Table 1.

Baseline characteristics of participants in the HUNT Study and UK Biobank

Characteristics	HUNT Study	UK Biobank
No of participants	56 150	366 385
No (%) of men	26 447 (47.1)	168 171 (45.9)
Mean (SD) age at baseline (years)	49.6 (16.6)	56.7 (8.0)
No of deaths	12 015	10 344
Mean (SD) body mass index	26.3 (4.1)	27.4 (4.8)
Median follow-up (years)	18.5	7.0
No (%) of ever smokers	31 388 (55.9)	168 903 (46.1)