Skip Navigation Links
Centers for Disease Control and Prevention
 CDC Home Search Health Topics A-Z

Preventing Chronic Disease: Public Health Research, Practice and Policy

View Current Issue
Issue Archive
Archivo de números en español








Emerging Infectious Diseases Journal
MMWR


 Home 

Volume 6: No. 1, January 2009

ORIGINAL RESEARCH
Prevalence of Overweight and Influence of Out-of-School Seasonal Periods on Body Mass Index Among American Indian Schoolchildren

Grade Level BMI (kg/m2) Before Summer Recess (May 2007) BMI (kg/m2) After Summer Recess (August 2007) P Value
3 (n = 15) 21.1 21.6 .01
4 (n = 23) 22.7 23.2 .07
5 (n = 14) 25.0 25.8 .02
7 (n = 15) 23.0 23.2 .26

Figure 1. Body mass index (BMI, kg/m2) before and after summer recess in third-, fourth-, fifth-, and seventh-grade girls, Wind River Indian Reservation, Wyoming, 2007.

Return to article

 

Grade Level BMI (kg/m2) Before Summer Recess (May 2007) BMI (kg/m2) After Summer Recess (August 2007) P Value
3 (n = 14) 20.1 20.3 .37
4 (n = 33) 23.2 24.1 <.001
5 (n = 13) 23.8 23.8 .48
7 (n = 13) 23.5 23.5 .45

Figure 2. Body mass index (BMI, kg/m2) before and after summer recess in third-, fourth-, fifth-, and seventh-grade boys, Wind River Indian Reservation, Wyoming, 2007.

Return to article

 

Category BMI (kg/m2) Before Summer Recess (May 2007) BMI (kg/m2) After Summer Recess (August 2007) P Value
≥85th Percentile girls (n = 37) 26.8 27.4 <.001
Normal-weight girls (n = 24) 17.6 17.9 .09
≥85th Percentile boys (n = 46) 26.1 26.8 .002
Normal-weight boys (n = 25) 17.2 17.1 .79
≥85th Percentile boys and girls (n = 83) 26.4

 

27.1 <.001
Normal-weight boys and girls (n = 49) 17.4 17.5 .42

Figure 3. Age- and sex-adjusted body mass index (BMI, kg/m2) before and after summer recess in third-, fourth-, fifth-, and seventh-grade students, Wind River Indian Reservation, Wyoming, 2007, Wind River Indian Reservation, Wyoming, 2007.

Return to article

 

Category BMI (kg/m2) z Score Before Summer Recess (May 2007) BMI (kg/m2) z Score After Summer Recess (August 2007) P Value
≥85th Percentile girls (n = 37) 2.0 2.1 .79
Normal-weight girls (n = 24) 0.39 0.43 .76
≥85th Percentile boys (n = 46) 2.0 2.0 .95
Normal-weight boys (n = 25) 0.24 0.14 .14
≥85th Percentile boys and girls (n = 83) 2.0 2.0 .87
Normal-weight boys and girls (n = 49) 0.31 0.28 .72

Figure 4. Body mass index (BMI, kg/m2) z score before and after summer recess in third-, fourth-, fifth-, and seventh-grade students, Wind River Indian Reservation, Wyoming, 2007.

Return to article

 




 



The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.


 Home 

Privacy Policy | Accessibility

CDC Home | Search | Health Topics A-Z

This page last reviewed March 22, 2013

Centers for Disease Control and Prevention
National Center for Chronic Disease Prevention and Health Promotion
 HHS logoUnited States Department of
Health and Human Services