Table 3.
Baseline characteristics of study participants stratified by sex
| Variable | Males
|
Females
|
||||
|---|---|---|---|---|---|---|
| Fixed appliance n=74 n (%) |
Palatal expander n=81 n (%) |
P-value | Fixed appliance n=146 n (%) |
Palatal expander n=98 n (%) |
P-value | |
| Age, mean (SD), years | 19.78 (5.03) | 17.72 (4.94) | 0.011 | 19.18 (4.92) | 18.23 (5.44) | 0.161 |
| Nationality | 0.021 | |||||
| Saudi | 44 (52.38) | 40 (47.62) | 0.209 | 71 (68.27) | 33 (31.73) | |
| Non-Saudi | 30 (42.25) | 41 (57.75) | 75 (53.57) | 65 (46.43) | ||
| Education level | 0.384 | |||||
| High school and below | 49 (43.75) | 63 (56.25) | 0.108 | 95 (57.93) | 69 (42.07) | |
| Higher than high school | 25 (58.14) | 18 (41.86) | 51 (63.75) | 29 (36.25) | ||
Abbreviation: SD, standard deviation.