From: Bariatric surgery implementation trends in the USA from 2002 to 2012
 | Univariate models | Domain models | Final model |
---|---|---|---|
 | Param. Est. β (SE) | Param. Est. β (SE) | Param. Est. β (SE) |
Time | |||
Intercept | 0.0318 (0.0077)* | Â | 0.3203 (0.1098)* |
Year | −0.0047 (.0015)* |  |  |
Environment | |||
Intercept | NA | 0.0532 (0.0296) | Â |
Obesity | −0.0017 (0.0008)* | −0.0006 (0.0009) |  |
Medicare NCD | −0.0245 (0.0091) |  |  |
Cum. surgery rate | −0.00007 (0.00002)* | −0.00006 (0.00002)* | −0.0001 (0.00004)* |
Recession year | 0.0099 (0.011) | Â | Â |
Population | |||
Intercept | NA | 0.2054 (0.0986)* | Â |
Age group 50–59 | −0.0098 (0.0031)* | −0.0088 (0.0032)* | −0.0113 (0.0043)* |
Black | 0.00029 (0.0005) | Â | Â |
Diabetes | −0.0027 (0.0019) |  |  |
High school educ. | −0.00004 (0.0007) |  |  |
Hispanic | −0.0005 (0.0005) |  |  |
Income | −0.0007 (0.0005) |  |  |
Private insurance | 0.0009 (0.0004)* | 0.0005 (0.0004) | Â |
Medical practice | |||
Intercept | NA | 0.0208 (0.0066)* | Â |
Center of excellence | −0.0058 (0.0029)* | −0.0058 (0.0029)* | 0.0185 (0.0063)* |
MD champ | −0.0073 (0.0070) |  |  |