Table 1 demographic characteristics of the subjects in the study
Variable | Frequency | Percentage |
|---|---|---|
Gender | ||
 Boy | 244 | 51 |
 Girl | 231 | 49 |
Age | ||
 12 | 42 | 8.8 |
 13 | 60 | 12.6 |
 14 | 61 | 12.8 |
 15 | 75 | 15.7 |
 16 | 67 | 14.1 |
 17 | 86 | 18.1 |
 18 | 84 | 17.6 |
Education level | ||
 Elementary | 47 | 9.89 |
 First secondary | 202 | 42.52 |
 Senior secondary | 226 | 47.57 |
Mother’s education | ||
 less than a diploma | 82 | 17.26 |
 diploma | 150 | 31.57 |
 university | 243 | 51.15 |
Father’s education | ||
 less than a diploma | 90 | 18.94 |
 diploma | 139 | 29.26 |
 university | 246 | 51.78 |
Number of family members | ||
 1 | 174 | 36.63 |
 2 | 167 | 35.15 |
 3 | 93 | 19.57 |
 4 | 41 | 8.63 |