Table 2.

Unadjusted regression analysis. Association between socio-demographic, clinical variables and TRMCI and association between socio-demographic, clinical variables and OHRQOL

Variable	TRMCI % (n)	p-value**	OIDP > 0 % (n)	p-value**
District of residence Monduli Longido	14.6 (70) 23.0 (98)	0.001	21.9 (105) 8.9 (38)	< 0.001
Sex Female Male	19.3 (98) 17.6 (70)	0.513	14.2 (72) 17.8 (71)	0.133
Age 12–14 years 15–17 years	17.6 (137) 23.0 (26)	0.167	15.2 (118) 22.1 (25)	0.061
Ethnicity Maasai Non-Maasai	23.2 (167) 0.5 (1)	< 0.001	14.6 (105) 20.5 (38)	0.047
Wealth index Poorest Least poor	19.9 (87) 17.4 (80)	0.349	11.9 (52) 19.4 (89)	0.002
Region of birth Arusha Others	19.4(167) 2.1 (1)	0.003	15.7 (135) 17.0 (8)	0.811
Mother’s education Low (≤ primary school) High (≥ secondary school)	19.4 (167) 2.2 (1)	0.004	15.4 (133) 22.2 (10)	0.224
Father’s education Low (≤ primary school) High (≥ secondary school)	19.8 (165) 4.2 (3)	0.001	15.2 (127) 22.2 (16)	0.118
Number of children 1–5 children 6–14 children	17.6 (78) 19.4 (90)	0.478	16.7 (130) 10.2 (13)	0.064
Gingival bleeding No Yes	16.6 (89) 21.3 (79)	0.076	14.8 (79) 17.3 (64)	0.313
DMFT DMFT = 0 DMFT > 0	18.6 (154) 17.5 (14)	0.802	13.7 (113) 37.5 (30)	< 0.001
Dental fluorosis TF score 0–4 TF score 5–9	19.5 (91) 17.5 (77)	0.432	11.4 (53) 20.5 (90)	< 0.001
Dental erosion Grade 0 Grade > 0	20.6 (130) 13.9 (38)	0.017	16.8 (106) 13.5 (37)	0.215
Tooth wear Grade 0 Grade > 0	16.8 (82) 20.6 (86)	0.137	14.9 (73) 16.8 (70)	0.445
TMD pain 2Q/TMD* = 0 2Q/TMD*> 0	17.9 (143) 23.4 (25)	0.172	12.3 (98) 42.1 (45)	< 0.001
TRMCI TRMCI = 0 TRMCI > 0			14.9 (110) 19.6 (33)	0.128
OIDP Impact No impact	23.1 (33) 17.7 (135)	0.129

*2Q/TMD Two epidemiological questions regarding TMD pain

**Pearson’s Chi-square test