The Best Data Available from Large Study of Such Deaths

The best data available from large study of such deaths (n=132) establish that

A) age of persons concentrated in one age cohort: males 30-39 (n=59) , followed by males 20-29 (n=33) , scattered across other age groups.
B) age of persons concentrated in one age cohort: males 40-49 (n=47) , white male teens (n=21) , males 20-29 (n=23) , males 30-39 (n=13) .
C) age of persons concentrated in teen age group: while male teens largest category (n=63) , followed by males 20-29 (n=31) .
D) age of persons strongly represented across three age cohorts: white male teenagers (n=37) , males 20-29 (n=43) , males 30-39 (n=31) .