Criteria
|
Beta coefficient
|
SE
|
Sig z
|
OR
|
---|
Model 1
|
1 + RSD
|
1.35
|
0.19
|
0.000
|
3.87 (2.65, 5.65)
|
I have sore gums
|
−0.113
|
0.529
|
0.848
|
0.89 (0.27, 2.85)
|
I need a scale and clean
|
−1.156
|
0.086
|
0.000
|
0.31 (0.18, 0.53)
|
I have mouth ulcers
|
−0.013
|
1.067
|
0.990
|
0.98 (0.11,8.22)
|
I need gum treatment
|
0.412
|
1.182
|
0.598
|
1.51 (0.32,7.00)
|
I have a broken denture
|
1.001
|
1.540
|
0.077
|
2.72 (0.89,8.25)
|
My denture needs to be fixed
|
−0.121
|
0.257
|
0.676
|
0.88 (0.50,1.56)
|
I have Halitosis (bad breath)
|
−0.119
|
0.944
|
0.911
|
0.88 (0.11,7.14)
|
Model 2
|
1 + RSD
|
1.302
|
0.827
|
0.000
|
3.67 (2.36,5.71)
|
I have a broken filling
|
−0.234
|
0.217
|
0.393
|
0.79 (0.46,1.35)
|
I need a filling
|
0.141
|
0.276
|
0.555
|
1.15 (0.72,1.84)
|
I have bleeding gums
|
−0.495
|
0.546
|
0.581
|
0.60 (0.10,3.53)
|
I have a loose tooth
|
0.291
|
0.989
|
0.693
|
1.33 (0.31,5.69)
|
I have a broken tooth
|
−0.049
|
0.270
|
0.862
|
0.95 (0.54, 1.66)
|
I need an extraction
|
1.370
|
1.854
|
0.004
|
3.93 (1.56, 9.91)
|
I have a chipped tooth
|
−0.263
|
0.379
|
0.593
|
0.76 (0.29,2.02)
|
- Sensitivity 81.5%, Specificity 63.4%, Positive Predictive Value 87.2%.
- Negative Predictive Value 52.8% (95% CI,) Cut off set at 0.7.
- Criteria of having a lost denture, a clicking jaw and a perceived need for a crown and bridge have been dropped from the model due to colllinearity.