Sources of perceived sociocultural pressure on physical self-concept.

Background: The aim of this study is to analyze the four-factor structure (advertising, information, family environment and friendship setting) of the Cuestionario de Influjos Socioculturales sobre el Autoconcepto Físico (CIAF) [Sociocultural Influences on Physical Self-concept Questionnaire] and its invariance in relation to sex, age and physical activity.

Method: Participants were 579 students (339 men and 240 women) aged between 12 and 23, divided into three groups (137 under 14 years, 338 aged between 15 and 18 and 104 over 18 years). All completed the CIAF.

[Physical self-perceptions in adulthood and old age].

The aim of this work is to confirm the tetra-factorial validity of the Cuestionario de Autoconcepto Físico (CAF [in English, the Physical Self-concept Questionnaire]) in adulthood and old age from the responses of 1,114 people (39.50% men and 60.50% women), divided into four age groups (24 to 34 years, n= 390; 35 to 49 years, n= 277; 50 to 64 years, n= 330; and over 65, n= 117).