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Li et al. [38] |
Oken, et al. 2007 [25] |
Gillman et al. [35] |
Oken, et al. 2008 [41] |
Wrotniak et al. [47] |
Oken, et al. 2009 [40] |
Olson et al. [42, 50] |
Steube et al. [46] |
Fraser et al. [23] |
Magerison Zilko et al. [31] |
Schack-Nielsen et al. [44] |
Andersen et al. [32] |
Branum et al. [33] |
Lawlor et al. [37] |
Rooney et al. [43] |
Ensenauer et al. [34] |
Hinkle et al. [36] |
Laitinen et al. [24] |
Lindberg et al. [49] |
Magerison-Zilko et al. [39] |
Stamens-Køpp et al. [45] |
Ehrenthal et al. [48] |
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(1) Description of background Presented in context of previous research, hypothesis clearly described. ✓: 2 elements, O: 1 element, and X: 0 element presented | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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(2) Sample definition Explicit inclusion/exclusion criteria, uniform application of criteria, clear description of recruitment strategy and participant’s characteristics, power analysis, or some other basis noted for determining the adequacy of study sample size. ✓: >3 or more elements, O: 2 or 3 elements, and X: <2 elements presented | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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(3) Description of gestational weight gain Clearly described prepregnancy weight and prenatal weight. ✓: ≥2 elements, O: 1 element, and X: 0 element details described | ✓ | O | ✓ | ✓ | ✓ | O | O | X | ✓ | ✓ | O | ✓ | O | ✓ | ✓ | ✓ | ✓ | ✓ | X | O | X | ✓ |
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(4) Description of child body weight Clearly defined child body weight outcome and described definition for overweight/obesity. ✓: ≥2 elements presented, O: moderately or very clear definition of weight gain, and X: poor definition of child body weight outcome | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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(5) Soundness of information on GWG. Quality of source of information on GWG ✓: objective measures, O: self-report with validation, and X: Self-report | X | X | X | X | X | X | ✓ | X | ✓ | O | X | X | X | ✓ | X | X | X | X | X | X | X | O |
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(6) Soundness of information Quality of source of information on child body weight outcome. ✓: objective measures, O: parental-reported, and X: self-report | ✓ | ✓ | X | X | ✓ | ✓ | X | ✓ | ✓ | O | ✓ | O | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | O | ✓ |
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(7) Description on reduction of the final sample Adequate reporting on loss to follow-up and the number of participants at each stage of study. ✓: both elements, O: 1 element, and X: 0 elements details described | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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(8) Analysis comparability Adequately accounted for withdrawals, lost to follow-up, and missing data in the analysis, appropriate statistical methods were used for main analysis and adjustment of potential confounders. ✓: all elements clearly presented, O: some presented, and X: neither element present | ✓ | ✓ | ✓ | ✓ | ✓ | O | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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(9) Interpretation of results Results interpreted appropriately based on study design and statistics, clinically useful, appropriate presentation, present in the context of prior research, and conclusion supported by results. ✓: all elements clearly present, O: any other score, and X: conclusion not supported by results | ✓ | ✓ | ✓ | ✓ | ✓ | O | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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Overall quality (i) High (H): ≥ 6 good rating (✓) AND zero poor rating (X) (ii) Medium (M): <6 good ratings (✓) OR ≥6 good ratings (✓) and ≤2 poor ratings (X) (iii) Low (L): ≥3 poor ratings (X) OR any other score | M | M | M | M | M | M | M | M | H | M | M | M | M | H | M | M | M | M | M | M | M | H |
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