Validation of the WHOQOL-BREF Quality of Life Questionnaire in an Urban Sample of Older Adults in a Neighbourhood in Zaragoza (Spain).

Background: Nowadays, the increase in life expectancy needs to be matched by an increase in the wellbeing of older adults. A starting point is the definition of what is understood by health-related quality of life and its measurement in different contexts. Our research translates these international priorities to a local base.

[Cross-cultural adaptation of the KIDSCREEN questionnaire to measure health-related quality of life in the 8 to18 year-old Mexican population].

The scope of this study was to develop the culturally-adapted version of the KIDSCREEN-52 questionnaire for Mexican adolescents aged 8 to 18, and to analyze its reliability and validity. A translation and back translation was carried out from English to Spanish and vice versa. Cognitive interviews were conducted and confirmatory factor analysis (CFA) was used to verify the content validity of the questionnaire.

[Perceived or BMI-measured overweight and weight control behaviors in undergraduate adolescents from Ciudad Guzmán, Jalisco, México].

The aim was to evaluate associations between weight control behaviors and overweight measured by BMI, overweight perception or inaccurate weight perception. 492 undergraduate adolescents from 17 to 19 years old participated in the study. A self-administered questionnaire on line was applied and weight and height were measured.

[Residential typologies in Chilean irregular settlements with precarious housing conditions].

Objective: To identify residential parameters that characterize the physical and social environment in Chile's irregular settlements, and to construct typologies that will allow to develop profiles with those distinctive residential attributes.

Methods: The study examined the universe of irregular settlements (n = 122) in Chile's Metropolitan Region, based on the 2007 national inventory of irregular settlements conducted by the "Un Techo para Chile" foundation. Information about the communities and their locations was obtained from key informants, and these variables were modeled using factor analysis to identify residential parameters, which were then refined by k-means clustering.

[Quality of life according to self-perceived weight, weight control behaviors, and gender among adolescent university students in Mexico].

Unlabelled: The aim of this study was to analyze quality of life (QoL) according to self-perceived weight and weight control behaviors, by gender. The sample consisted of 2,401 adolescent students (17-19 years of age) enrolled from 2007 to 2009 at a Mexican university; 61.9% were women, 19.