Table 3.

Comparison of the changes in the means scores of anxiety, stress, and depression in the patients scheduled for coronary angiography in the short text messaging, DVD, and control groups

Groups	Control (n = 40)		SMSa (n = 40)		DVDb (n = 40)
	Mean difference	P-value	Mean difference	P-value	Mean difference	P-value
Anxiety
SMSa	− 1.02	0.07	–	–	0.42	0.62
DVDb	− 1.45	0.006	− 0.42	0.62	–
Stress
SMSa	− 4.27	< 0.001	–	–	− 0.80	0.57
DVDb	− 3.47	< 0.001	0.80	0.57	–	–
Depression
SMSa	0.75	0.77	–	–	1.55	0.33
DVDb	− 2.3	0.09	− 1.55	0.33	–	–

^aShort message service

^bMultimedia content stored on a DVD