Table 3. Matched Comparisons (by PROMIS age range 18-100) for Body Mass Index.

						90% confidence interval from equivalence testing
Variable	N	Mean	Std Error of Mean	95% CL for Mean		vs. MEPS	vs. NHANES	vs. BRFSS
2004 MEPS	22002	27.20	0.059	27.09	27.32
2001-2002 NHANES	10132	27.90	0.13	27.68	28.13
2005 BRFSS	335185	27.11	0.020	27.08	27.15
PROMIS: General population (Unweighted)	11730	28.63	0.062	28.51	28.76	1.29, 1.57	0.49, 0.97	1.41, 1.63
PROMIS: General population (weighted)	217451226	28.85	0.13	28.59	29.12	1.41, 1.89	0.64, 1.26	1.52, 1.97
PROMIS: general population sub-sample	2186	28.72	0.15	28.42	29.02	1.25, 1.79	0.49, 1.15	1.36, 1.86

Note: equivalencies are printed in boldface type.