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Table 3 Moderation of the association between periodontal health (CPI) and dental fear (HAQ) by psychological attachment avoidance 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  − 0.43  − 0.39  − 2.61 1.74
RQ attachment avoidance  − 1.24  − 1.19  − 3.31 0.82
Group (psoriasis yes/no)  − 4.06  − 1.01  − 12.01 3.90
CPI × RQ attachment avoidance 0.15 0.45  − 0.50 0.79
CPI × group 0.93 0.63  − 2.00 3.87
RQ attachment avoidance × group 3.56 2.65**  − 0.91 6.21
CPI × group × RQ attachment avoidance  − 1.18  − 2.46*  − 2.12 − 0.23
Covariates
RQ attachment anxiety 0.21 1.06  − 0.18 0.59
Age  − 0.21  − 3.34**  − 0.34  − 0.09
Smoking 1.99 2.28* 0.27 3.72
Sex  − 5.25  − 3.85***  − 7.94  − 2.55
Levels of oral hygiene  − 0.02  − 0.01  − 3.14 3.10
Utilization style  − 4.56  − 2.52*  − 8.12  − 0.99
DMFT score 0.25 1.78’  − 0.03 0.53
  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