How many calories do nurses burn at work? A real-time study of nurses’ energy expenditure

Julia Allan (Corresponding Author), Klaudia Sadko, Cheryl Bell, Derek Johnston

Research output: Contribution to journalArticle

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Abstract

Background
Nurses have high rates of overweight and obesity, and physical inactivity is one key determinant of weight gain.

Aims
The present study aims to quantify nurses’ energy expenditure over a standard 12-hour shift to establish whether activity levels at work are too low to maintain a healthy body weight.

Methods
Ward-based nurses (n = 96, 90 female, mean age = 36 years, mean experience = 10 years, mean body mass index = 26.6) wore heart rate and physical activity monitors for the duration of one full working shift. Heart rate and activity data were used in combination with demographic information to estimate each nurse’s energy expenditure over 12 hours.

Results
On average, nurses burned 2.12 kcals per minute while at work, equating to 1521 kcals/6364 kJ (SD = 403 kcals/1686 kJ) per 12-hour shift. Energy expenditure over 12 hours varied markedly between nurses (from 812 kcals/3397 kJ to 3005 kcals/12,573 kJ) but was sufficient in 72% of participants (assuming minimal resting levels of energy expenditure for the 12 hours not at work) to burn off a daily calorie intake of 2000 kcals.

Conclusions
Three-quarters of nurses expend more energy on working days than is required to maintain a healthy body weight if dietary intake does not exceed recommended levels.
Original languageEnglish
Pages (from-to)488-197
Number of pages10
JournalJournal of Research in Nursing
Volume24
Issue number7
Early online date29 Apr 2019
DOIs
Publication statusPublished - 1 Nov 2019

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Time and Motion Studies
Energy Metabolism
Nurses
Heart Rate
Body Weight
Weight Gain
Body Mass Index
Obesity
Demography
Exercise

Keywords

  • energy expenditure
  • exercise
  • nurses
  • obesity
  • physical activity

ASJC Scopus subject areas

  • Research and Theory

Cite this

How many calories do nurses burn at work? A real-time study of nurses’ energy expenditure. / Allan, Julia (Corresponding Author); Sadko, Klaudia; Bell, Cheryl; Johnston, Derek.

In: Journal of Research in Nursing, Vol. 24, No. 7, 01.11.2019, p. 488-197.

Research output: Contribution to journalArticle

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abstract = "BackgroundNurses have high rates of overweight and obesity, and physical inactivity is one key determinant of weight gain.AimsThe present study aims to quantify nurses’ energy expenditure over a standard 12-hour shift to establish whether activity levels at work are too low to maintain a healthy body weight.MethodsWard-based nurses (n = 96, 90 female, mean age = 36 years, mean experience = 10 years, mean body mass index = 26.6) wore heart rate and physical activity monitors for the duration of one full working shift. Heart rate and activity data were used in combination with demographic information to estimate each nurse’s energy expenditure over 12 hours.ResultsOn average, nurses burned 2.12 kcals per minute while at work, equating to 1521 kcals/6364 kJ (SD = 403 kcals/1686 kJ) per 12-hour shift. Energy expenditure over 12 hours varied markedly between nurses (from 812 kcals/3397 kJ to 3005 kcals/12,573 kJ) but was sufficient in 72{\%} of participants (assuming minimal resting levels of energy expenditure for the 12 hours not at work) to burn off a daily calorie intake of 2000 kcals.ConclusionsThree-quarters of nurses expend more energy on working days than is required to maintain a healthy body weight if dietary intake does not exceed recommended levels.",
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note = "Funding The author(s) disclosed receipt of the following financial support for the research, authorship and/or publication of this article: These data were collected as part of a Scottish Government Chief Scientist Office funded study (CZH/4/460). Julia Allan is currently (2018) an Royal Society of Edinburgh (RSE) sabbatical grant holder.",
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N1 - Funding The author(s) disclosed receipt of the following financial support for the research, authorship and/or publication of this article: These data were collected as part of a Scottish Government Chief Scientist Office funded study (CZH/4/460). Julia Allan is currently (2018) an Royal Society of Edinburgh (RSE) sabbatical grant holder.

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N2 - BackgroundNurses have high rates of overweight and obesity, and physical inactivity is one key determinant of weight gain.AimsThe present study aims to quantify nurses’ energy expenditure over a standard 12-hour shift to establish whether activity levels at work are too low to maintain a healthy body weight.MethodsWard-based nurses (n = 96, 90 female, mean age = 36 years, mean experience = 10 years, mean body mass index = 26.6) wore heart rate and physical activity monitors for the duration of one full working shift. Heart rate and activity data were used in combination with demographic information to estimate each nurse’s energy expenditure over 12 hours.ResultsOn average, nurses burned 2.12 kcals per minute while at work, equating to 1521 kcals/6364 kJ (SD = 403 kcals/1686 kJ) per 12-hour shift. Energy expenditure over 12 hours varied markedly between nurses (from 812 kcals/3397 kJ to 3005 kcals/12,573 kJ) but was sufficient in 72% of participants (assuming minimal resting levels of energy expenditure for the 12 hours not at work) to burn off a daily calorie intake of 2000 kcals.ConclusionsThree-quarters of nurses expend more energy on working days than is required to maintain a healthy body weight if dietary intake does not exceed recommended levels.

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