Skip to main content

Table 3 Summary of study design and population characteristics of the included intervention studies (N = 202)

From: Research needs and prioritizations for studies linking dietary sugars and potentially related health outcomes

  n (%) or mean (min – max)
Design
 Randomized (Parallel) 47 (23%)
 Randomized (Crossover) 95 (47%)
 Non-randomized 25 (12%)
 Single-arm 25 (12%)
 Undefined trial 10 (5%)
Study Length
 Acute (<1 day) 72 (36%)
 Non-acute (≥1 day) 123 (61%)
Study Duration, day
 1–14 54 (44%)
 15–30 21 (17%)
 30–60 20 (16%)
 60–90 8 (7%)
 90–120 10 (8%)
  > 120 10 (8%)
 Sample Size 45 (5–2026)
 Age, ya 35.4 (5–72)
 % Malea 62.6%
 BMI, kg/m2a 25.8 (18–35)
Study Population
 Adults 181 (90%)
 Children 11 (5%)
 Adolescents 3 (1.5%)
 Mixed 7 (3.5%)
Baseline Health Status
 Healthy 104 (52%)
 Overweight/Obese 24 (12%)
 Diabetes 51 (25%)
 Other 23 (11%)
  1. aData missing for age: n = 13,% male: n = 17, and BMI: n = 114. The unit of analysis is one study