10/29/2012 1 Grace Anne Edwards Activity Promotion Laboratory East Carolina University 8 th Annual Pediatric Healthy Weight Summit November 2, 2012 Supported by a CPPW grant from Pitt County Health Department and the Centers for Disease Control and Prevention Children and adolescents should do 60 minutes (1 hour) or more of physical activity daily. USDHHS. 2008 0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% Males Females Total 49% 35% 42% 12% 3% 8% Ages 6-11 Ages 12-15 Troianoet al. 2008 MSSE
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Grace Edwards handout 1.pptx [Read-Only]5 Sites assigned to condition based on sample size 3 Intervention 2 Control Intervention Control Boys’ & Girls’ Clubs 74 75 PCCSR 85 43
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10/29/2012
1
Grace Anne Edwards
Activity Promotion Laboratory
East Carolina University
8 th Annual Pediatric Healthy Weight Summit
November 2, 2012
Supported by a CPPW grant from Pitt County Health Department and the Centers for Disease Control and Prevention
� Children and adolescents should do 60 minutes (1 hour) or more of physical activity daily.
USDHHS. 2008
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
Males Females Total
49%
35%
42%
12%
3%
8%
Ages 6-11
Ages 12-15
Troiano et al. 2008 MSSE
10/29/2012
2
0%
10%
20%
30%
40%
50%
60%
70%
Girls Boys
Pe
rce
nta
ge
Me
eti
ng
Gu
ide
lin
es
60 min/day of Physical Activity
Normal Weight
At Risk/Overweight
*
*
Patrick et al. 2004 APAM
* p < .01
� 8.4 million children (K-12) in US (15%)
� 179,874 children (K-12) in NC (12%)
� Number is likely to increase due to• Shifting family demographics
• Increased attention to academic performance & prevention of problem behaviors in schools
• Intensified focus on positive youth development
Afterschool Alliance. 2009
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3
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
HighSuccess
ModerateSuccess
Low Success
Engagement Rate
Management & Climate
Cross et al. 2010 AJCP
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
HighSuccess
ModerateSuccess
Low Success
Bachelor's or Higher
Cross et al. 2010 AJCP
Trost et al. 2008 MSSE
42.6
40.8
20.3
Physical Activity (min)
Sedentary
Light
MVPA
N = 140
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Move More After-School Collaboration. 2009
�To examine the effect of an after-school physical activity program on:• physical activity
• aerobic fitness
• body composition
�Participants� Youth (grades K – 8)
� Recruited from 15 after-school programs
� 9 intervention
� 6 control group
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� Pitt County Community Schools & Recreation (PCCSR) ~ 630 children � 10 Sites
� 6 Sites randomly assigned to Intervention
� 4 Sites randomly assigned to Control
� Boys’ & Girls’ Clubs ~ 740 children� 5 Sites assigned to condition based on sample size
� 3 Intervention
� 2 Control
Intervention Control
Boys’ & Girls’ Clubs 74 75
PCCSR 85 43
Total 159 118
Number of ParticipantsAssessed with Accelerometers
Intervention Control
Boys’ & Girls’ Clubs 17 18
PCCSR 35 25
Total 52 43
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� 10-week Intervention
After-School Energizers
� Physical activities that promote:�Character development
�Life skills training
�Academic enrichment
� After-School Energizers�Led by after-school leader�Received 1.5 hr training at baseline�Received 1 hr training at 10-week
follow-up
� Duration of activity 10 – 30 min� At least one activity/day
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8th Annual Pediatric Healthy Weight Summit
8th Annual Pediatric Healthy Weight Summit
Intervention
Group
After-School
Energizers
n = 9
programs
ASE
Training
For Leaders
Baseline
Testing
After-
School
Energizers
10-Week
Follow-Up
Testing
Control
Site
Training
&
Booster
Training
After-
School
Energizers
20 –Week
Follow-Up
Testing
ASE
Booster
Training
After-
School
Energizers
1-School
Year
Post-Test
Control
Group
n = 6
programs Baseline
Testing
10-Week
Follow-Up
Testing
20 –Week
Follow-Up
Testing
ASE
Training
After-
School
Energizers
1-School
Year
Post-Test
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�Assessments �Physical Activity
� Pedometers (Accusplit 120 XLE)� Worn entire time at after-school
site for 5 consecutive days
� Accelerometers (ActiGraph GT1M)� Worn entire time at after-school
site for 5 consecutive days
�Body Composition�Height, weight, and BMI calculations
�Percent fat (triceps and calf skinfolds)
�Aerobic Fitness�PACER 20-meter multistage shuttle run
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�Descriptive statistics.
�Effect sizes� Calculated to estimate size of the
change from baseline to follow-up for intervention and control groups using Cohen’s delta.