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Study Title and Description

Longitudinal associations between key dietary behaviors and weight gain over time: transitions through the adolescent years.



Key Questions Addressed
2 What is the relationship between low-calorie sweeteners and body weight and composition in prospective observational cohort studies?
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Primary Publication Information
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TitleData
Title Longitudinal associations between key dietary behaviors and weight gain over time: transitions through the adolescent years.
Author Laska MN., Murray DM., Lytle LA., Harnack LJ.
Country University of Minnesota, School of Public Health, Division of Epidemiology and Community Health, Minneapolis, Minnesota, USA. mnlaska@umn.edu
Year 2012
Numbers Pubmed ID: 21701567
13309 (internal)

Secondary Publication Information
There are currently no secondary publications defined for this study.


Extraction Form: Extraction form for prospective observational studies
Arms
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Design Details
Question... Follow Up Answer Follow-up Answer
Author, year Laska, 2012
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Cohort name IDEA+ECHO
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Country US
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Baseline age, y 10-17
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Follow-up, y (between diet and outcome) 2
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Children/ adolescents (C) or adults (A) C
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Other population characteristics 6th-11th grade adolesecents
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Mean BMI 22
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Author-defined exposure Baseline diet soda intake (diet or sugar-free soda or pop)
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Assigned exposure LCS beverage intake
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Beverage (B), Food (F), or Supplement (S) B
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Exposure assessment method Beverage intake survey question
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Diet assessment method 4 validated survey questions
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Year diet assessed 2006-08
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Analytic cohort no. 276 M, 286 F
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Sex (M, F) 276 M, 286 F
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Author-defined outcome 1 Change in BMI
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Author-defined outcome 2 Change in percent body fat
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Assigned outcome 1 BMI change
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Assigned outcome 2 Body fat change
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Exposure unit servings/d
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β1 for Δ in outcome per unit increase in baseline exposure -0.090 M, 0.100 F
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β2 for Δ in outcome per unit increase in baseline exposure 0.090 M, 0.550 F
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SE1 for β (baseline exposure) 0.240 M, 0.230 F
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SE2 for β (baseline exposure) 0.790 M, 0.360 F
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t-statistic (baseline exposure and outcome) NR
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β for Δ in outcome per unit change in exposure overtime NA
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SE for β (change in exposure overtime) NA
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t-statistic (baseline exposure and outcome overtime) NA
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Quantiles NA
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Q1 intake NA
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Highest Q intake NA
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Q1 change in outcome NA
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Q1 SD change in outcome NA
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Highest Q mean change in outcome NA
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Highest Q SD change in outcome NA
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RR (highest vs. lowest) NA
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LL (highest vs. lowest) NA
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UL (highest vs. lowest) NA
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Dose-response RR NA
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Dose-response LL NA
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Dose-response UL NA
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Statistical adjustments age, school grade, parent education, school lunch, PA, puberty, race, study, and total energy intake
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MV-adjusted (Y/N) Y
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Energy-adjusted (Y/N) Y
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Baseline BMI/ weight-adjusted N
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Notes Identifying Determinants of Eating and Activity (IDEA) andthe Etiology of Childhood Obesity (ECHO)
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Baseline Characteristics
No baseline characteristics have been defined for this extraction form.



Results & Comparisons

No Results found.
Adverse Events
Arm or Total Title Description Comments

Quality Dimensions
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Quality Rating
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