Effect of a Multistage Educational Skill-Based Program on Nurse’s Stress and Anxiety in the Intensive Care Setting: A Randomized Controlled Trial

Table 4

Comparisons between trial and control groups in terms of trait anxiety at baseline (time 1), 6 months (time 2), 15 months (time 3), and 21 months (time 4) after the intervention.

Time	Time 1	Time 2	Time 3	Time 4	Between-group comparison (treatments)	Within-group comparison (time)	Interaction between time and treatments
Group	M (SD)	M (SD)	M (SD)	M (SD)
Control	55.35 (4.91)	52.68 (4.69)	53.85 (4.02)	57.85 (4.03)	0.233 NS	0.670 NS	0.769 NS
Inter. 1	54.3 (4.81)	53.13 (4.07)	52.3 (4.64)	56.3 (4.64)
Inter. 2	55.23 (4.16)	54.65 (3.87)	52.33 (4.40)	56.33 (4.40)
Inter. 3	55.38 (4.48)	53.78 (4.25)	54.1 (3.47)	58.1 (3.47)

M: mean; SD: standard deviation; NS: nonsignificant; inter.: intervention.