Table 1.
Variable | Group 30 N = 40 | Group 40 N = 40 | Group 50 N = 40 | Group≥60 N = 40 |
Sex | ||||
Male | 21 | 17 | 25 | 20 |
Female | 19 | 23 | 15 | 20 |
Year of Education | 13.20 (0.22) | 12.42 (0.34) | 11.20 (0.33)a | 10.80 (0.30)a |
asignificant different (p < 0.05) compared to Group 30.