Effect of whole body vibration versus resistive exercise on premenstrual symptoms in adolescents with premenstrual syndrome

Bulletin of Faculty of Physical Therapy

Table 2 The mean and standard deviation of PMS symptoms for all groups

Variable	Timing	Control group	WBV Group	Resistive group	Group-Time interaction
Variable	Timing	Control group	WBV Group	Resistive group	F-value	p-value
PMS-A	Before	9.05±2.85	9.10±1.07	8.85±2.70	62.15	0.000*
	After	9.20±2.58	4.70±1.59	4.20±1.64	62.15	0.000*
	p-value	0.37	0.000*	0.000*
PMS-C	Before	9.90±1.33	8.60±1.98	9.25±2.36	33.65	0.000*
	After	9.40±1.27	4.80±1.82	4.95±0.76	33.65	0.000*
	p-value	0.03*	0.000*	0.000*
PMS-D	Before	9.95±2.76	10.45±2.01	10.30±2.15	42.39	0.000*
	After	9.55±2.08	5.45±1.63	4.90±1.51	42.39	0.000*
	p-value	0.18	0.000*	0.000*
PMS-H	Before	7.95±1.05	6.40±3.21	7.25±2.91	10.72	0.000*
	After	8.05±1.14	3.80±1.70	4.70±1.80	10.72	0.000*
	p-value	0.16	0.001*	0.000*
Other symptoms	Before	12.95±1.95	11.70±1.71	12.45±2.28	49.99	0.000*
	After	12.90±2.17	8.70±2.31	7.30±1.34	49.99	0.000*
	p-value	0.85	0.000*	0.000*
Cramp	Before	2.45±0.51	2.20±0.41	2.15±0.67	8.17	0.001*
	After	2.40±0.50	1.90±0.30	1.35±0.74	8.17	0.001*
	p-value	0.33	0.01*	0.001*
Backache	Before	2.90±0.30	2.65±0.48	2.70±0.57	23.37	0.000*
	After	2.90±0.30	2±0.00	1.75±0.55	23.37	0.000*
	p-value	0.33	0.01*	0.001*

PMS-A premenstrual syndrome anxiety, PMS-C premenstrual syndrome craving symptoms, PMS-D premenstrual syndrome depression, PMS-H premenstrual syndrome hyperhydration symptom, WBV whole body vibration
*P<0.05 is significant