Table 1.

Participant characteristics by weight loss category.

	Lost at least 5 lbs after 6 months	Did not lose at least 5 lbs after 6 months	Lost at least 5 lbs after 18 months	Did not lose at least 5 lbs after 18 months
Total–n	53	84	71	66
Age–mean ± sd	47.4 ± 12.1	46.5 ± 10.6	46.5 ± 11.9	47.2 ± 10.4
Male–%	56.6	46.4	49.3	51.5
Baseline weight–mean ± sd	223.3 ± 45.4	221.6 ± 49.6	221.1 ± 47.6	223.6 ± 48.5
Race
White–%	56.6	56.0	59.2	53.0
Black–%	35.8	36.9	32.4	40.9
Other–%	7.5	7.1	8.5	6.1
Hispanic–%	5.7	2.4	5.6	1.5
Primary psychiatric diagnosis
Schizophrenia–%	32.1	31.0	26.8	36.4
Schizoaffective–%	28.3	29.8	35.2	22.7
Bipolar disorder- %	15.1	21.4	19.7	18.2
Major depression–%	18.9	9.5	15.5	10.6
Other–%	5.7	8.3	2.8	12.1
Number of medications–mean ± sd	7.3 ± 3.8	7.5 ± 4.3	7.2 ± 3.8	7.7 ± 4.4
Any antipsychotics–%	75.5	71.4	69.0	77.3
Baseline weight efficacy score–mean ± sd	110.5 ± 41.6	110.3 ± 35.7	109.4 ± 40.3	111.5 ± 35.5
Baseline self efficacy score–mean ± sd	29.0 ± 6.1	30.3 ± 6.1	29.0 ± 6.6	30.6 ± 5.4
Consider self to be overweight at baseline–%	83.0	82.1	80.3	84.8
Trying to lose weight at baseline–%	79.2	75.0	78.9	74.2
Trying to lose weight at 6 months–%	86.8	78.6	88.7	74.2
Importance of controlling weight at baseline (1–10)–mean ± sd	8.7 ± 2.2	8.9 ± 1.6	8.8 ± 2.0	8.8 ± 1.7
Confidence in ability to change weight (1–10) at baseline–mean ± sd	7.1 ± 2.9	7.5 ± 2.6	7.5 ± 2.8	7.2 ± 2.7
MOS social support score at baseline–mean ± sd	62.8 ± 22.8	64.2 ± 20.8	62.8 ± 21.3	64.6 ± 21.9