Table 5.

Change in IWQOL-lite scores at 1 and 2 years after WLS relative to baseline by surgery type

	Mean Δ QOL at year 1	Mean Δ QOL at year 2	Adjusted differences compared to Caucasian patientsa
			AA		Hispanic
	Mean ± SD	Mean ± SD	Estimate ± SE	p value	Estimate ± SE	p value
Gastric bypass
Total	37.42 ± 17.49	37.33 ± 18.09	1.26±2.19	0.56	1.02±3.25	0.75
Physical functioning	47.62 ±21.60	46.50 ±22.05	−0.35±2.30	0.88	2.90±3.41	0.40
Public distrust	36.40 ± 24.03	36.77 ± 24.74	1.11±2.66	0.68	5.27±3.24	0.10
Self-esteem	34.99 ±25.52	34.38 ±26.66	2.62±3.71	0.48	0.96±5.22	0.85
Sex life	25.26 ±28.28	25.67 ±26.03	0.85±2.85	0.77	0.01±3.77	1.00
Work	27.44 ± 20.00	26.76 ± 20.84	−1.22±2.13	0.57	−4.68±3.29	0.15
Gastric banding
Total	21.03 ± 14.76	23.85 ± 17.57	−1.38±2.83	0.63	3.71±4.72	0.43
Physical functioning	28.40 ± 18.38	31.18 ± 21.57	−2.17±3.66	0.55	2.69±4.04	0.51
Public distrust	18.18 ±20.19	22.17 ±21.10	−3.17±4.02	0.43	6.98±6.76	0.30
Self-esteem	19.50 ±20.24	21.72 ±22.37	1.02±3.06	0.74	5.45±6.14	0.38
Sex life	12.35 ±20.12	14.13 ±24.61	−1.27±3.33	0.70	2.37±5.61	0.67
Work	14.12 ± 18.56	18.74 ±21.64	0.40±3.05	0.90	−4.77±4.77	0.32

^aAll models were adjusted by site along with age, sex, education, income, marital status, surgery type and baseline QOL