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Minnesota Leisure Time Activity Questionnaire and Doubly Labeled Water in Adolescents

SLINDE, FRODE; ARVIDSSON, DANIEL; SJÖBERG, AGNETA; ROSSANDER-HULTHÉN, LENA

Medicine & Science in Sports & Exercise: November 2003 - Volume 35 - Issue 11 - p 1923-1928
doi: 10.1249/01.MSS.0000093608.95629.85
APPLIED SCIENCES: Physical Fitness and Performance

SLINDE, F., D. ARVIDSSON, A. SJÖBERG, and L. ROSSANDER-HULTHÉN. Minnesota Leisure Time Activity Questionnaire and Doubly Labeled Water in Adolescents. Med. Sci. Sports Exerc., Vol. 35, No. 11, pp. 1923–1928, 2003.

Purposes To validate the energy expenditure estimated from The Minnesota Leisure Time Physical Activity Questionnaire (MLTPAQ) with total energy expenditure (TEE) measured by doubly labeled water (DLW), and to present and examine the validity of an extended version of the MLTPAQ with additional questions about inactivity during leisure time (eMLTPAQ), in a sample of Swedish 15-yr-old adolescents.

Methods Thirty-five 15-yr-old adolescents were interviewed using the eMLTPAQ. In addition to anthropometry, indirect calorimetry was measured to assess basal metabolic rate, and TEE was assessed by the DLW method over a 14-d period.

Results Energy expenditure calculated from MLTPAQ correlated well with TEEDLW (r = 0.49, P < 0.01), and the correlation increased when including questions about inactivity (r = 0.73, P < 0.01). However, eMLTPAQ underestimated TEE in 34 of the 35 students, with a mean difference between the methods of 2.8 MJ·d−1 (95% limits of agreement: −0.1 to 5.6 MJ·d−1), which mainly was explained by a relative high intensity in the time which remained unreported.

Conclusion eMLTPAQ is valid in ranking adolescents energy expenditure and in describing patterns of leisure time physical activities.

Department of Clinical Nutrition, Sahlgrenska Academy at Göteborg University, Göteborg, SWEDEN

Address for correspondence: Frode Slinde, Dept. of Clinical Nutrition, Sahlgrenska Academy at Göteborg University, P.O. Box 459, 405 30 Göteborg, Sweden; E-mail: frode.slinde@nutrition.gu.se.

Submitted for publication March 2003.

Accepted for publication July 2003.

©2003The American College of Sports Medicine