | 4 | 0.001 |
|
Fluoride ion concentration (ppm) |
1.86 | 2.36 | 1.00 | 0.95 | 0.001 |
| Mean ± SD | ±0.06 | ±0.10 | ±0.11 | ±0.05 | |