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Fasting respiratory quotient as a predictor of weight changes in non-obese women
1Dipartimento di Medicina Clinica e Sperimentale, Università degli Studi FEDERICO II, Napoli, Italy.
Objective:
To detect predictive variables of weight changes in non-obese women.
Design:
Three year follow-up study.
Subjects:
Fifty-eight women (age 40.0+/-12.8 y, height 159+/-7 cm, weight 62.5+/-9.6 kg and body mass index ((BMI) 24.7+/-3.7 kg/m2).
Measurements:
At baseline, basal metabolic rate (BMR) and respiratory quotient (RQ) by indirect calorimetry. Weight and BMI at baseline and after 3 y.
Results:
In both univariate and multivariate analyses, age and RQ at baseline were significant predictors (P<0.05) of subsequent changes in weight and BMI.
Conclusion:
In non-obese women, RQ and age are independent predictors of subsequent weight changes.