Clinical trial NCT05931406: Effects of a Sedentary Behaviors at Work on Health in Emergency Medical Dispatchers and CODIS Operators (SECODIS)
Official title: Effects of a Sedentary Behaviors at Work on Health in Emergency Medical Dispatchers and CODIS Operators
Study type: INTERVENTIONAL
Overall status: RECRUITING
Phase: NA
Conditions: Sedentary Behavior
Occupational Stress
Lead sponsor: University Hospital, Clermont-Ferrand
Sponsor class: OTHER
First posted: 2023-07-05
Enrollment: 36
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: CROSSOVER
Primary purpose: PREVENTION

Brief summary: The purpose of the study is to study changes in sedentary behavior following a behavioral intervention (sit-and-stand desk, and cycloergometer)

Detailed description: Each emergency medical services dispatcher and each firefighter participates in the study for three days. A normal working day from of 12h is compared to: (i) a working day during which the participants have to get up at least 5 min/hour (sit-and-stand desk), (ii) a working day during which they can use a cycloergometer installed under the desk. Conditions will be random using Latin Square design with stratification between sequences cross-over design on occupation (EMD vs. firefighters).

The heart rate variability (measured using Zephyr®), the electrodermal activity (Empatica® E4), the level of physical activity (Actigraph®) as well as the blood sugar (Freestyle®) will be measured continuously during the 12 hours of work and the night after except for Actigraph® and Freestyle® device that will be let one week. Blood and saliva samples will be collected on each working day, at the beginning and end of the day i.e. two measures for blood samples, and every three hours i.e. 5 measures for saliva sampling. Participants will have to complete a detailed questionnaire to identify the particular events (vital emergencies, etc.) that may influence the parameters measured.

Participants will be asked to answer a general questionnaire once at the start of the study that will cover different aspects:

* Sociodemographic,
* Visual analogue scale (VAS) related to psychosocial factors : stress at home, burnout / burnout, decision latitude / autonomy at work, psychological demands at work (workload), support from the hierarchy, support from co-workers, family support, job satisfaction with regard to effort, commitment to work, addiction to work, quality of life, need for psychological support,
* Eating habits.

They will then have to answer a short questionnaire at the beginning and at the end of each measurement day. It will cover different aspects:

* Four VAS (stress level, fatigue, anxiety, mood),
* Physical activity and sedentary lifestyle (number of hours of physical activity and sitting during the last 24 hours),
* Daily consumption (tobacco, alcohol, cannabis, coffee, tea).

Eligibility criteria: Inclusion Criteria:

* Emergency medical dispatchers or firefighters from the departmental fire and rescue operational center (CODIS).
* Person able to give an informed consent to participate in research
* Affiliated with a Social Security scheme.
* Being able to use the sit-stand desk and the cycle ergometer

Exclusion Criteria:

* Non-affiliated to a health insurance,
* Protected persons (minors, pregnant women, breastfeeding women, guardianship, curatorship, deprived of freedoms, safeguard of justice),
* Refusal to participate.

Primary outcomes:
measure: Sedentary behavior
timeFrame: 12 hours of work corresponding to the control condition
measure: Sedentary behavior
timeFrame: 12 hours of work corresponding to the sit-and-stand desk condition
measure: Sedentary behavior
timeFrame: 12 hours of work corresponding to the cycloergometer condition
Secondary outcomes:
measure: Sedentary behavior
timeFrame: one-week (168 hours) sit-and-stand desk cycle
measure: Sedentary behavior
timeFrame: one-week (168 hours) control cycle
measure: Sedentary behavior
timeFrame: one-week (168 hours) cycloergometer cycle
measure: Heart rate variability
timeFrame: 24 hours record corresponding to 12 hours of work and the next 12 hours of rest
measure: Electrodermal activity
timeFrame: 24 hours record corresponding to 12 hours of work and the next 12 hours of rest
measure: Stress at home
timeFrame: 6 am, beginning of the control day
measure: Stress at home
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Stress at home
timeFrame: 6 am, beginning of the cycloergometer day
measure: Stress at home
timeFrame: 6 pm, end of the control day
measure: Stress at home
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Stress at home
timeFrame: 6 pm, end of the cycloergometer day
measure: Fatigue
timeFrame: 6 am, beginning of the control day
measure: Fatigue
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Fatigue
timeFrame: 6 am, beginning of the cycloergometer day
measure: Fatigue
timeFrame: 6 pm, end of the control day
measure: Fatigue
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Fatigue
timeFrame: 6 pm, end of the cycloergometer day
measure: Anxiety
timeFrame: 6 am, beginning of the control day
measure: Anxiety
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Anxiety
timeFrame: 6 am, beginning of the cycloergometer day
measure: Anxiety
timeFrame: 6 pm, end of the control day
measure: Anxiety
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Anxiety
timeFrame: 6 pm, end of the cycloergometer day
measure: Mood
timeFrame: 6 pm, beginning of the control day
measure: Mood
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Mood
timeFrame: 6 am, beginning of the cycloergometer day
measure: Mood
timeFrame: 6 pm, end of the control day
measure: Mood
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Mood
timeFrame: 6 pm, end of the cycloergometer day
measure: Stress at work
timeFrame: 6 am, beginning of the control day
measure: Stress at work
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Stress at work
timeFrame: 6 am, beginning of the cycloergometer desk day
measure: Stress at work
timeFrame: 6 pm, end of the control day
measure: Stress at work
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Stress at work
timeFrame: 6 pm, end of the cycloergometer day
measure: Amount of physical activity
timeFrame: 6 am, beginning of the control day
measure: Intensity of physical activity
timeFrame: 6 am, beginning of the control day
measure: Amount of physical activity
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Intensity of physical activity
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Amount of physical activity
timeFrame: 6 am, beginning of the cycloergometer day
measure: Intensity of physical activity
timeFrame: 6 am, beginning of the cycloergometer day
measure: Amount of physical activity
timeFrame: 6 pm, end of the control day
measure: Intensity of physical activity
timeFrame: 6 pm, end of the control day
measure: Amount of physical activity
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Intensity of physical activity
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Amount of physical activity
timeFrame: 6 pm, end of the cycloergometer day
measure: Intensity of physical activity
timeFrame: 6 pm, end of the cycloergometer day
measure: Sitting time
timeFrame: 6 am, beginning of the control day
measure: Sitting time
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Sitting time
timeFrame: 6 am, beginning of the cycloergometer day
measure: Sitting time
timeFrame: 6 pm, end of the control day
measure: Sitting time
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Sitting time
timeFrame: 6 pm, end of the cycloergometer day
measure: Tabacco consumption
timeFrame: 6 am, beginning of the control day
measure: Tabacco consumption
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Tabacco consumption
timeFrame: 6 am, beginning of the cycloergometer day
measure: Tabacco consumption
timeFrame: 6 pm, end of the control day
measure: Tabacco consumption
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Tabacco consumption
timeFrame: 6 pm, end of the cycloergometer day
measure: Tea consumption
timeFrame: 6 am, beginning of the control day
measure: Tea consumption
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Tea consumption
timeFrame: 6 am, beginning of the cycloergometer day
measure: Tea consumption
timeFrame: 6 pm, end of the control day
measure: Tea consumption
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Tea consumption
timeFrame: 6 pm, end of the cycloergometer day
measure: Coffee consumption
timeFrame: 6 am, beginning of the control day
measure: Coffee consumption
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Coffee consumption
timeFrame: 6 am, beginning of the cycloergometer day
measure: Coffee consumption
timeFrame: 6 pm, end of the control day
measure: Coffee consumption
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Coffee consumption
timeFrame: 6 pm, end of the cycloergometer day
measure: Sociodemographic
timeFrame: Once at baseline
measure: Sleep quality
timeFrame: Once at baseline
measure: Family support
timeFrame: Once at baseline
measure: Burnout
timeFrame: Once at baseline
measure: Job demand
timeFrame: Once at baseline
measure: Job control
timeFrame: Once at baseline
measure: Hierarchy support
timeFrame: Once at baseline
measure: Colleagues support
timeFrame: Once at baseline
measure: Effort reward-imbalance
timeFrame: Once at baseline
measure: Medical treatment
timeFrame: Once at baseline
measure: Allergy
timeFrame: Once at baseline
measure: Average physical activity
timeFrame: Once at baseline
measure: Average physical activity intensity
timeFrame: Once at baseline
measure: Average tabacco consumption
timeFrame: Once at baseline
measure: Average alcohol consumption
timeFrame: Once at baseline
measure: Average cannabis consumption
timeFrame: Once at baseline
measure: Average tea consumption
timeFrame: Once at baseline
measure: Average coffee consumption
timeFrame: Once at baseline
measure: Average food consumption
timeFrame: Once at baseline
measure: Diet characterization
timeFrame: Once at baseline
measure: RPAQ questionnaire
timeFrame: Once at baseline
measure: MBI questionnaire
timeFrame: Once at baseline
measure: JDCS questionnaire
timeFrame: Once at baseline
measure: ERI questionnaire
timeFrame: Once at baseline
measure: Salivary cortisol
timeFrame: 6 am, beginning of the control day
measure: Salivary DHEAS
timeFrame: 6 am, beginning of the control day
measure: Salivary leptin
timeFrame: 6 am, beginning of the control day
measure: Salivary ghrelin
timeFrame: 6 am, beginning of the control day
measure: Salivary cortisol
timeFrame: 9 am on the control day
measure: Salivary DHEAS
timeFrame: 9 am on the control day
measure: Salivary leptin
timeFrame: 9 am on the control day
measure: Salivary ghrelin
timeFrame: 9 am on the control day
measure: Salivary cortisol
timeFrame: 12 am on the control day
measure: Salivary DHEAS
timeFrame: 12 am on the control day
measure: Salivary leptin
timeFrame: 12 am on the control day
measure: Salivary ghrelin
timeFrame: 12 am on the control day
measure: Salivary cortisol
timeFrame: 3 pm on the control day
measure: Salivary DHEAS
timeFrame: 3 pm on the control day
measure: Salivary leptin
timeFrame: 3 pm on the control day
measure: Salivary ghrelin
timeFrame: 3 pm on the control day
measure: Salivary cortisol
timeFrame: 6 pm, end of the control day
measure: Salivary DHEAS
timeFrame: 6 pm, end of the control day
measure: Salivary leptin
timeFrame: 6 pm, end of the control day
measure: Salivary ghrelin
timeFrame: 6 pm, end of the control day
measure: Salivary cortisol
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Salivary DHEAS
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Salivary leptin
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Salivary ghrelin
timeFrame: 6 am, beginning of the sit-and-stand desk day
measure: Salivary cortisol
timeFrame: 9 am on the sit-and-stand desk day
measure: Salivary DHEAS
timeFrame: 9 am on the sit-and-stand desk day
measure: Salivary leptin
timeFrame: 9 am on the sit-and-stand desk day
measure: Salivary ghrelin
timeFrame: 9 am on the sit-and-stand desk day
measure: Salivary cortisol
timeFrame: 12 am on the sit-and-stand desk day
measure: Salivary DHEAS
timeFrame: 12 am on the sit-and-stand desk day
measure: Salivary leptin
timeFrame: 12 am on the sit-and-stand desk day
measure: Salivary ghrelin
timeFrame: 12 am on the sit-and-stand desk day
measure: Salivary cortisol
timeFrame: 3 pm on the sit-and-stand desk day
measure: Salivary DHEAS
timeFrame: 3 pm on the sit-and-stand desk day
measure: Salivary leptin
timeFrame: 3 pm on the sit-and-stand desk day
measure: Salivary ghrelin
timeFrame: 3 pm on the sit-and-stand desk day
measure: Salivary cortisol
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Salivary DHEAS
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Salivary leptin
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Salivary ghrelin
timeFrame: 6 pm, end of the sit-and-stand desk day
measure: Salivary cortisol
timeFrame: 6 am, beginning of the cycloergometer day
measure: Salivary DHEAS
timeFrame: 6 am, beginning of the cycloergometer day
measure: Salivary leptin
timeFrame: 6 am, beginning of the cycloergometer day
measure: Salivary ghrelin
timeFrame: 6 am, beginning of the cycloergometer day
measure: Salivary cortisol
timeFrame: 9 am on the cycloergometer day
measure: Salivary DHEAS
timeFrame: 9 am on the cycloergometer day
measure: Salivary leptin
timeFrame: 9 am on the cycloergometer day
measure: Salivary ghrelin
timeFrame: 9 am on the cycloergometer day
measure: Salivary cortisol
timeFrame: 12 am on the cycloergometer day
measure: Salivary DHEAS
timeFrame: 12 am on the cycloergometer day
measure: Salivary leptin
timeFrame: 12 am on the cycloergometer day
measure: Salivary ghrelin
timeFrame: 12 am on the cycloergometer day
measure: Salivary cortisol
timeFrame: 3 pm on the cycloergometer day
measure: Salivary DHEAS
timeFrame: 3 pm on the cycloergometer day
measure: Salivary leptin
timeFrame: 3 pm on the cycloergometer day
measure: Salivary ghrelin
timeFrame: 3 pm on the cycloergometer day
measure: Salivary cortisol
timeFrame: 6 pm, end of the cycloergometer day
measure: Salivary DHEAS
timeFrame: 6 pm, end of the cycloergometer day
measure: Salivary leptin
timeFrame: 6 pm, end of the cycloergometer day
measure: Salivary ghrelin
timeFrame: 6 pm, end of the cycloergometer day
measure: Blood cortisol
timeFrame: 6 am, beginning of the cycloergometer day
measure: Blood cortisol
timeFrame: 6 pm, end of the cycloergometer day
measure: Blood DHEAS
timeFrame: 6 am, beginning of the cycloergometer day
measure: Blood DHEAS
timeFrame: 6 pm, end of the cycloergometer day
measure: Blood leptin
timeFrame: 6 am, beginning of the cycloergometer day
measure: Blood leptin
timeFrame: 6 pm, end of the cycloergometer day
measure: Blood ghrelin
timeFrame: 6 am, beginning of the cycloergometer day
measure: Blood ghrelin
timeFrame: 6 pm, end of the cycloergometer day
measure: Blood BDNF
timeFrame: 6 am, beginning of the cycloergometer day
measure: Blood BDNF
timeFrame: 6 pm, end of the cycloergometer day
measure: Blood pro-inflammatory cytokines
timeFrame: 6 am, beginning of the cycloergometer day
measure: Blood pro-inflammatory cytokines
timeFrame: 6 pm, end of the cycloergometer day
measure: Blood NPY
timeFrame: 6 am, beginning of the cycloergometer day
measure: Blood NPY
timeFrame: 6 pm, end of the cycloergometer day
Other outcomes:
Locations:
city: Clermont-Ferrand
country: France
facility: CHU clermont-ferrand
Study officials:
affiliation: fdutheil@chu-clermontferrand.fr
name: Fréderic DUTHEIL
role: PRINCIPAL_INVESTIGATOR
References: