Introduction: Drug abuse is a public health problem worldwide and has increased in developing countries. Illegal drugs such as marihuana and inhalants (terokal, PVC, benzene and/or acetone) are consumed increasingly at younger ages. Objectives: To determine the epidemiology, personal, scholastic and familial factors (parental involvement with their children's activities) associated to marihuana and inhalants use by high school students in Metropolitan Lima and Callao. Design: Analytical and transversal study. Setting: Metropolitan Lima and Callao. Participants: Five thousand six hundred and forty-seven high school 2nd, 4th and 5th year students. Interventions: Review and analysis of the "Prevention and drug use by high school students” national study database conducted by the National Commission for Development and Life without Drugs 2005. Results: Lifetime prevalence of illicit drug u...

Objective: To determine the ability of two self-report questionnaires to detect depressive symptoms in the same pregnant women population. Design: Analytic, observational, cross sectional study. Setting: Instituto Nacional Materno Perinatal de Lima, Peru. Participants: Three hundred and seven pregnant women with no psychiatric history diagnosis attended during May-June 2008. Instruments: Edinburgh postnatal depression scale (EPDS) and Beck depression inventory (BDI-II). Results: Both scales had high average: 11,36 for EPDS (range: 0-26) and 15,96 for BDI-II (range 0-47). Internal consistencies were high (Cronbach’s alpha for EPDS was 0,826 and 0,815 for BDI-II). The Pearson correlation coefficient between both questionnaires was 0,541 (p<0,001). Conclusions: The study shows that both Edinburgh postnatal depression scale and beck depression inventory present high internal consistency...