Distribution of demographic characteristics of participants by intervention, sham, and control groups

ItemGroupp-value
Intervention (N = 34) (%)Sham (N = 32) (%)Control (N = 34) (%)
SexMale15 (44.1)22 (68.7)18 (52.9)0.127*
Female19 (55.9)10 (31.3)16 (47.1)
JobUnemployed16 (47.1)11 (34.4)16 (47.1)0.642*
Freelance job6 (17.6)7 (21.9)7 (20.6)
Employed5 (14.7)6 (18.8)8 (23.5)
Pensioner7 (20.6)8 (25.0)3 (8.8)
Marriage statusMarried29 (85.3)25 (78.1)26 (76.5)0.212*
Single3 (8.8)3 (9.4)4 (11.8)
Divorced2 (5.9)3 (9.4)0 (0.0)
Widow0 (0.0)1 (3.1)4 (11.8)
EducationIlliterate3 (8.8)7 (21.9)6 (17.6)0.387*
Primary8 (23.5)7 (21.9)4 (11.8)
Guidance1 (2.9)1 (3.1)2 (5.9)
High school12 (35.3)7 (21.9)4 (11.8)
University10 (29.4)10 (31.3)18 (52.9)
Age (Mean ± SD)52.91 ± 15.3854.62 ± 14.3756.44 ± 15.540.631**
Average time of hemodialysis per month (hours)5.03 ± 4.283.38 ± 2.144.24 ± 2.300.098**

SD: standard deviation; * chi-square; ** one-way ANOVA