Reidpath Daniel D, Cheah Julius Chee-Ho, Lam Fui-Ching, Yasin Shahjahan, Soyiri Ireneous, Allotey Pascale
South East Asia Community Observatory (SEACO), School of Medicine and Health Sciences, Monash University, Bandar Sunway, Selangor DE, Malaysia.
Nutr J. 2013 Oct 5;12:135. doi: 10.1186/1475-2891-12-135.
Measures of central adiposity are better predictors of adverse health events than BMI. Nonetheless, BMI is more widely used in health research. One reason for this may be the limited research supporting the self-measurement of waist and hip circumference. The lack of validity studies is particularly acute in Asia. The main objective was to establish the validity of self-measurement of waist and hip circumference in a community setting and the correlation of those measures with BMI, blood pressure, and blood glucose levels.
A community based, cross-sectional survey. A "healthy living expo" at a shopping mall in a rural town on peninsular Malaysia One hundred and thirty six (136) individuals volunteered to participate in the study, 125 of whom met the inclusion criteria. The ethnic distribution of the participants was 80% Chinese, 17% Malay and 3% Indian. Most participants were female (60%), with participants' ages ranging from 18 to 78 years (mean, 47.2). Self and assisted measurements of waist and hip were taken. Blood pressure, non-fasting blood glucose, height, and weight were also measured. Bland Altman plots and Lin's concordance coefficient were used to measure agreement between self and assisted measures. Pearson's correlation was used to examine the association of self and assisted measures with blood pressure, blood glucose, and BMI.
There was a downwards bias in self measured waist (-0.81 cm) and hip (-1 cm) circumferences compared with assisted measures. The concordance for the self and assisted measures of waist, hip and the ratio of the two were, respectively, .96, .93 , and .84. The correlation between measures of central adiposity and BMI, blood pressure and blood glucose were similar for self and assisted measures.
The results provide additional support for the use of self-measurement of waist and hip circumference studies of central adiposity, but is limited by the specificity of the setting.
与体重指数（BMI）相比，中心性肥胖指标能更好地预测不良健康事件。尽管如此，BMI在健康研究中应用更为广泛。其原因之一可能是支持自我测量腰围和臀围的研究有限。在亚洲，有效性研究的缺乏尤为突出。主要目的是在社区环境中确定自我测量腰围和臀围的有效性，以及这些测量值与BMI、血压和血糖水平的相关性。
一项基于社区的横断面调查。在马来西亚半岛一个乡村小镇的购物中心举办的“健康生活博览会”。136人自愿参与研究，其中125人符合纳入标准。参与者的种族分布为80%华人、17%马来人和3%印度人。大多数参与者为女性（60%），年龄在18至78岁之间（平均47.2岁）。进行了腰围和臀围的自我测量及辅助测量。还测量了血压、非空腹血糖、身高和体重。采用布兰德-奥特曼图和林氏一致性系数来衡量自我测量和辅助测量之间的一致性。采用皮尔逊相关性分析来检验自我测量和辅助测量与血压、血糖和BMI之间的关联。
与辅助测量相比，自我测量的腰围（-0.81厘米）和臀围（-1厘米）存在向下偏差。腰围、臀围及其两者比值的自我测量与辅助测量的一致性分别为0.96、0.93和0.84。中心性肥胖指标与BMI、血压和血糖之间的相关性在自我测量和辅助测量中相似。
研究结果为在中心性肥胖研究中使用自我测量腰围和臀围提供了更多支持，但受研究环境特异性的限制。
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