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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