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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