Misclassification of high-risk older subjects using waist action levels established for young and middle-aged adults—results from the Rotterdam Study

A Molarius, J C Seidell, T L Visscher, A Hofman
Journal of the American Geriatrics Society 2000, 48 (12): 1638-45

OBJECTIVES: In the literature, cutoff points based on waist circumference (waist action levels) have been suggested to replace cutoff points based on body mass index (BMI) and waist-hip ratio (WHR) in identifying subjects who are overweight or obese and/or with central fat distribution. These cutoff points have been based on analysis in mainly middle-aged and younger adults. In this article, we examine the applicability of the suggested waist action levels in an older population.

PARTICIPANTS: A total of 6,423 men and women aged 55 or over participating in the Rotterdam Study, a population-based cohort study.

MEASUREMENTS: Sensitivities and specificities of the proposed waist action levels in relation to the cutoff points for BMI and WHR were calculated. Also, cardiovascular risk factor levels at baseline examination in the different categories defined by high/low waist circumference, BMI and WHR were investigated.

RESULTS: At waist action level 1 (waist circumference > or =94 cm in men, > or =80 cm in women), sensitivity was 71% in men and 86% in women for detecting those with high BMI (> or =25 kg/m2) and/or WHR (> or =0.95 in men, > or =0.80 in women). At waist action level 2 (waist circumference > or =102 cm in men, > or =88 cm in women in comparison with BMI > or =30 kg/m2 and/or WHR > or =0.95 in men, > or =0.80 in women), sensitivity was considerably lower: 35% in men and 59% in women. This was mainly due to a large proportion of subjects with low waist and BMI but high WHR. Specificity was high (>90%) at both action levels. Cardiovascular disease risk factors, except smoking, tended to increase with increasing waist circumference, WHR, and BMI.

CONCLUSIONS: The suggested cutoff points for waist circumference are only to a limited degree useful in identifying subjects with overweight and obesity and/or central fat distribution in an older population. This concerns especially the upper cutoff point (waist action level 2) and is mainly due to the increased central distribution of fat with advancing age.

Full Text Links

Find Full Text Links for this Article


You are not logged in. Sign Up or Log In to join the discussion.

Trending Papers

Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"