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. Author manuscript; available in PMC: 2014 Sep 1.

Published in final edited form as: J Adolesc Health. 2013 May 15;53(3):322–327. doi: 10.1016/j.jadohealth.2013.03.026

Table 2.

Estimates of body mass from self-report, objective measurements, and multiple imputation

		Self-Reported BMI Data (n=1840)		Measured BMI Data (n=479)		Multiple imputation (n=1912)
		Prevalence (SE)	n	Prevalence (SE)	n	Prevalence (SE)	n^a

Overweight/ Obesity (≥85%)	Total	0.28 (0.01)	1840	0.35 (0.02)	479	0.34 (0.02)	913
	Girls	0.23 (0.01)	910	0.36 (0.03)	223	0.33 (0.02)	471
	Boys	0.32 (0.02)	930	0.35 (0.03)	256	0.34 (0.02)	454
Obesity (≥95%)	Total	0.12 (0.01)	1840	0.20 (0.02)	479	0.20 (0.01)	889
	Girls	0.08 (0.01)	910	0.18 (0.03)	223	0.18 (0.02)	449
	Boys	0.16 (0.01)	930	0.21 (0.03)	256	0.23 (0.02)	412

^a

effective n indicates the sample size of measured BMI data needed to obtain standard errors of the same size as the multiple imputation model

SE = standard error