Validity over time of self-reported anthropometric variables during follow-up of a large cohort of UK women

Table 1 Timeline of collection of anthropometric variables

	Year (mean)	Anthropometric variables collected
1st (recruitment) questionnaire^a	1999	Self-reported weight and height
2nd questionnaire^a	2002	Self-reported weight, waist and hips
3rd questionnaire^a	2006	Self-reported weight, waist and hips
Additional questionnaire	2008	Self-reported weight, height, waist^b and hips^b
Examination	2008	Measured weight, height, waist^b and hips^b

ISSN: 1471-2288