Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Frequency of subjects in various family structures with no suicide attempt according to age (year) among boys and girls. The log-rank test for equality of the “survivor functions” (for suicide attempt) was nonsignificant for boys (P = 0.279) and highly significant for girls (P < 0.0001).
