Table 2 Comparison of subjective evaluation of work competency among the JFCT members

Adapted

Somewhat adapted

Somewhat unadapted

Unadapted

χ ²

p value

0.0 (0)

42.9 (6)

50.0 (7)

7.1 (1)

3.869

0.276

12.5 (2)

56.3 (9)

31.3 (5)

0.0 (0)

14.3 (2)

35.7 (5)

42.9 (6)

7.1 (1)

0.0 (0)

83.3 (5)

16.7 (1)

0.0 (0)

Very easy

Easy

Moderate

Hard

Very hard

Day shift

SWSD+

0.0 (0)

30.8 (4)

30.8 (4)

38.5 (5)

0.0 (0)

1.27

0.736

SWSD−

0.0 (0)

6.3 (1)

68.8 (11)

25.0 (4)

0.0 (0)

ONEW

8.3 (1)

8.3 (1)

58.3 (7)

25.0 (3)

0.0 (0)

DW

16.7 (1)

16.7 (1)

50.0 (3)

16.7 (1)

0.0 (0)

Evening shift

SWSD+

0.0 (0)

0.0 (0)

42.9 (6)

42.9 (6)

14.3 (2)

0.354

0.838

SWSD−

0.0 (0)

6.3 (1)

31.3 (5)

62.5 (10)

0.0 (0)

ONEW

0.0 (0)

7.7 (1)

46.2 (6)

30.8 (4)

15.4 (2)

Night shift

SWSD+^a

0.0 (0)

0.0 (0)

7.1 (1)

28.6 (4)

64.3 (9)

7.533

0.027

SWSD−

0.0 (0)

6.3 (1)

6.3 (1)

75.0 (12)

12.5 (2)

ONEW

9.1 (1)

0.0 (0)

9.1 (1)

54.5 (6)

27.3 (3)

Very low

Low

Moderate

High

Very high

Day shift

SWSD+

8.3 (1)

25.0 (3)

66.7(8)

0.0(0)

0.0 (0)

3.161

0.367

SWSD−

0.0 (0)

25.0 (4)

62.5 (10)

12.5 (4)

0.0 (0)

ONEW

25.0 (3)

16.7 (2)

58.3 (7)

0.0 (0)

0.0 (0)

DW

0.0 (0)

16.7 (1)

83.3 (5)

0.0 (0)

0.0 (0)

Evening shift

SWSD+

0.0 (0)

14.3 (2)

64.3 (9)

21.4 (3)

0.0 (0)

0.315

0.854

SWSD−

0.0 (0)

12.5 (2)

56.3 (9)

31.3 (10)

0.0 (0)

ONEW

7.7 (1)

15.4 (2)

46.2 (6)

30.8 (4)

0.0 (0)

Night shift

SWSD+

0.0 (0)

0.0 (0)

14.3 (2)

50.0 (7)

35.7 (5)

4.456

0.108

SWSD−

0.0 (0)

0.0 (0)

31.3 (5)

62.5 (12)

6.3 (1)

ONEW

9.1 (1)

9.1 (1)

27.3 (3)

36.4 (4)

18.2 (2)