correlational
Analysis v1
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For every extra kilogram of weight gained, middle-aged men have a 7.3% higher chance of developing diabetes. This finding is from the abstract summary - full study details were not available
Scientific Claim
Each kilogram of weight gain is associated with a 7.3% higher risk of diabetes in middle-aged US men.
Original Statement
“Weight gain was monotonically related to risk, and for every kilogram of weight gained, risk increased by 7.3%.”
Evidence Quality Assessment
Claim Status
overstated
Study Design Support
Design supports claim
Appropriate Language Strength
association
Can only show association/correlation
Assessment Explanation
The abstract uses 'increased' which implies causation, but the study is observational, so it should use 'associated with' to reflect the correct verb strength.
Evidence from Studies
Supporting (1)
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Changes in body weight and body fat distribution as risk factors for clinical diabetes in US men.
Cohort Study
Human
2004 Jun 15Contradicting (0)
0
No contradicting evidence found