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Table 2 Moderation of the association between periodontal health (CPI) and dental fear (HAQ) by psychological attachment anxiety in individuals with versus without psoriasis

From: The impact of psychological attachment on the relationship between periodontal health and dental fear in patients with versus without psoriasis: a questionnaire-based, cross-sectional study

Variable Coefficient t LLCI ULCI
CPI  − 2.23  − 1.39  − 5.39 0.93
RQ attachment anxiety 1.43 1.33  − 0.69 3.55
Group (psoriasis yes/no)  − 17.60  − 2.90**  − 29.60  − 5.60
CPI × RQ attachment anxiety  − 0.46  − 1.26  − 1.18 0.26
CPI × group 5.97 2.59* 1.43 10.52
RQ attachment anxiety × group  − 2.36  − 1.88’  − 4.84 0.12
CPI × group × RQ attachment anxiety 0.91 1.98* 0.003 1.81
Covariates
RQ attachment avoidance  − 0.48  − 2.17*  − 0.91  − 0.04
Age  − 0.21  − 3.29**  − 0.34  − 0.08
Smoking 1.71 1.91’  − 0.05 3.47
Sex  − 5.78  − 4.05***  − 8.59  − 2.97
Levels of oral hygiene  − 0.32  − 0.20  − 0.52 2.89
Utilization style  − 0.86  − 2.12*  − 7.47  − 0.26
DMFT score 0.27 1.87’  − 0.02 0.55
  1. HAQ hierarchical anxiety questionnaire, CPI community periodontal index, RQ relationship questionnaire, DMFT decayed, missing, filled teeth index, LLCI lower level of confidence interval, ULCI upper level of confidence interval
  2. ***p < 0.001; **p < 0.01; *p < 0.05; ‘p < 0.1