Table 5: Risk factors and standardization of risk factors.

Risk factorsStandardization

BMIBMI of < 23 as 0BMI of < 25 and ≥23 as 1;
BMI of ≥ 25 as 2
WHRWHR of < 0.9 (man);
WHR of < 0.85 (women) as 0
WHR ≥ 0.9 (man);
WHR ≥ 0.85 (woman) as 1
WHtRWHtR of < 0.5 as 0WHtR ≥ 0.5 as 1