The perception of COVID-19 among Italian dental patients: an orthodontic point of view

Progress in Orthodontics

Table 4 Chi-square test and regression analysis for question related to the orthodontic treatment, and gender, age, and PHQ-4 (sample 486)

	Gender		Age		PHQ-4
	Χ²	OR (95% CI)	Χ²	OR (95% CI)	Χ²	OR (95% CI)
Back to the dental practice to continue the orthodontic treatment after lockdown	0.132		0.059		0.576
Think that attending the orthodontic practice may increase the risk of infection	0.475		0.059		0.004	1.83 (1.21-2.75)
Consider that not having had orthodontic check-ups during lockdown created discomfort	0.761		0.096		0.011	1.69 (1.12-2.54)

Χ² P value of the chi-squared test, OR odds ratio of the logistic regression model, 95% CI 95% confidence interval of the odds ratio