Table 1.

Characteristics of Children in Study on Body Mass Index of American Indian and White Elementary School Students in Oklahoma, 2005-2009

Characteristic	2005	2006	2007	2008	2009
Response ratea, %	97.7	97.5	86.6	96.6	91.3
No. of children measured
Total	795	755	706	731	780
White girls	95	87	78	80	77
White boys	104	94	85	73	80
American Indian girls	298	277	271	281	292
American Indian boys	298	297	272	297	331
Children overweight or heavierb, %
Total	47.6	50.5	51.7	52.1	49.4
White girls	31.6	32.2	29.5	35.0	28.6
White boys	33.7	44.7	38.8	35.6	38.8
American Indian girls	50.0	50.5	56.1	53.0	51.0
American Indian boys	55.0	57.6	57.7	59.9	55.3

^a Number of children measured divided by number of children enrolled at the beginning of the school year.

^b Overweight, obese, or very obese (≥85th percentile of Centers for Disease Control and Prevention's 2000 Growth Charts).