Table 2.

Education features of P patients (5 years)

Education status	n	%	Valid %
Never went to school	11	2.1	2.2
1–5 years	178	34.7	35.7
6–8 years	142	27.7	28.4
9–12 years	145	28.3	29.1
Over 12 years	23	4.5	4.6
Valid in total	499	97.3	100.0
Missing data	14	2.7
Total	513	100.0

Abbreviation: P, probation.