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Table 3 Group comparisons in the status of PSST, HADS, PSS-14, SDS, and RPWS before and after intervention (n = 100)

From: Effectiveness of computer-based stress inoculation training (SIT) counseling approach on anxiety, depression, and stress of students with premenstrual syndrome

Measures

study group (n = 100)

Intervention, Mean (SD)

Within- group

Between- group

Mean (SD)

T0†

Mean (SD)

T1††

Mean (SD)

T2†††

Mean (SD)

T3††††

P- Value†

Mean diff

(CI 95%)

T0-T1

Mean diff

(CI 95%)

T0-T2

Mean diff

(CI 95%)

T0-T3

Eta effect size

Mean diff

(CI 95%)

T0-T1

Mean diff

(CI 95%)

T0-T2

Mean diff

(CI 95%)

T0-T3

Eta effect size

Depression

Intervention

Control

10.89 (2.93)

10.66 (3.11)

5.65 (2.45)

11.20 (1.57)

6.02 (3.19)

11.04 (1.22)

6.21 (3.07)

10.91 (1.47)

< 0.001

5.23 (4.20_6.27)

− 0.533 (-1.31_.252)

4.86 (3.52_6.21)

− 0.377 (-1.36_.606)

4.67 (3.19_6.15)

− 0.244 (-1.13_.648)

0.19

5.77 (4.48_7.06)

5.24 (3.59_6.89)

4.91 (3.20_6.63)

0.62

Anxiety

Intervention

Control

11.39 (2.54)

10.84 (2.45)

6.45 (2.20)

11.24 (1.43)

6.73 (2.64)

11.33 (1.47)

6.65 (2.79)

11.48 (2.01)

< 0.001

4.93 (4.02_5.84)

− 0.400 (-1.17_.375)

4.65 (3.69_5.60)

− 0.488 (-1.28_.302)

4.73 (3.62_5.84)

− 0.644 (-1.54_.257)

0.23

5.33 (4.15_6.51)

5.14 (3.91_6.36)

5.38 (3.96_6.79)

0.59

PSST*

Intervention

Control

36.26 (7.65)

33.75 (6.40)

20.3 (6.79)

33.13 (5.3)

21.02 (7.20)

33.44 (5.48)

18.21 (6.15)

32.84 (5.72)

< 0.001

15.86 (12.98_18.75)

0.622 (-1.08_2.32)

15.23 (12.62_17.85)

0.311 (-1.47_2.09)

18.04 (15.60_20.48)

0.911 (-1.21_3.03)

0.42

15.24 (11.92_18.57)

14.92 (11.78_18.06)

17.13 (13.93_20.32)

0.51

PSS-14**

Intervention

Control

29.02 (7.89)

27.33 (5.68)

24.69 (5.54)

27.35 (2.83)

25.04 (5.59)

28.02 (2.64)

25.8 (4.97)

28.22 (3.13)

< 0.001

4.32 (1.71_6.93)

− 0.022 (-1.70_1.65)

3.97 (1.47_6.47)

− 0.689 (-2.48_1.10)

3.15 (.519_5.78)

− 0.888 (-2.73_0.953)

0.04

4.34 (1.27_7.42)

4.66 (1.62_7.71)

4.04 (.858_7.22)

0.05

SDS***

Intervention

Control

15.0 (5.46)

14.71 (4.83)

7.71 (3.28)

15.88 (3.41)

7.28 (3.24)

15.0 (3.04)

7.21 (3.94)

15.66 (3.69)

< 0.001

7.28 (5.82_8.74)

-1.17 (-2.17_-0.182)

7.71 (6.11_9.31)

− 0.289 (-1.49_.913)

7.78 (5.98_9.57)

− 0.956 (-2.09_0.181)

0.27

8.46 (6.71_10.20)

8.00 (6.02_9.98)

8.73 (6.63_10.84)

0.49

RPWS****

Intervention

Control

67.76 (7.16)

68.57 (6.99)

70.71 (5.74)

68.84 (7.04)

70.28 (5.23)

69.53 (6.84)

70.13 (6.93)

70.44 (6.46)

0.152

-2.95 (-4.94_-0.967)

− 0.266 (-1.54_1.01)

-2.52 (-4.82_-0.220)

− 0.955(-2.31_.4001)

-2.36 (-4.86_-0.126)

-1.86 (-3.33_-0.398)

0.05

-2.68 (-5.03_-0.346)

-1.56 (-4.21_1.08)

− 0.502 (-3.37_2.36)

0.01

  1. *Premenstrual symptoms screening tools
  2. **Perceived Stress Scale
  3. ***Sheehan Disability Scale
  4. ****Riff’s Psychological well-being scale
  5. † Before intervention
  6. †† Immediately after the intervention
  7. ††† First menstrual cycle
  8. †††† Second menstrual cycle