Table 6.

	N	Pretest		Stress unit		Tolerance		Posttest		Interaction
		Mean	SD	Mean	SD	Mean	SD	Mean	SD
Alpha2 AF3
Controls	18	38.56	3.93	36.71	4.14	38.82	4.07	38.58	3.70	F 3 = 8.95, p = 0.000
Hypertensives	22	38.88	5.52	40.04	4.15	39.22	5.66	39.15	4.55
Alpha2 F3
Controls	18	37.13	3.59	35.76	3.48	37.28	3.39	37.20	3.17	F 3 = 7.39, p = 0.006
Hypertensives	22	38.11	4.44	38.72	4.23	38.51	4.22	38.57	3.93
Alpha2 AF4
Controls	18	38.23	4.16	36.69	3.73	38.52	4.43	38.28	4.77	F 3 = 6.00, p = 0.001
Hypertensives	22	40.01	5.69	40.73	4.58	40.43	5.20	39.97	4.79