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Research ArticleOriginal Research

Intervention in Overweight Children Improves Body Mass Index (BMI) and Physical Activity

Violet Siwik, Randa Kutob, Cheryl Ritenbaugh, Luis Cruz, Janet Senf, Mikel Aickin, Scott Going and Andrew Shatte
The Journal of the American Board of Family Medicine March 2013, 26 (2) 126-137; DOI: https://doi.org/10.3122/jabfm.2013.02.120118
Violet Siwik
From the Department of Family and Community Medicine (VS, RK, CR, MA), University of Arizona College of Medicine (JS), Tucson (VS, RK, CR); the American Medical Center, Upper Tumon, Guam (LC); Department of Nutritional Sciences, Center for Physical Activity and Nutrition, University of Arizona, Tucson (SG); and the University of Arizona, Tucson (AS).
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Randa Kutob
From the Department of Family and Community Medicine (VS, RK, CR, MA), University of Arizona College of Medicine (JS), Tucson (VS, RK, CR); the American Medical Center, Upper Tumon, Guam (LC); Department of Nutritional Sciences, Center for Physical Activity and Nutrition, University of Arizona, Tucson (SG); and the University of Arizona, Tucson (AS).
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Cheryl Ritenbaugh
From the Department of Family and Community Medicine (VS, RK, CR, MA), University of Arizona College of Medicine (JS), Tucson (VS, RK, CR); the American Medical Center, Upper Tumon, Guam (LC); Department of Nutritional Sciences, Center for Physical Activity and Nutrition, University of Arizona, Tucson (SG); and the University of Arizona, Tucson (AS).
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Luis Cruz
From the Department of Family and Community Medicine (VS, RK, CR, MA), University of Arizona College of Medicine (JS), Tucson (VS, RK, CR); the American Medical Center, Upper Tumon, Guam (LC); Department of Nutritional Sciences, Center for Physical Activity and Nutrition, University of Arizona, Tucson (SG); and the University of Arizona, Tucson (AS).
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Janet Senf
From the Department of Family and Community Medicine (VS, RK, CR, MA), University of Arizona College of Medicine (JS), Tucson (VS, RK, CR); the American Medical Center, Upper Tumon, Guam (LC); Department of Nutritional Sciences, Center for Physical Activity and Nutrition, University of Arizona, Tucson (SG); and the University of Arizona, Tucson (AS).
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Mikel Aickin
From the Department of Family and Community Medicine (VS, RK, CR, MA), University of Arizona College of Medicine (JS), Tucson (VS, RK, CR); the American Medical Center, Upper Tumon, Guam (LC); Department of Nutritional Sciences, Center for Physical Activity and Nutrition, University of Arizona, Tucson (SG); and the University of Arizona, Tucson (AS).
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Scott Going
From the Department of Family and Community Medicine (VS, RK, CR, MA), University of Arizona College of Medicine (JS), Tucson (VS, RK, CR); the American Medical Center, Upper Tumon, Guam (LC); Department of Nutritional Sciences, Center for Physical Activity and Nutrition, University of Arizona, Tucson (SG); and the University of Arizona, Tucson (AS).
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Andrew Shatte
From the Department of Family and Community Medicine (VS, RK, CR, MA), University of Arizona College of Medicine (JS), Tucson (VS, RK, CR); the American Medical Center, Upper Tumon, Guam (LC); Department of Nutritional Sciences, Center for Physical Activity and Nutrition, University of Arizona, Tucson (SG); and the University of Arizona, Tucson (AS).
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Article Figures & Data

Figures

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  • Figure 1.
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    Figure 1.

    Choices consort diagram.

  • Figure 2.
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    Figure 2.

    Body mass index (BMI) and BMI z score. Top: light dashed line represents the predicted increase in BMI if the children were to continue at the same Centers for Disease Control and Prevention z score (percentile). Bottom: The BMI age-specific z score. In both panels, the heavy dashed line represents the intervention periods, and the dots are the 3 measurements points after the intervention for each group.

  • Figure 3.
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    Figure 3.

    Weight and weight for age z score. Top: The dashed line represents the predicted weight increase if the children were to continue at the same Centers for Disease Control and Prevention z score (percentile). Bottom: The age-specific z score for weight. In both panels, the heavy dashed line represents the intervention periods, and the dots are the 3 measurement points after the intervention.

Tables

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    Table 1.

    Choices Classes Intervention Topics

    ClassContent and ObjectivesPhysical Activity (PA)
    1Get acquainted; learn about the program (why and what); pedometersPedometers: using, logging; family activity
    Orientation to importance for children's health; need for whole family to be involvedGuide
    2How active am I? What's fun? How can I do more? Why is it important?
    Barriers and facilitators to family PA, child's PA; enhancing PA for all; pedometer goalsPedometer challenge
    What are the connections between cognition and emotion and behavior?Chalk for hopscotch and sidewalk games
    Between what I think and what I feel and do? How does this work for children? Adults?
    4Why is it important to drink water for thirst? How much sugar is in beverages?Jump ropes
    5How can I challenge my thinking habits that do not help me? Recognize inaccurate thinking and change it? Ways to support children and familyNerf soccer
    6How much food is enough? Portion sizesFrisbee
    7Television: when more is not better; the TV turn-off challengeTV turn-off
    8Time in the park: family games and reviewYoga cards
    9Fast foods: the truth about fat in foodDance video
    10Fast foods: making other choices for the long termJuggling scarves
    11Making active choices: living my lifeTaiBo video
    12Choosing food and beverage that fits my lifestyle: putting it all together
    Celebration/graduation
    • View popup
    Table 2.

    Baseline anthropometrics and demographics

    CharacteristicMarchSeptemberTotal
    BoysGirlsBoysGirls
    Sample size, n789832
    Age (yrs)9.7 ± 0.49.7 ± 0.89.6 ± 0.69.3 ± 0.69.6 ± 0.6
    Weight (kg)56.0 ± 9.153.1 ± 8.856.8 ± 15.658.8 ± 15.956.2 ± 12.6
    Weight/age Z*2.35 ± 0.442.10 ± 0.582.31 ± 0.702.46 ± 0.712.31 ± 0.61
    Height (cm)144.1 ± 4.1143.4 ± 5.7146.4 ± 8.0146.0 ± 10.1145.1 ± 7.2
    Height/age Z*1.07 ± 0.621.03 ± 0.691.50 ± 0.041.67 ± 0.06—
    BMI (kg/m2)26.9 ± 3.625.8 ± 4.026.3 ± 6.227.5 ± 6.826.6 ± 5.2
    BMI/age Z*2.19 ± 0.332.00 ± 0.452.07 ± 0.422.11 ± 0.532.09 ± 0.43
    Body fat (%)†41.3 ± 14.336.9 ± 5.335.4 ± 9.539.4 ± 8.838.1 ± 9.6
    Mother's education (n)
        High school/GED303
        Some college or vocational training459
        College degree527
        >College257
    Father's education (n)
        <High school/GED437
        Some college or vocational training549
        College degree325
        >College235
    Family income, $ (n)
        <50,0006410
        ≥50,000–100,000448
        >100,000347
    Ethnicity (n)
        American Indian/Alaska Native011
        Asian/Pacific Islander213
        Hispanic437
        Non-Hispanic white91221
    • Values provided as mean ± standard deviation unless otherwise indicated.

    • ↵* Centers for Disease Control and Prevention.

    • † Tanita.

    • View popup
    Table 3.

    Regression Effects* of CHOICES Intervention

    Outcome†Intervention effect‡ (SDE)P§
    Z score
        BMI−0.046 (0.022).017
        Weight−0.029 (0.022).090
        Height0.041 (0.027).127
    BMI (kg/m2)−0.34 (0.17).025
    Weight (kg)−0.64 (0.39).053
    Height (cm)0.59 (0.21).006
    METs¶
        Low−1.04 (0.60).084
        Medium0.13 (1.08).904
        High1.82 (1.42).197
    • ↵* The other variables in the equation were baseline value, male indicator, and growth trend.

    • ↵† N = 32 for weight, body mass index, and height; n = 22 for physical activity.

    • ↵‡ Per 3-month period after intervention.

    • ↵§ One-sided for weight and body mass index (BMI); 2-sided for all other variables.

    • ↵¶ Shift from low metabolic equivalents (METs) to high METs significant at P = .037; see text for details.

    • SDE, standard deviation of the estimate (sometimes called standard error).

    • View popup
    Table 4.

    Counts of Children's Spontaneous Comments About Changes in Food Choices

    Food-related choicesN
    Smaller portions9
    Drinking more water7
    Eating healthier in general6
    Drinking less soda4
    Eating less fast food4
    Making better choices when eating out3
    Trying new fruits and vegetables3
    Snacking less between meals, and improving snack choices3
    • View popup
    Table 5.

    Representative Quotations from Qualitative Interviews

    Implementation of the Choices modelParent 1: “They said, ‘This is not what you have to do, this is the way it is. If you choose to do this, it leads to some ramifications. Do you want this or not? It's up to you.’ …It was constantly stressed that we're not telling you what to do…we're just showing you, giving you bits of information so that you can make choices.… As a parent, that's exactly what I try and do with [my daughter].”
    Parent 2: “…When [child's name] will say to me, ‘Can I have this or that?’ what I try and say is it's your body, it's your choice what you put into your body, you are in control or what goes into your body, you know, and so I try and evoke…I think that the name Choices for the program is a great name.”
    Parent 3: “I thought Choices was great…good lifestyle information that everyone Can benefit from, not just people that are struggling with weight issues….”
    Interviewer: So you like going outside a lot, and you got into the program to learn about that? Child 1: Yeah, and to learn how I can get fit, just be more confident with who I am, and just make better choices. Child 2: [Making better food choices] made me…feel better, like, on the holidays, that I don't eat as much. And that I'm watching over myself, instead of just my parents watching over me. And it has made me feel good that I have gotten more active and stuff like that.
    Parent 4: “…Before I came to Choices classes I had all those problems, a lot of the conflicts for food, [child] wants some bad foods, as a parent I try to be nice and then…sometimes I get angry, and behave angry, all those…we have family conflicts, and then when I came to Choices classes and talked to other parents, I realized it's not only my problem, it's everyone's problem. We feel like friends, even though we only met a couple of times, we already feel the same way.”
    ResilienceParent 5: “My wife was very…supportive, she liked us coming to the Choices project because she's also concerned about [child]'s health, and she knows that all those pamphlets, all [that] information, that I bring from the Choices project, she takes a look at the reading materials.”
    Parent 6: “Everyday in the beginning when we would come to the class, [the nutritionist] would have some kind of low-calorie snack, which was good…now I'm putting more vegetables in his lunch.”
    Parent 7: “Her mother tends to like chicken nuggets and Easy Macs, but I know she took information back, and I noticed because Monday she packs a lunch for [child's name], [whispering] so I always check, and there actually gets to some fresh fruit in there and vegetables now.”
    Parent 8: “…When I am with [child's name] I always try and encourage her, you know, watch her portions, think about what you are putting in your body, drink more water, and I don't think that a lot of that is happening when she is with her mom.…”
    Parent 9: “…Some kids had been teasing her at school before we got here, and so she was very self-conscious.… And then, the other thing is that I think the class gave her a little more confidence…”
    Parent 10: “I think seeing other kids heavy helped him accept that it's okay to be heavier because [before] he would wear sweatshirts in May when it was like 95 degrees outside…and he doesn't do that anymore, this year he is not wearing his hoodie.”
  • Suggested Time in Class 1ActivitiesMaterials Needed
    20 minI. Check-in, sharing, snacks, and group rules• Snacks, poster board for group rules
    20 minII. What is CHOICES?• Handout
    What is family support?
    What is safety when active?• General safety guidelines
    30 minIII. Pedometer introduction, logging, pedometer practice• Pedometers
    • Lifestyle Activity Estimate sheets
    5–10 minIV. Lesson summary and next week's home activity assignment• Pedometer Log sheet
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The Journal of the American Board of Family     Medicine: 26 (2)
The Journal of the American Board of Family Medicine
Vol. 26, Issue 2
March-April 2013
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Intervention in Overweight Children Improves Body Mass Index (BMI) and Physical Activity
Violet Siwik, Randa Kutob, Cheryl Ritenbaugh, Luis Cruz, Janet Senf, Mikel Aickin, Scott Going, Andrew Shatte
The Journal of the American Board of Family Medicine Mar 2013, 26 (2) 126-137; DOI: 10.3122/jabfm.2013.02.120118

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Intervention in Overweight Children Improves Body Mass Index (BMI) and Physical Activity
Violet Siwik, Randa Kutob, Cheryl Ritenbaugh, Luis Cruz, Janet Senf, Mikel Aickin, Scott Going, Andrew Shatte
The Journal of the American Board of Family Medicine Mar 2013, 26 (2) 126-137; DOI: 10.3122/jabfm.2013.02.120118
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