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Table 2 Comparison of the mean score of anxiety and its dimensions between two intervention and control groups before and after the intervention

From: The effect of the Yara smartphone application on anxiety, sleep quality, and suicidal thoughts in patients with major depressive disorder in Iran: a randomized controlled trial

Variable

Time

Intervention group

Control group

Mean difference Control intervention

Independent t -test

Mean±SDc

Mean±SD

State anxiety

Pre-Interv. a

59.38±4.29

59.69±2.98

- 0.313

t = - 0.339

df = 62

p = 0.736

Post- Interv. b

39.66±3.27

60.63±3.07

- 20.969

t = 26.466

df = 62

p < 0.001

Trait anxiety

Pre-Interv.

60.06±3.89

59.41±3.93

0.656

t = 0.671

df = 62

p = 0.504

Post- Interv.

40.41±3.87

60.94±4.35

- 20.531

t = - 19.960

df = 62

p < 0.001

Total anxiety

Pre-Interv.

119.44±5.62

119.09±4.61

0.344

t = 0.268

df = 62

p = 0.790

Post- Interv.

80.06±5.59

121.56±5.33

- 41.500

t = 30.375

df = 62

p < 0.001

  1. aPre-interv Pre-intervention
  2. bPost-interv Post intervention
  3. cSD Standard deviation