Analysis Version
v1
History
Back to Study: Effect of Body Weight, Waist Circumference and The...
correlational
Analysis v1
46
Pro
0
Against

For older adults, both very small and very large changes in waist size are linked to higher death rates, forming a U-shaped pattern.

Scientific Claim

Waist circumference changes exhibit a U-shaped association with all-cause mortality in older adults.

Original Statement

“U-shape of waist change for all-cause mortality was observed.”

From study:Effect of Body Weight, Waist Circumference and Their Changes on Mortality: A 10-Year Population-Based Study

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

association

Can only show association/correlation

Assessment Explanation

The claim uses 'exhibit a U-shaped association' which correctly describes the observational finding without implying causation.

Evidence from Studies

Supporting (1)

46
46

Effect of Body Weight, Waist Circumference and Their Changes on Mortality: A 10-Year Population-Based Study

Cohort Study
Human
2018

Contradicting (0)

0
No contradicting evidence found

Source Study

Effect of Body Weight, Waist Circumference and Their Changes on Mortality: A 10-Year Population-Based Study

Score: 46
DOI: 10.1007/s12603-018-1042-4

Similar Assertions

Older adults who lose more than 5% of their waist size are more likely to die within the study period compared to those whose waist size stays stable.

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Gaining weight or increasing waist size didn't significantly affect the risk of death compared to stable weight or waist size in older adults.

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In heart disease patients, larger waist sizes are linked to higher risk of dying from heart-related causes, with the biggest risk in those with the largest waist measurements.

59
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Older Chinese people without high blood pressure who have a larger waist size (over 90 cm for men or 85 cm for women) are slightly less likely to die from any cause compared to those with normal waist size.

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Increased waist circumference is associated with a higher risk of metabolic disease and mortality, independent of total body weight.

48
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