Ambient PM2.5 in Latin American cities

The spatial structure of Latin American cities.

"Using published census data, metropolitan area population and employment statistics are constructed for several large Latin American cities in 1950, 1960, and 1970, and compared to similar statistics from selected North American cities. The Latin cities are experiencing decentralization of population and some decentralization of employment. Overall population density patterns of large Latin ci...

Understanding Past and Present Changes in Latin American Cities

Prevalence of sleep related symptoms in four Latin American cities.

STUDY OBJECTIVES to estimate the prevalence of the most common sleep related symptoms (SRS) in the metropolitan areas of Mexico City, Montevideo (Uruguay), Santiago (Chile), and Caracas (Venezuela). METHODS The study consisted of a multistage cluster sampling of adults aged > or = 40 years living in metropolitan areas. All participants completed a questionnaire on sleep related symptoms. Simp...

Tobacco smoking in seven Latin American cities: the CARMELA study

OBJECTIVE This study aimed to explore tobacco smoking in seven major cities of Latin America. METHODS The Cardiovascular Risk Factor Multiple Evaluation in Latin America (CARMELA) study is a cross-sectional epidemiological study of 11 550 adults between 25 and 64 years old in Barquisimeto, Venezuela; Bogota, Colombia; Buenos Aires, Argentina; Lima, Peru; Mexico City, Mexico; Quito, Ecuador; a...

Diagnostic labeling of COPD in five Latin American cities.

BACKGROUND COPD is a major worldwide problem with a rising prevalence. Despite its importance, there is a lack of information regarding underdiagnosis and misdiagnosis of COPD in different countries. As part of the Proyecto Latinoamericano de Investigación en Obstrucción Pulmonar study, we examined the relationship between prior diagnostic label and airway obstruction in the metropolitan areas ...