Table 6.

Characteristics of changes in weight.

Weight (lbs.)	Group I (60)	Group II (60)	P value
	Mean ± SD	Mean ± SD
Weight at beginning	183.6 ± 57.5	164.7 ± 39.3	0.038
Weight at one year	182.6 ± 59.7	165.4 ± 41.8	0.070
Change	-1.0 ± 9.7	0.7 ± 8.8	0.313
Lost weight	43% (26)	38% (23)	0.645
No change	20% (12)	17% (10)
Gained weight	37% (22)	45% (27)
Weight at two years	182.0 ± 63.1	165.4 ± 40.9	0.089
Change	-1.5 ± 18.7	0.75 ± 12.0	0.428
Lost weight	45% (27)	45% (27)	0.517
No change	17% (10)	10% (6)
Gained weight	38% (23)	45% (27)