Study Title and Description
Patterns of weight change and their relation to diet in a cohort of healthy women.
Key Questions Addressed
|2||What is the relationship between low-calorie sweeteners and body weight and composition in prospective observational cohort studies?|
Primary Publication Information
|Title||Patterns of weight change and their relation to diet in a cohort of healthy women.|
|Author||Colditz GA., Willett WC., Stampfer MJ., London SJ., Segal MR., Speizer FE.|
|Country||Channing Laboratory, Department of Medicine, Harvard Medical School, Boston, MA.|
Pubmed ID: 2349925
Secondary Publication Information
There are currently no secondary publications defined for this study.
Extraction Form: Extraction form for prospective observational studies
No arms have been defined in this extraction form.
|Question... Follow Up||Answer||Follow-up Answer|
|Author, year||Colditz, 1990|
|Baseline age, y||30-55|
|Follow-up, y (between diet and outcome)||4|
|Children/ adolescents (C) or adults (A)||A|
|Other population characteristics||Registered nurses|
|Author-defined exposure||Baseline saccharin intake|
|Assigned exposure||Saccharin intake|
|Beverage (B), Food (F), or Supplement (S)||S|
|Exposure assessment method||FFQ|
|Diet assessment method||Validated FFQ|
|Year diet assessed||1980|
|Analytic cohort no.||31940|
|Sex (M, F)||31940 F|
|Author-defined outcome 1||Weight change (kg)|
|Author-defined outcome 2|
|Assigned outcome 1||BW change|
|Assigned outcome 2|
|β1 for Δ in outcome per unit increase in baseline exposure||0.0024|
|β2 for Δ in outcome per unit increase in baseline exposure|
|SE1 for β (baseline exposure)||NR|
|SE2 for β (baseline exposure)|
|t-statistic (baseline exposure and outcome)||7.4|
|β for Δ in outcome per unit change in exposure overtime||NA|
|SE for β (change in exposure overtime)||NA|
|t-statistic (baseline exposure and outcome overtime)||NA|
|Highest Q intake||>5.8|
|Q1 change in outcome||0.39|
|Q1 SD change in outcome||0.35|
|Highest Q mean change in outcome||1.1|
|Highest Q SD change in outcome||0.47|
|RR (highest vs. lowest)||NA|
|LL (highest vs. lowest)||NA|
|UL (highest vs. lowest)||NA|
|Statistical adjustments||age, baseline BMI, and total energy intake for continuous; none for tertiles|
|Baseline BMI/ weight-adjusted||Y|
|Notes||Cohort followed for 8y but 4y change (1980-1984) in weight was examined|
No baseline characteristics have been defined for this extraction form.
Results & Comparisons
No Results found.
|Arm or Total||Title||Description||Comments|
No quality dimensions were specified.
No quality rating data was found.