Table 2 Frequency distribution of qualitative demographic variables in the case and control groups
Group | Case | Control | p–v | |||
|---|---|---|---|---|---|---|
Variable | ||||||
Number | % | Number | % | |||
Father’s education | Primary school and Junior high school | 7 | 18.4 | 9 | 20.5 | 0.965 |
High school diploma and associate degree | 19 | 50.00 | 22 | 50.00 | ||
Bachelor’s degree and higher | 12 | 31.6 | 13 | 19.5 | ||
Mother’s education | Primary school and Junior high school | 6 | 15.8 | 11 | 23.3 | 0.458 |
High school diploma and associate degree | 22 | 57.9 | 26 | 60.5 | ||
Bachelor’s degree and higher | 10 | 26.3 | 7 | 16.3 | ||
Birth Rank | First | 15 | 39.5 | 26 | 59.1 | 0.207 |
Second | 15 | 39.5 | 12 | 17.3 | ||
Third or higher | 8 | 21.05 | 6 | 13.6 | ||
Gender | Girl | 22 | 57.9 | 20 | 45.5 | 0.184 |
Boy | 16 | 42.1 | 24 | 54.5 | ||