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. 2023 Apr 27;13(3):596–609. doi: 10.3390/clinpract13030054

Table 3.

The responses of students’ demographics in correlation with DASS21 scores (t-test).

Mean (±Standard Deviation) Stress Anxiety Depression
Age range 18–25 8.19 (±5.42) 5.05 (±4.80) 7.18 (±5.83)
≥26 6.88 (±5.46) 3.76 (±4.66) 5.48 (±5.79)
t-test (95% CI) 1.31 (0.66 to 1.95) ** 1.30 (0.73 to 1.87) ** 1.71 (1.02 to 2.40) **
Gender Male 6.47 (±5.28) 3.70 (±4.29) 5.91 (±5.65)
Female 8.57 (±5.41) 5.25 (±4.95) 7.19 (±5.91)
t-test (95% CI) 2.10 (1.52 to 2.68) ** 1.55 (1.04 to 2.06) ** 1.28 (0.65 to 1.91) **
Marital status Unmarried 5.90 (±5.15) 2.80 (±3.93) 3.96 (±4.71)
Other 8.07 (±5.45) 4.93 (±4.84) 7.05 (±5.89)
t-test (95% CI) 2.17 (1.20 to 3.13) ** 2.13 (1.28 to 2.97) ** 3.10 (2.07 to 4.13) **
Cohabitation status Alone 8.18 (±5.48) 4.99 (±4.77) 7.14 (±6.00)
Not Alone 7.74 (±5.45) 4.62 (±4.81) 6.61 (±5.80)
t-test (95% CI) 0.43 (−0.17 to 1.04) 0.37 (−0.16 to 0.90) 0.52 (−0.12 to 1.17)
Vaccinated Yes 8.12 (±5.49) 4.89 (±4.86) 6.96 (±5.95)
No 6.65 (±5.17) 3.99 (±4.43) 5.82 (±5.29)
t-test (95% CI) 1.47 (0.73 to 2.21) * 0.90 (0.24 to 1.55) * 1.14 (0.35 to 1.94) *
Students BSc/MD 7.99 (±5.42) 4.92 (±4.81) 6.93 (±5.83)
MSc/PhD 7.63 (±5.57) 4.24 (±4.76) 6.37 (±5.92)
t-test (95% CI) 0.36 (−0.28 to 1.00) 0.68 (0.12 to 1.24) * 0.56 (−0.12 to 1.24)
Worry/Fear for impending lockdown Much/Very Much 9.65 (±6.00) 6.67 (±5.67) 8.39 (±6.52)
Not at all/A Little 7.22 (±5.22) 4.24(±4.42) 6.36 (±5.62)
t-test (95% CI) 2.23 (1.55 to 2.91) ** 2.43 (1.84 to 3.02) * 2.03 (1.29 to 2.76)
Previous psychological or psychiatric treatment Yes 10.21 (±5.67) 6.73 (±5.32) 9.22 (±6.34)
No 7.17 (±5.19) 4.13 (±4.46) 6.03 (±5.50)
t-test (95% CI) 3.04 (2.40 to 3.68) ** 2.60 (2.04 to 3.16) ** 3.19 (2.50 to 3.87) **
Current psychological or psychiatric treatment Yes 11.63 (±5.64) 7.88 (±5.59) 10.82 (±6.59)
No 7.39 (±5.25) 4.33 (±4.54) 6.25 (±5.56)
t-test (95% CI) 4.23 (3.39 to 5.08) ** 3.55 (2.80 to 4.30) ** 4.57 (3.66 to 5.48) **
Current intake of psychoactive medication Yes 13.37 (±5.04) 9.95 (±5.54) 13.84 (±5.92)
No 7.66 (±5.37) 4.74 (±4.80) 6.77 (±5.82)
t-test (95% CI) 5.71 (4.29 to 7.13) ** 5.42 (4.17 to 6.66) ** 7.35 (5.84 to 8.86) **

Statistical significance levels: * p < 0.05, ** p < 0.001. CI: confidence interval, t-test.