Table 3. Background information of study cohort consisting of orthodontic patients.

Variable
Median age (25th and 75th percentiles)	21 years (15–29 years)
Sex (proportion)
Female	35 (76.1%)
Male	11 (23.9%)
Where in treatment
Pre-treatment	5 (10.9%)
In active treatment	28 (60.9%)
In retention	11 (23.9%)
Other	2 (4.4%)
Types of treatment
Before treatment	1 (2.2%)
Fixed appliance	36 (78.3%)
Aligner	3 (6.5%)
Functional appliance	2 (4.3%)
Other	4 (8.7%)