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. 2017 Aug 30;15:173. doi: 10.1186/s12955-017-0746-1

Table 3.

Bivariate analysis and multiple regression model among independent variables and oral impact on the quality of life in adolescents from São Paulo (n = 5402)

Variable ORa (IC95%) p a value ORB (IC95%) p b value
PSVI Part 1
Low PSVI 1 < 0.01
Middle PSVI 1.21 (1.21; 1.21) < 0.01
High PSVI 2.50 (2.49; 2.51) < 0.01
Part 2
Gender Female 2.05 (2.04, 2.05) < 0.01 1.78 (1.59; 2.00) < 0.01
Male 1 < 0.01 1
Skin Color White 1 < 0.01 1 < 0.01
Black 1.51 (1.51; 1.52) < 0.01 1.56 (1.25; 1.93) < 0.01
Brown 1.32 (1.32; 1.32) < 0.01 1.66 (1.47; 1.88)
Age group 15–19 1.09 (1.09; 109) < 0.01 1.04 (1, 1.08)
Part 3
Family income Household income (R$)
Up to 1.500 1.28 (1.28; 1.29) < 0.001 1.28 (1.28; 1.29) < 0.001
Over 1.500 1 1
Part 4
Clinical factors Untreated caries lesions
None 1 < 0.01 1
At least one decayed tooth 2.11 (1.89; 2.36) < 0.01 1.42 (1.25; 1.61) < 0.01
Tooth loss
None 1 < 0.01 1
At least one tooth loss 1.87 (1.59; 2.19) < 0.01 1.49 (1.25; 1.78) < 0.01
Toothache
Yes 5.47 (4.80; 6.24) < 0.01 4.87 (4.25; 5.59) < 0.01
No 1 < 0.01 1
Maxillary Overjet
Normal 1 1
Moderate 1.25 (1.11; 1.40) < 0.01 1.23 (1.09; 1.40) 0.01
Severe 1.80 (1.28; 2.54) < 0.01 1.68 (1.15; 2.45) 0.006
Cross Bite
Absence 1 < 0.01
Presence 0.94 (0.74; 1.20) 0.667
Open Bite
Mild 1 1
Moderate 1.34 (1.07; 1.68) 0.01 1.14 (0.89; 1.47) 0.275
Severe 1.28 (0.84; 1.96) 0.239 1.27 (0.80; 2.03) 0.302
Presence of bleeding
Yes 2.09 (1.86; 2.35) < 0.01 1.45 (1.25; 1.68) < 0.01
No 1 1
Presence of calculus
Yes 2.05 (1.82; 2.31) < 0.01 1.55 (1,34; 1,80) < 0.01
No 1 1

PSVI Paulista social vulnerability index

OR a crude odds ratio, OR B adjusted odds ratio

p a value in the Wald test; p b value higher than 0.2 in crude or adjusted analysis