Transcutaneous Electrical Stimulation of Acupoints Changes Body Composition and Heart Rate Variability in Postmenopausal Women with Obesity

Table 1

Characteristics of study subjects.

Variables	Control (n = 20)	Experimental (n = 20)	P-value
Age (years)^a	52.5 (48.0, 61.0)	57.0 (49.0, 63.0)	.004*
Duration of menopause (years)^a	2.5 (1.0, 10.0)	5.0 (1.0, 10.0)	.148
Marriage^b			1.000
Married	20 (100.00)	19 (95.00)
Widow	0	1 (5.00)
Occupation^b			.004*
No	19 (95.00)	11 (55.00)
Yes	1 (5.00)	9 (45.00)
Exercise^b			.457
Never	4 (20.00)	1 (5.00)
Occasional	7 (35.00)	8 (40.00)
Regular	9 (45.00)	11 (55.00)
Tea^b			.693
No	3 (15.00)	4 (20.00)
Occasional	5 (25.00)	7 (35.00)
Frequently	12 (60.00)	9 (45.00)
Coffee^b			.236
No	9 (45.00)	7 (35.00)
Occasional	3 (15.00)	8 (40.00)
Frequently	8 (40.00)	5 (25.00)
Medical history^b			.487
No	9 (45.00)	5 (25.00)
Yes	11 (55.00)	15 (75.00)
Medications^b			1.000
No	14 (70.00)	14 (70.00)
Yes	6 (30.00)	6 (30.00)
Health food^b			.465
No	6 (30.00)	4 (20.00)
Yes	14 (70.00)	16 (80.00)
Stress^b			.046*
Light	14 (70.00)	6 (30.00)
Medium	5 (25.00)	9 (45.00)
Heavy	1 (5.00)	5 (25.00)

Data are presented as median (range) or number (%).
^aMann-Whitney U-test was used; ^bChi-square test was used.
*Significantly different, P < .05.