Effects of cognitive behavioral therapy-based group intervention on burnout and anxiety symptoms in operating room nurses

Table 1 Comparison of baseline data between the two groups, n (%)¹

Item	Intervention group (n = 46)	Control group (n = 44)	Statistical value	P value
General demographic data
Age (years)	32.0 ± 5.8	31.0 ± 5.7	t = 0.862	0.391
Gender			χ2 = 0.167	0.682
Female	43 (93.5)	42 (9 5.5)
Male	3 (6.5)	2 (4.5)
Marital status			χ2 = 0.030	0.863
Married	28 (60.9)	26 (59.1)
Unmarried	18 (39.1)	18 (40.9)
Education level			χ2 = 0.001	0.975
Bachelor’s degree	45 (97.8)	43 (97.7)
Master’s degree or above	1 (2.2)	1 (2.3)
Living situation			χ2 = 0.134	0.715
Living alone	10 (21.7)	11 (25.0)
Living with family	36 (78.3)	33 (75.0)
Work-related data
Years of operating room experience (years)	9.3 ± 6.5	8.0 ± 6.1	t = 1.018	0.311
Professional title			χ2 = 0.080	0.961
Nurse	11 (23.9)	10 (22.7)
Nurse practitioner	28 (60.9)	28 (63.6)
Supervising nurse or above	7 (15.2)	6 (13.6)
Work shift type			χ2 = 0.028	0.867
Fixed day shift	9 (19.6)	8 (18.2)
Rotating shift	37 (80.4)	36 (81.8)
Average weekly working hours (hours)	40.2 ± 5.1	39.8 ± 5.3	t = 0.361	0.719
Undertaking teaching responsibilities	19 (41.3)	17 (38.6)	χ2 = 0.067	0.796
Health status
BMI (kg/m2)	21.8 ± 2.4	22.1 ± 2.6	t = -0.561	0.576
Chronic disease	6 (13.0)	5 (11.4)	χ2 = 0.059	0.808
Average daily sleep duration (hours)	6.4 ± 0.9	6.3 ± 1.0	t = 0.465	0.643
Regular exercise habits	13 (28.3)	15 (34.1)	χ2 = 0.357	0.550

¹Continuous variables with normal distribution are expressed as mean ± SD, analyzed using an independent samples t-test; categorical variables are expressed as n (%), analyzed using χ² test.

BMI: Body mass index.