Table 1.

Main characteristics of a cohort of individuals exposed under age of 18 years in Belarus to the Chernobyl fallout, follow-up 01.01.1997 – 31.12.2011

Characteristic	# of subjects	%	PYR
Sex
Men	5,752	48.6	69,521
Women	6,095	51.4	73,447
Oblast of residence at the time of screening
Gomel	7,275	61.4	87,486
Minsk including Minsk city	3,500	29.6	42,417
Mogilev	613	5.2	7,467
Other	459	3.9	5,598
Age at the time of the accident, years
0 – 9	7,359	62.1	89,679
10 – 14	3,111	26.3	37,025
15 – 18	1,377	11.6	16,264
Median age at the time of the accident, years (IQR)	7.9 (8.4)
Median attained age, years (IQR)	33.4 (8.5)
Total	11,847	100.0	142,968

PYR, person-years at risk; IQR, interquartile range