Table 2. Baseline demographic characteristics of patients.

Variable	n	%	Mean±SD	Median	Min-Max
Age (year)			41.0±6.9	41	29-55
Gender
Female	34	64.2
Male	19	35.8
Body mass index (kg/m2)			30.1±3.9	30.4	21.1-38.1
Occupation
Housewife	25	47.2
Worker	7	13.2
Retired	4	7.5
Other	17	32.1
Education status
Primary school	23	43.4
Secondary-high school	19	35.8
College	11	20.8
SD: Standard deviation; Min: Minimum; Max: Maximum.