Table 1

Reference population and sample used in the validation study: case ascertainament and sources of information (%). EPIC-Murcia cohort

Number (%)
People enrolled in the EPIC-Murcia cohort living in the source population of Alcantarilla1402
Sample315  (22.5)
Cases with medical record248 (78.7)
Cases with no medical record1-150 67 (21.3)
 with a physician assigned38 (12.0)
 with no physician assigned29 (9.2)
Self reported high blood pressure (HBP) in the EPIC questionnaire1-151 68 (27.4)
HBP in medical record1-151 85 (34.3)
 definite HBP cases66 (26.6)
 possible HBP cases19 (7.7)
Self reported HBP cases confirmed by medical record1-152 54 (79.4)
Sources that provide any information1-153 1-154
more than one source54 (63.5)
 only recorded HBP but without medical diagnosis19 (22.4)
 only a medical diagnosis of HBP (with/without recorded HBP)11 (13.0)
 only HBP control programme1 (1.2)

  • ↵1-150 Based on 315 selected cases;

  • ↵1-151 based on 248 found cases;

  • ↵1-152 based on 68 self reported HBP cases;

  • ↵1-153 based on 85 cases with HBP in the medical record;

  • ↵1-154 see text for details.