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Index de Enfermería

versión On-line ISSN 1699-5988versión impresa ISSN 1132-1296

Resumen

CRUZ CASTRUITA, Rosa María; SALAZAR GONZALEZ, Bertha Cecilia; CEBALLOS GURROLA, Oswaldo  y  CRUZ CASTRUITA, Evelyn Lizeth. Physical activity and immediate competing preferences and demands: Instrument development and psychometric properties. Index Enferm [online]. 2012, vol.21, n.1-2, pp.69-72. ISSN 1699-5988.  http://dx.doi.org/10.4321/S1132-12962012000100015.

Objective: to develop and validate two instruments that measure competing preferences and demands that may interfere with physical activity of young students and to describe psychometric properties. Methods: Methodological design to develop the instruments measure preferences and demands. The analysis includes a sample of 477 students from upper public high schools and university students. Systematic random sampling 1 in k (range 57-99) was used. Results: The competing preferences instrument showed a Cronbach alpha of .840 and the competing demands of .849. Factor analysis, using principal components and varimax rotation revealed eight factors on that the preferences instruments, explaining 48.27% of total variance. Five factors were extracted from the competing demands instrument, explaining 52.98% of the total variance. Conclusions: Results show preliminary validity, further testing is needed.

Palabras clave : Validation; Immediate preferences; Immediate demands; Physical activity.

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