Coding and Laboratory Procedures


An explanation of coding undertaken is available in the Technical Report.


Coding on reponses to questions on pain were coded under the direction of Professor Gary Macfarlane at Aberdeen University and the coding diagram is available to download from this page

Laboratory Procedures

Extracted blood was analysed for a range of biochemical markers. These measurements are included within the dataset.

  • C reactive protein
  • Fibrinogen
  • HbA1c
  • HDL cholesterol
  • IGF Specific IgE
  • T cholesterol
  • Total IgE
  • tissue Plasminogen Activator
  • Trigycerides
  • Von Willebrand Factor
  • Serum 25-Hydroxyvitamin D

The assay for Serum 25-Hydroxyvitamin D is reported in HYPPONEN, E., TURNER, S., CUMBERLAND, P., POWER, C. and GIBB, I. (2007) Serum 25-hydroxyvitamin D measurement in a large population survey with statistical harmonization of assay variation to an international standard. Harmonization of 25(OH)D in a large survey Journal of Clinical Endocrinology & Metabolism, 92(12), 4615-4622