Effect of pretreatment education on anxiety in patients undergoing radiation therapy for the first time: A randomized clinical trial

Figures & data

Table 1. Demographic characteristics of the study groups

Variable	Experimental group (n= 33)	Control group (n= 33)	X^2	p-value
Age, years (Mean ± SD)	52.66±14.6	50.51±13.8	-1.115*	0.265*
Males (%)	17 (51.5)	24 (72.7)	3.155	0.076
Education level (%) Primary or lower Junior high school Senior high school College and above	10 (30.3) 3 (9.1) 12 (36.4) 8 (24.2)	24 (72.7) 2 (6.1) 5 (15.2) 2 (6.1)	3.472	0.001
Marital status (%) Single Married Widowed Divorced	2 (6.1) 30 (90.9) 1 (3.0) 0 (0.0)	2 (6.1) 29 (87.9) 2 (6.1) 0 (0.0)	0.350	0.839
Economic status (%) Poor income (less than 540$) Fair income (540 $ to 1100 $) Good income (more than 540 $)	9 (27.3) 22 (66.7) 2 (6.1)	22 (66.7) 11 (33.3) 0 (0.0)	11.11	0.004
Insurance (%)	32 (97.0)	31 (93.9)	0.349	0.555
History of chemotherapy before the last 3 months Place of treatment (%) Neck Mouth Face	1 (3.0)   19 (57.6) 13 (39.4) 1 (3.0)	18 (54.5)   26 (78.8) 5 (15.2) 2 (6.1)	21.359 4.978	<0.001 0.083

Note: *Z in the Mann-Whitney U test.

Table 2. The STAI total scores at baseline and two weeks (Mean ± SD)

Anxiety score	Written material	Multimedia	p-value	t	df
At baseline	45.4 ± 2.9	46.6 ± 2.4	0.145^a	−2.2	64
Two weeks	37.9 ± 3.3	40.0 ± 3.1	0.009^a	−3.9	64
Difference	7.5 ± 3.8	6.6 ± 3.5	<0.001^b	10.7	32

Notes: ^aIndependent samples t-test; ^bPaired samples t-test.