. 2012 Nov 29;9:E171. doi: 10.5888/pcd9.120111

Table 1. Distribution of School Sociodemographic Characteristics and Disordered Weight-Control Behavior^a at Baseline and Year 3 Follow-up in Massachusetts Middle Schools (N = 45) Participating in the Healthy Choices Program, 2005–2008.

Characteristics of Schools	Mean (SD)	Range
% White students at baseline	70.3 (23.1)	4.3–95.4
% Female students at baseline	50.6 (4.4)	34.4–60.3
% Students eligible for free or reduced-price lunch at baseline	27.6 (20.0)	2.4–85.6
No. of respondents in grades 6–8	484 (303)	16–1,277
% Students with DWCB^a at baseline	4.2 (2.5)	0.9–12.0
% Students with DWCB^a at follow-up	4.6 (2.5)	0–14.0

Disordered weight-control behavior (DWCB) defined as report of any vomiting or use of laxatives or diet pills for weight control in past month.

Table 1. Distribution of School Sociodemographic Characteristics and Disordered Weight-Control Behaviora at Baseline and Year 3 Follow-up in Massachusetts Middle Schools (N = 45) Participating in the Healthy Choices Program, 2005–2008.