Table 1.
The demographic characteristics of the participants
| Demographics | FOA group | CA group | P-value (chi-squared test) |
|---|---|---|---|
| Age (years) | >0.05 | ||
| 25–30 | 48 | 44 | |
| 31–35 | 21 | 23 | |
| Sex | >0.05 | ||
| Male | 24 | 21 | |
| Female | 45 | 46 | |
| Level of education | >0.05 | ||
| Secondary school or less | 18 | 22 | |
| Tertiary | 51 | 45 | |
| Employment | >0.05 | ||
| Unemployed | 20 | 19 | |
| Employee | 49 | 48 | |
| Marital status | >0.05 | ||
| Single | 40 | 36 | |
| Married | 29 | 31 | |
| Malocclusion | >0.05 | ||
| Class I | 52 | 51 | |
| Class II | 17 | 16 | |
| Total | 69 | 67 |
Notes: CA group, participants treated with clear-aligner; and FOA group, participants treated with fixed orthodontic appliance.
Abbreviations: FOA, fixed orthodontic appliance; CA, clear-aligner.