Table 1

Self-reported BMI category vs BMI category as calculated from measured data
Self-reported BMI category
Actual BMI category Normal(n) Overweight (n) Obese (n) Total
Normal 2 1¤ 0¤ 3
Borderline N/OW* 1 6 0¤ 7
Overweight 4§ 40 6¤ 50
Borderline OW/OB* 0§ 20 6 26
Obese 0§ 19§ 173 192
Total 7 86 185 278

*Categories represent those within 2 kg of cutoffs for normal and overweight (N/OW), and overweight and obese (OW/OB).

Notes for table

§ represents participants who under-report their BMI and ¤ represents those who over-report their BMI, after allowing for 2 kg margins of error.

Hernan et al.

Hernan et al. BMC Public Health 2012 12:510   doi:10.1186/1471-2458-12-510

Open Data