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Table 2 The pretest and posttest mean anxiety, stress, and depression scores in the patients scheduled for coronary angiography in short text messaging, DVD, and control groups

From: Efficacy of education delivery through multimedia and text messaging on the psychological parameters of patients scheduled for coronary angiography: a single-blind randomized controlled clinical trial

Variables Time of evaluation SMSa (n = 40) DVDb (n = 40) Control (n = 40) Pretest** P-value Posttest** P-value
Anxiety Pretest 8.35 ± 7.91 7.12 ± 8.20 7.15 ± 6.15 0.70  < 0.001***
  Posttest 3.45 ± 2.61 2.50 ± 0.00 2.42 ± 1.90   
  P-value*  < 0.001 0.001  < 0.001   
Stress Pretest 7.77 ± 4.50 7.62 ± 3.02 6.22 ± 3.97 0.14  < 0.001***
  Posttest 3.27 ± 3.70 4.07 ± 2.04 7.55 ± 4.46   
  P-value  < 0.001  < 0.001 0.13   
Depression Pretest 5.90 ± 4.96 4.87 ± 5.35 6.35 ± 5.59 0.44  < 0.001***
  Posttest 5.10 ± 5.36 3.55 ± 4.73 5.85 ± 4.52   
  P-value  < 0.001  < 0.001 0.15   
  1. Tukey HSD was used. According to the post hoc test, the posttest depression domain score of the control group significantly differed with that of the text messaging (P = 0.019) and DVD (P < 0.001) groups. Such significant posttest differences between the control group and the text messaging and DVD intervention groups were also seen in the anxiety (P = 0.071 and P = 0.006, respectively) and stress (P < 0.001 and P < 0.001, respectively) domains
  2. *Paired t-test
  3. **ANOVA test
  4. ***For the post hoc test
  5. aShort message service
  6. bMultimedia content stored on a DVD