Determining energy expenditure during some household and garden tasks

Simon Gunn, Anthony G. Brooks, Robert T. Withers, Christopher J. Gore, Neville Owen, Michael L. Booth, Adrian E. Bauman

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Purpose: This study: a) calculated the reproducibility (intraclass correlation coefficient, ICC) and precision (technical error of measurement, TEM) for V̇O2 during moderate paced walking, self-paced sweeping, window cleaning, vacuuming and lawn mowing; b) determined which of the five activities rated ≥ 3.0 when exercise intensity was calculated in METs (1 MET or metabolic equivalent = V̇O2 of 3.5 mL·kg-1·min-1) and multiples of the measured resting metabolic rate (RMR); and c) expanded the limited database on energy expenditure during household and garden activities. Methods: Twelve men and 12 women (mean ± SD: 39.3 ± 3.4 yr; 171.6 ± 9.6 cm; 81.0 ± 15.5 kg) were measured for RMR and V̇O2 during the five activities on two separate days via indirect calorimetry by using the Douglas bag method. Results: The interday ICCs and TEMs for the five activities ranged from 0.81 to 0.97 and from 2.1 to 7.0%, respectively. The means were significantly (P < 0.001) above 3.0 for moderate paced walking (range = 3.3-8.7), sweeping (2.9-6.7), window cleaning (3.0-6.0), vacuuming (2.6-4.4), and lawn mowing (4.9-7.5) when V̇O2 was divided by measured RMR, but one and five subjects scored below 3.0 for sweeping and vacuuming, respectively. Division of exercise V̇O2 convention of 3.5 mL O2·kg-1·min-1 significantly decreased (P < 0.001) each mean, and lawn mowing (5.0 METs) was the only activity where all subjects scored above 3.0 METs (P < 0.001; 3.8-6.4); nevertheless, the means for walking (3.7 METs), sweeping (3.2 METs), and window cleaning (3.6 METs) were also in the moderate intensity category of 3-6 METs. Conclusions: These data: a) emphasize that the V̇O2 during self-paced moderate intensity walking and self-paced household and garden activities can be measured with reproducibility and precision, b) demonstrate that expressing energy expenditure in conventional METs yields lower values than when it is presented as a multiple of measured RMR, c) suggest that all activities except vacuuming are performed at moderate intensity when energy expenditure is expressed in conventional METs, and d) highlight the biological variability in energy expenditure when different people perform the same task.

LanguageEnglish
Pages895-902
Number of pages8
JournalMedicine and Science in Sports and Exercise
Volume34
Issue number5
DOIs
Publication statusPublished - 1 Jan 2002
Externally publishedYes

Keywords

  • Lawn mowing
  • MET
  • RMR
  • Sweeping
  • Vacuuming
  • Window cleaning

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Gunn, S., Brooks, A. G., Withers, R. T., Gore, C. J., Owen, N., Booth, M. L., & Bauman, A. E. (2002). Determining energy expenditure during some household and garden tasks. Medicine and Science in Sports and Exercise, 34(5), 895-902. https://doi.org/10.1097/00005768-200205000-00026
Gunn, Simon ; Brooks, Anthony G. ; Withers, Robert T. ; Gore, Christopher J. ; Owen, Neville ; Booth, Michael L. ; Bauman, Adrian E. / Determining energy expenditure during some household and garden tasks. In: Medicine and Science in Sports and Exercise. 2002 ; Vol. 34, No. 5. pp. 895-902.
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Determining energy expenditure during some household and garden tasks. / Gunn, Simon; Brooks, Anthony G.; Withers, Robert T.; Gore, Christopher J.; Owen, Neville; Booth, Michael L.; Bauman, Adrian E.

In: Medicine and Science in Sports and Exercise, Vol. 34, No. 5, 01.01.2002, p. 895-902.

Research output: Contribution to journalArticle

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T1 - Determining energy expenditure during some household and garden tasks

AU - Gunn, Simon

AU - Brooks, Anthony G.

AU - Withers, Robert T.

AU - Gore, Christopher J.

AU - Owen, Neville

AU - Booth, Michael L.

AU - Bauman, Adrian E.

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N2 - Purpose: This study: a) calculated the reproducibility (intraclass correlation coefficient, ICC) and precision (technical error of measurement, TEM) for V̇O2 during moderate paced walking, self-paced sweeping, window cleaning, vacuuming and lawn mowing; b) determined which of the five activities rated ≥ 3.0 when exercise intensity was calculated in METs (1 MET or metabolic equivalent = V̇O2 of 3.5 mL·kg-1·min-1) and multiples of the measured resting metabolic rate (RMR); and c) expanded the limited database on energy expenditure during household and garden activities. Methods: Twelve men and 12 women (mean ± SD: 39.3 ± 3.4 yr; 171.6 ± 9.6 cm; 81.0 ± 15.5 kg) were measured for RMR and V̇O2 during the five activities on two separate days via indirect calorimetry by using the Douglas bag method. Results: The interday ICCs and TEMs for the five activities ranged from 0.81 to 0.97 and from 2.1 to 7.0%, respectively. The means were significantly (P < 0.001) above 3.0 for moderate paced walking (range = 3.3-8.7), sweeping (2.9-6.7), window cleaning (3.0-6.0), vacuuming (2.6-4.4), and lawn mowing (4.9-7.5) when V̇O2 was divided by measured RMR, but one and five subjects scored below 3.0 for sweeping and vacuuming, respectively. Division of exercise V̇O2 convention of 3.5 mL O2·kg-1·min-1 significantly decreased (P < 0.001) each mean, and lawn mowing (5.0 METs) was the only activity where all subjects scored above 3.0 METs (P < 0.001; 3.8-6.4); nevertheless, the means for walking (3.7 METs), sweeping (3.2 METs), and window cleaning (3.6 METs) were also in the moderate intensity category of 3-6 METs. Conclusions: These data: a) emphasize that the V̇O2 during self-paced moderate intensity walking and self-paced household and garden activities can be measured with reproducibility and precision, b) demonstrate that expressing energy expenditure in conventional METs yields lower values than when it is presented as a multiple of measured RMR, c) suggest that all activities except vacuuming are performed at moderate intensity when energy expenditure is expressed in conventional METs, and d) highlight the biological variability in energy expenditure when different people perform the same task.

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