Analysis of the stages of change model of drug and alcohol treatment readiness among prisoners.

A classification and regression tree (CART) analysis was applied to data for 237 male participants (M = 31.93 years, SD = 7.64) in a prison-based substance abuse treatment program to study the integrity of the Stages of Change model of treatment readiness.

[Familial tuberculosis: tracing the contacts of an infectious case].

Introduction: This is a prospective study of 30 cases of smear positive pulmonary tuberculosis, with at least two sputum positive members of the family, seen in the respiratory clinic between January 2003 and June 2004.

Methods: They constitute the index cases who represent 3.5% of the cases of tuberculosis (n=850) and 2.