TABLE 1.

General characteristics of the study participants ^a

	Placebo group (n = 25)	Intervention group (n = 25)	p b
Age (years)	43.54 ± 13.86	41.48 ± 13.77	T = 0.52; p = .60
Gender (%)
Male	53.21	48.68	Χ b  = 0.32; p = .57 c
Female	46.79	51.32
Education (%)
Elementary	6.1	5.9
Intermediate	3.4	3.6
Diploma	2.9	2.1	Χ b  = 0.54; p = .97 c
College	14.3	16.7
Bachelor of Science (BSc)	21.7	22.3
Marital status (%)
Permanent marriage	30.4	42.6
Single	15.5	11.5	Χ b  = 2.10; p = .15 c
Widow/divorced	0	0
Job (%)
Unemployed	12.7	10.3
Employed	16.0	23.0	Χ b  = 2.56; p = .28 c
Others	22.4	15.6

^a Data are mean ± SDs.

^b Obtained from independent t‐test.

^c Obtained from Pearson Chi‐square test.