Table 6

Specificity and predictive value negative (PVN) of obesity defined as body mass index >= 30 kg/m2) calculated from self-reported height and weight by gender, age, and ethnicity: NHANES III.(weighted)



Ethnicity



EA
AA
MA

Men




20–59y
Specificity
99
97
96

PVN
95
94
94
60+y
Specificity
99
97
96

PVN
91
91
92
Women




20–59y
Specificity
99
97
98

PVN
93
88
83
60+y
Specificity
99
96
98

PVN
90
84
81
N

6846
4431
3748

EA, Non-Hispanic European American, AA, Non-Hispanic African American, MA, Mexican American

Gillum and Sempos Nutrition Journal 2005 4:27   doi:10.1186/1475-2891-4-27