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.
(*) El tamaño de la muestra solo procede en los datos de comorbilidades y hábitos tóxicos, 4.000 personas; (**) ASPB: Agencia de Salud Pública de Barcelona; INE: Instituto Nacional de Estadística; Inst Mpal: Instituto Municipal.
