| Value | Category | 
|---|---|
| 1 | no available school | 
| 2 | expensive | 
| 3 | too far | 
| 4 | had to help at home | 
| 5 | had to work | 
| 6 | for family's work | 
| 7 | passed school age | 
| 8 | male teachers | 
| 9 | parents | 
| 10 | Did not want to | 
| 11 | traditions | 
| 12 | do not know | 
| 13 | Other | 
| 14 | Disability | 
| 15 | Less than school age | 
| 16 | no birth certificate | 
| 17 | family situation |