Study protocol: the Whitehall II imaging sub-study

BMC Psychiatry

Table 1 Phases of Whitehall II with available measures

	Phase 1 1985-88	Phase 3 91-93	Phase 5 97-99	Phase 7 03-04	Phase 9 07-09	Phase 11 12-13
*Ages [years]*	35-55	39-64	45-69	50-74	55-79	60-85
*Participants [n]*	10308	8637	7830	6967	6755	6035
*Social circumstances & behaviour, smoking, alcohol, exercise, sleep diet*	×	×	×	×	×	×
*Biological measures: blood pressure, BMI, lipids, glucose, insulin, stored blood (−80C)*	×	×	×	×	×	×
*2-h oral glucose tolerance test*	--	×	×	×	×	×
*Inflammatory markers*	--	×	×	×	×	--
*Autonomic (HRV)*	--	--	×	×	×	×
*Genetic material*	--	--	--	×	×	×
*Psychosocial factors: work, social support, − participation, care provision*	×	×	×	×	×	×
*Health outcomes: CHD, stroke, diabetes, cancer, mortality, medications*	×	×	×	×	×	×
*Function: physical, social & mental*	×	×	×	×	×	×
*Cognitive tests, physical/lung function tests*	--	--	×	×	×	×

ISSN: 1471-244X