Table 4

Specificity and predictive value negative (PVN) of overweight or obesity defined as body mass index >= 25 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
89
85
82

PVN
90
89
74
60+y
Specificity
93
86
89

PVN
77
84
69
Women




20–59y
Specificity
97
94
93

PVN
91
83
64
60+y
Specificity
98
91
91

PVN
78
63
51
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