Assessing the Impact of Rotational and Shift Work on Sleep, Activity, Energy Balance, and Food Choice in Adults

NCT05652842 | Unknown

• 2 other identifiers: 2022.13420230493
• Study Type: observational
• Target: 45
• Locations: 1 country
• Sites: 1

Brief Summary

The goal of this observational study is to compare different work schedules in adults above 30 years of age. Shift and rotational work have become increasingly common owing to the demand for 24/7 availability, especially in the province of Newfoundland, where a large cohort of workers are involved in shift working hours. There is an emerging body of evidence linking shift work with adverse health outcomes, including cardiovascular diseases, type 2 diabetes, cancer, and obesity. Short and poor-quality sleep usually results from repeated exposure to shift work, leading to disturbed circadian rhythms and energy balances. The main question this study aims to answer is the effect of shift and rotational work on physical activity, sleep and food choices in adults. Participants are required to do the following:

1. 1.Wearing an actigraphy watch, which is very similar to any other wristwatch, for seven days to objectively record their physical activity and sleep.
2. 2.Participants will be asked to do two 24-hour food recalls using Automated Self-Administered 24-hour (ASA24), a free dietary assessment web-based tool.
3. 3.Fill out a few questionnaires regarding demographics, chronotype (evening or morning preference), work schedule, sleep quality, stress levels, and physical activity levels.

Conditions

Life Style; Shift-Work; Food Preferences

Keywords

Shift work; Lifestyle; Food choice; Physical activity; Sleep

Outcome Measures

Primary Outcomes (2)

• Food Intake

  Two online 24-hour food recalls using Automated Self-Administered Dietary Assessment Tool(ASA24). ASA24 is a free web-based application that allows for numerous automatically coded self-administered 24-hour recalls and dietary records for epidemiologic, interventional, behavioural, or clinical research.

  Two 24-hour recalls on any day of the 7-days tracking period. Participants will be asked to complete one on working day other on non-working day, but this is not mandatory.

• Stress levels

  Participants will be asked to fill the Perceived Stress Scale (PSS). It is a stress assessment instrument. It gives scores between 0-40. Higher scores means high level of stress.

  On the second visit which is after 7 days from the first visit to the lab.

Secondary Outcomes (2)

• Sleep Measurement

  Participant will be given Actigraphy watch on their first visit and will be asked to wear it for the next seven days continuously without removing. During the second visit which is after seven days, the watch will be removed by study staff.

• Sleep Quality

  On the second visit which is after 7 days from the first visit to the lab.

Study Arms (3)

Day workers

Includes people working from 9 a.m. to 5 p.m./8 a.m. to 4 p.m. We will be recruiting 15 day workers.

Behavioral: Work-type

Shift workers

Includes those involved in any arrangement of daily working hours other than the standard daylight hours, 8 a.m. - 5 p.m. It also includes on-call or casual workers. We will be recruiting 15 shift workers.

Behavioral: Work-type

Rotational workers

Includes those who work on a set schedule and whose working hours are rotating on a set schedule. We do not include offshore workers here. We will be recruiting 15 rotational workers.

Behavioral: Work-type

Interventions

Work-type BEHAVIORAL

Participants are categorized by the type of work hours they must maintain. For example, regular work hours, shift work, and rotational work.

Day workers; Rotational workers; Shift workers

Eligibility Criteria

• Age: 30 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

The target study population will be recruited by advertising study directly and indirectly. We will contact local employment unions in Newfoundland to advertise our study and ask for participation, making social media accounts for the SWEAT study and advertising the study on Facebook, Instagram and Twitter. Standard passive approaches will be used, including study advertisement posters on community bulletin boards; poster distribution in public places like shopping malls, hospitals, long-term care homes, worker unions, and police departments; promotion on community radio stations, and promotion via the Memorial University Newsline.

You may qualify if:

• years of age or older.
• Should be able to wear a watch for seven days.
• Should be working.

You may not qualify if:

• Shifts less than 4.5 hours or shifts longer than 14 hours will not be considered.
• Being pregnant.
• Currently being breastfeeding.
• Having a child less than 1 year old at home.
• Travelled across time zones in the last four weeks.
• No change in medication in the last six months for any previous ongoing medical condition (by self-reported health history).

Sponsors & Collaborators

• Memorial University of Newfoundland: lead

Study Sites (1)

Nutrition and Lifestyle Lab, Department of Earth Sciences, Memorial University of Newfoundland, 9 Arctic Ave

St. John's, Newfoundland and Labrador, A1B 3X5, Canada

RECRUITING

Related Publications (6)

• Lauren S, Chen Y, Friel C, Chang BP, Shechter A. Free-Living Sleep, Food Intake, and Physical Activity in Night and Morning Shift Workers. J Am Coll Nutr. 2020 Jul;39(5):450-456. doi: 10.1080/07315724.2019.1691954. Epub 2019 Nov 19.

  PMID: 31743081 BACKGROUND

• Siqueria K, Griep R, Rotenberg L, Silva-Costa A, Mendes da Fonseca Mde J. Weight gain and body mass index following change from daytime to night shift - a panel study with nursing professionals. Chronobiol Int. 2016;33(6):776-9. doi: 10.3109/07420528.2016.1167719. Epub 2016 May 9.

  PMID: 27159160 BACKGROUND

• Robbins R, Quan SF, Barger LK, Czeisler CA, Fray-Witzer M, Weaver MD, Zhang Y, Redline S, Klerman EB. Self-reported sleep duration and timing: A methodological review of event definitions, context, and timeframe of related questions. Sleep Epidemiol. 2021 Dec;1:100016. doi: 10.1016/j.sleepe.2021.100016. Epub 2021 Nov 25.

  PMID: 35761957 BACKGROUND

• Park Y, Dodd KW, Kipnis V, Thompson FE, Potischman N, Schoeller DA, Baer DJ, Midthune D, Troiano RP, Bowles H, Subar AF. Comparison of self-reported dietary intakes from the Automated Self-Administered 24-h recall, 4-d food records, and food-frequency questionnaires against recovery biomarkers. Am J Clin Nutr. 2018 Jan 1;107(1):80-93. doi: 10.1093/ajcn/nqx002.

  PMID: 29381789 BACKGROUND

• Heath G, Dorrian J, Coates A. Associations between shift type, sleep, mood, and diet in a group of shift working nurses. Scand J Work Environ Health. 2019 Jul 1;45(4):402-412. doi: 10.5271/sjweh.3803. Epub 2019 Feb 26.

  PMID: 30806474 BACKGROUND

• Nea FM, Pourshahidi LK, Kearney JM, Livingstone MBE, Bassul C, Corish CA. A qualitative exploration of the shift work experience: the perceived effect on eating habits, lifestyle behaviours and psychosocial wellbeing. J Public Health (Oxf). 2018 Dec 1;40(4):e482-e492. doi: 10.1093/pubmed/fdy047.

  PMID: 29546282 BACKGROUND

MeSH Terms

Conditions

Food Preferences; Motor Activity

Condition Hierarchy (Ancestors)

Feeding Behavior; Behavior

Study Officials

• Scott Harding

  Memorial University of Newfoundland

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Scott Harding

CONTACT

709-864-8539; sharding@mun.ca

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: CROSS SECTIONAL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assistant Professor

Study Record Dates

• First Submitted: November 1, 2022
• First Posted: December 15, 2022
• Study Start: October 7, 2022
• Primary Completion: March 31, 2023
• Study Completion: March 31, 2023
• Last Updated: December 15, 2022

Record last verified: 2022-12

Data Sharing

• IPD Sharing: Will not share

Locations

CA (1)