Table 2. Baseline characteristics and homogeneity test between experimental and control groups (N = 67)
Variable   Experimental Group (n=32) Control Group (n=35) χ2(df, N=67) p
Age (years) 20 - 23 20 21 .63(2) .429
24 - 27 12 13
>28 0 1
Work Experience (months) 1 – 12 24 17 5.53(1) .063
13 – 23 8 18
Actual Number of CPRs in the Past Year 0 16 13 4.77(3) .189
1 – 5 10 19
6 – 10 4 1
>11 2 2
Gender Male 10 9 .25(1) .616
Female 22 26
Work Unit Medical ICU 12 14 .08(2) .960
Surgical ICU 12 16
Emergency Room 8 5
Education Technology College 14 14 .11(2) .947
University 17 20
Master’s degree 1 1
ACLS Certification Yes 28 30 .20(1) .830
No 4 5

Note: Data are presented as number of participants (n). Chi-square tests of independence were used to assess group homogeneity. p < .05 indicates statistical significance.

 Int J Med Educ. 2025; 16:138-144; doi: 10.5116/ijme.68a2.dc6f