| Only sugar-sweetened beverages (SSB) (eight cohorts) | Soft drinks (SD) (three cohorts) | ||
---|---|---|---|---|
Study design and population and characteristics | N | % | n | % |
Study location | Â | Â | Â | Â |
  United States | 6 | 75% | 0 |  |
  Europe | 1 | 13% | 1 | 33% |
  Japan | 1 | 13% | 2 | 67% |
Gender | Â | Â | Â | Â |
  Women | 3 | 38% | 0 |  |
  Men | 2 | 25% | 0 |  |
  Both men and women | 3 | 38% | 3 | 100 |
Case of T2D | Â | Â | Â | Â |
  1 to 4,999 | 2 | 25% | 1 | 33% |
  500 to 4,999 | 4 | 50% | 2 | 67% |
  5,000+ | 2 | 25% | 0 |  |
Duration of follow-up | Â | Â | Â | Â |
  <10 years | 4 | 50% | 0 |  |
  10 to 14 years | 1 | 13% | 3 | 100% |
  15+ years | 3 | 38% | 0 |  |
Mean baseline body mass index (kg/m2) | Â | Â | Â | Â |
  <24 | 1 | 13% | 2 | 67% |
  24 to 26 | 4 | 50% | 0 |  |
  >26 | 3 | 38% | 1 | 33% |
Number/timing of beverage assessment | Â | Â | Â | Â |
  Once at baseline (study length range from 7 to 16 years) | 4 | 50% | 3 | 100% |
  Twice (6-year interval) | 1 | 13% | 0 |  |
  Every 4 years | 3 | 38% | 0 |  |
Proportion of study participants reporting ≥ serving/day |  |  |  |  |
  10% or fewer or low consumption | 2 | 25% | 3 | 100% |
  Between 11 and 15% | 3 | 38% | 0 |  |
  More than 15% | 2 | 25% | 0 |  |
  Not reported | 1 | 13% | 0 |  |
Method of type 2 diabetes (T2D) diagnosis | Â | Â | Â | Â |
  Self report with validation | 4 | 50% | 2 | 67% |
  Direct measurement/medical records | 4 | 50% | 1 | 33% |
Operation of study variable in multivariable models: highest versus lowest category of consumption | ||||
Highest consumption category: | Â | Â | Â | Â |
  2+ drinks or cups/dayARIC,BWHS | 2 | 25% | 0 | 33% |
  1+ glasses or servings/day | 6 | 75% | 1 | 67% |
  <1 serving/day | 0 |  | 2 |  |
Lowest consumption category: | Â | Â | Â | Â |
  Never | 2 | 25% | 1 | 33% |
  never or rarely | 5 | 63% | 2 | 67% |
  <1 cup/dayARIC | 1 | 13% | 0 |  |
Characterization of multivariable models | Range | Median | Range | Median |
No multivariable models presented | 1 to 8 | 4 | 2 to 4 | 3 |
Maximum number of co-variables in multivariable modelsa | 9 to 17 | 14 | 14 to 17 | 15 |
Maximum% change in SSB-T2D risk from age-adjusted estimate | 46 to 95% | 61% | 2 to 26% | 18% |