Females

Males

Mentally healthy group

Mentally unhealthy group

Mentally healthy group

Mentally unhealthy group

N = 599

%

N = 261

%

P value

N = 1225

%

N = 364

%

P value

Age (years)

20 - 39

181

30.2

94

36.0

0.165

272

22.2

89

24.5

0.583

40 - 49

245

40.9

91

34.9

392

32.0

118

32.4

≥50

173

28.9

76

29.1

561

45.8

157

43.1

School type

Junior high school

346

57.8

133

51.0

0.076

525

42.9

131

36.0

0.023

Senior high school

253

42.2

128

49.0

700

57.1

233

64.0

Working period (years)

<5

44

7.3

39

14.9

0.014

76

6.2

27

7.4

0.791

5 - 9

68

11.4

31

11.9

85

6.9

25

6.9

10 - 19

174

29.0

66

25.3

279

22.8

85

23.4

20 - 29

218

36.4

86

33.0

439

35.8

135

37.1

≥30

95

15.9

39

14.9

346

28.2

92

25.3

Position

Principals Vice-principals

9

1.5

3

1.1

0.759a

176

14.4

38

10.4

0.066

General teachers

519

11.9

35

13.4

1049

85.6

326

89.6

Nursing teachers

71

86.6

223

85.4

0

0.0

0

0.0

GHQ-12 score

Mean ± Standard deviation

0.92

±1.03

6.68

±2.43

0.79

±0.97

6.89

±2.52