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Table 5 Multiple linear regression model identifying the variables that influenced the GOHAI score

From: Socio-demographic factors, dental status and health-related behaviors associated with geriatric oral health-related quality of life in Southwestern China

Variable Coefficient B 95% CI Standard coefficient p-value
Age 0.880 −0.079, 1.839 0.057 0.072
Gender − 1.491 − 2.246, − 0.537 −0.098 0.002
Self-rated oral health (reference group: Good or very good)
 Fair −1.599 −2.874, −0.325 −0.103 0.014
 Poor or very poor − 6.622 − 7.944, − 5.300 −0.415 < 0.001
DMFT (reference group: 0–9)
  ≥ 20 −3.227 −4.541, − 2.014 −0.181 < 0.001
Self-rated general health (reference group: Good or very good)
 Fair −1.960 − 3.316, − 0.804 −0.128 0.001
 Poor or very poor −3.049 − 4.407, − 1.692 −0.171 < 0.001
Number of natural teeth (reference group: ≥25)
 0 3.547 0.869, 6.226 0.092 0.010
Number of teeth with root caries (reference group: 0)
  ≥ 2 −1.171 − 2.233, −0.208 −0.072 0.031
 Intercept 54.810 52.550, 57.069 < 0.001