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Table 4 Hierarchical linear regression analysis results of the variables in relation to post-treatment OHRQoL score

From: The mediating role of general self-efficacy in the association between perceived social support and oral health-related quality of life after initial periodontal therapy

Variables Block 1 (β) Block 2 (β) Block 3 (β) Block 4 (β)
Gender 0.113 0.163 0.130 0.083
Age 0.176 0.024 −0.078 −0.064
Marital status −0.184 −0.194 −0.132 −0.113
Educational level 0.156 0.055 0.079 0.082
Average monthly income −0.026 0.098 0.088 0.074
Payment type 0.173 0.137 0.092 0.091
Family history 0.121 0.140 0.120 0.137
Other chronic comorbidity −0.084 −0.067 −0.087 −0.074
Currently smoking −0.015 −0.022 −0.055 −0.069
No. of teeth (n)   −0.125 −0.085 −0.057
PD (mm)   −0.023 −0.082 −0.030
CAL (mm)   0.298 ** 0.273 ** 0.265 **
FMBS (%)   −0.209 −0.177 −0.150
PD ≥ 4 mm (%)   0.332 * 0.240 0.206
PCR (%)   −0.094 −0.028 −0.030
PSS    −0.443 ** −0.303 **
General self-efficacy     −0.221 *
F 1.272 2.627 ** 4.899 ** 5.046 **
R2 0.096 0.279 0.437 0.462
ΔR2 0.096 0.183 ** 0.158 ** 0.025 *
  1. OHRQoL oral health-related quality of life, PD probing depth, CAL Clinical attachment loss, FMBS full-mouth bleeding scores, PCR plaque control record, PSS perceived social support. Gender: women vs. men; Marital status: married/cohabitation vs. single/divorced/widowed/separated; Educational level: junior college or above vs. senior high school or under; Average monthly income: > 3000 yuan vs. ≤ 3000 yuan; Payment type: self-payment vs. medical insurance; Family history: no vs. yes; Other chronic comorbidity: no vs. yes, Currently smoking: yes vs. no
  2. *p < 0.05, **p < 0.01