Table 4: Mean scores ± SD of GHQ-28 health subscales. Independent samples -test demonstrating differences between the two categories of education.

GHQ-28 subscales value
Years of education
(<9)
± SD
Years of education
(>9)
± SD

Somatic symptoms1.81 ± 0.551.74 ± 0.54NS**
Anxiety/insomnia1.82 ± 0.691.54 ± 0.54.01*
Social dysfunction2.30 ± 0.492.20 ± 0.43NS
Severe depression1.57 ± 0.791.29 ± 0.50.01*

Total score1.88 ± 0.531.70 ± 0.41.03*

* ; .
**NS: not significant.