Drug: whether taking or using any medicines, pills, syrups, ointments, puffers or injections prescribed for them by a doctor or a nurse
Drug: whether taking statins (drugs to lower cholesterol) bought over the counter from a pharmacist, without prescription from a doctor
Blood pressure: whether done anything that will affect BP in last 30 minutes: eaten
Blood pressure: whether done anything that will affect BP in last 30 minutes: smoked
Blood pressure: whether done anything that will affect BP in last 30 minutes: drunk alcohol
Blood pressure: whether done anything that will affect BP in last 30 minutes: done vigorous exercise
Blood pressure: whether done anything that will affect BP in last 30 minutes: none of these
Blood pressure: reason why full set of BP measurements was not collected: problems with PC
Blood pressure: reason why full set of BP measurements was not collected: respondent upset/anxious/nervous
Blood pressure: reason why full set of BP measurements was not collected: error reading
Blood pressure: reason why full set of BP measurements was not collected: problems with cuff fitting/painful
Blood pressure: reason why full set of BP measurements was not collected: problems with equipment (not error reading)
Blood pressure: reason why full set of BP measurements was not collected: other reason(s) (specify at next question)
Blood pressure: problems taking BP readings: reading taken on left arm because right arm not suitable
Blood pressure: problems taking BP readings: respondent was upset/anxious/nervous
Blood pressure: problems taking BP readings: problems with equipment (not error reading)
Grip: reason why none or only some grip strength measurements obtained: respondent refusal
Grip: reason why none or only some grip strength measurements obtained: respondent in pain in hand/joints/muscles
Grip: reason why none or only some grip strength measurements obtained: equipment failure
Blood sample: other thing that respondent had to eat (if not followed fasting instructions)
Problems taking blood sample: some blood obtained, but respondent felt faint/fainted
Reasons for not obtaining blood sample: no suitable or no palpable vein/collapsed veins
Number series stopped/not conducted: physical disability made completing the test impossible
Wave 8 nurse weight (N.B. nurse sample drawn purposively - please treat this weight with caution)
Wave 8 blood weight (N.B. nurse sample drawn purposively - please treat this weight with caution)