Table 1 Frequency distribution of sociodemographic and clinical characteristics in a total sample (n = 906) and by ethnicity
Variable | Total % (n) | Maasai % (n) | Non-Maasai % (n) | *P-value |
|---|---|---|---|---|
District of residence | ||||
Monduli | 52.9 (479) | 58.0 (418) | 33.0 (61) | |
Longido | 47.1 (427) | 42.0 (303) | 67.0 (124) | < 0.001 |
Sex | ||||
Male | 43.9 (398) | 43.1 (311) | 47.0 (87) | |
Female | 56.1 (508) | 56.9 (410) | 53.0 (98) | 0.341 |
Age | ||||
12–14 years | 87.3 (777) | 86.5 (610) | 90.3 (167) | |
15–17 years | 12.7 (113) | 13.5 (95) | 9.7 (18) | 0.173 |
Wealth index | ||||
Poorest | 48.8 (438) | 57.3 (408) | 16.2 (30) | |
Least poor | 51.2 (459) | 42.7 (304) | 83.8 (155) | < 0.001 |
Mother’s education | ||||
Low (≤ primary school) | 861 (95.0) | 96.8 (698) | 88.1 (163) | |
High (≥ secondary school) | 45 (5.0) | 3.2 (23) | 11.9 (22) | < 0.001 |
Oral hygiene status | ||||
Poor | 65.6 (594) | 68.5 (508) | 54.1 (100) | |
Good | 34.4 (312) | 31.5 (213) | 45.9 (85) | < 0.001 |
Gingival bleeding | ||||
No | 59.1 (535) | 55.6 (401) | 72.4 (134) | |
Yes | 40.9 (371) | 44.4 (320) | 27.6 (51) | < 0.001 |
DMFT | ||||
DMFT = 0 | 91.2 (826) | 92.6 (668) | 85.4 (158) | |
DMFT > 0 | 8.8 (80) | 7.4 (53) | 14.6 (27) | 0.002 |
Dental fluorosis | ||||
TF score 0–4 | 51.4 (466) | 47.9 (345) | 65.4 (121) | |
TF score 5–9 | 48.6 (440) | 52.1 (376) | 34.6 (64) | < 0.001 |
Dental erosion | ||||
Grade 0 | 69.8 (632) | 73.2 (528) | 56.2 (104) | |
Grade > 0 | 30.2 (274) | 26.8 (193) | 43.8 (81) | < 0.001 |
Tooth wear | ||||
Grade 0 | 54.0 (489) | 55.1 (397) | 49.7 (92) | |
Grade > 0 | 46.0 (417) | 44.9 (324) | 50.3 (93) | 0.194 |
TMD pain | ||||
2Q/TMD = 0 | 88.2 (799) | 88.8 (640) | 85.9 (159) | |
2Q/TMD > 0 | 11.8 (107) | 11.2 (81) | 14.1 (26) | 0.289 |