Periodontitis and nosocomial lower respiratory tract infection: preliminary findings.

Aim: To evaluate the possible association between periodontitis and nosocomial lower respiratory tract infection (LRTI).

Material And Methods: A case-control study was conducted at a General Hospital in Feira de Santana, Bahia, Brazil. The sample consisted of 103 individuals: 22 cases (presence of nosocomial LRTI) and 81 controls (absence of nosocomial LRTI).

[Experimentation and regular use of alcoholic beverages, cigarettes and other Psychoactive Substances (PAS) during adolescence].

Objective: To analyze the use of alcoholic beverages, cigarettes, other psychoactive substances - PAS , among adolescents of public schools of Feira de Santana, Bahia/Brazil.

Method: Cross sectional study with random samples, stratified in terms of conglomerate units (schools and students). The sample of the study totalled 1,409 adolescents between 14 and 19 years old from 10 public schools; 30% of the total of schools of the municipality with 500,000/inhabitants.

[Adolescents' knowledge about adolescence, puberty and sexuality].

Objective: The objective of this research was to evaluate the level of knowledge about adolescence, pubertal development and sexuality among adolescents from 10 to 14 years old at municipal public schools in Feira de Santana-Bahia, 2000.

Methods: Cross-sectional study, with a randomized and proportional sample out of a population of 6,419 students in the municipal Public System. The level of knowledge was analyzed according to age, sex and educational level.