Table 2 The level of mental health of the participants in the three phases

GAD-7 score

6.77 ± 3.57

11.82 ± 3.56 ^a

6.15 ± 2.87 ^c

F = 162.08

η² = 0.37

Level of anxiety

χ²  = 213.33

V = 0.44

None

39 (20.7)

1 (0.5)

56 (29.8)

Mild

126 (67.0)

58 (30.9)

111 (59.0)

Moderate

8 (4.3)

87 (46.3)

17 (9.0)

Severe

15 (8.0)

42 (22.3)

4 (2.1)

PHQ-9 score

8.32 ± 4.30

14.20 ± 4.37 ^a

8.77 ± 4.31 ^c

F = 107.56

η² = 0.28

Level of depression

χ²  = 193.71

V = 0.52

None

16 (8.5)

2 (1.1)

21 (11.2)

Mild

123 (65.4)

23 (12.2)

103 (54.8)

Moderate

32 (17.0)

77 (41.0)

50 (26.6)

Moderately-severe

9 (4.8)

65 (34.6)

6 (3.2)

Severe

8 (4.3)

21 (11.2)

8 (4.3)