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Table 2 Design effects for BMI, WC and WC above threshold NBPW 2009*

From: Need for weight management in Switzerland: findings from National Blood Pressure Week 2009

type of estimate average DEFF max DEFF min DEFF average DEFT
BMI     
   male & female 1.8 9.3 0.4 1.2
   female 1.0 2.0 0.4 1.0
   male 2.7 9.3 0.6 1.5
WC     
   male & female 1.9 9.8 0.5 1.2
   female 1.1 2.1 0.5 1.0
   male 2.7 9.8 0.6 1.5
WC > = 94 (80)     
   male & female 2.0 9.4 0.5 1.3
   female 1.1 1.8 0.5 1.0
   male 2.9 9.4 0.8 1.5
  1. *Average DEFF (design effect) and DEFT (square root of design effect) values are grand means based on the arithmetic means of the age and gender groups. Source: National Blood Pressure Week 2009, pharmaSuisse.