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Assess Whether Knowledge by the Younger of the Function of the Accelerometer Determines Its Amount of Physical Activity

NCT ID: NCT02844101

Last Updated: 2025-12-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-07-31

Study Completion Date

2015-06-30

Brief Summary

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Eighty healthy youngsters, aged 10-18 years, will be equally randomized between the blinded and the non-blinded group. The blinded subjects will be informed that we were testing the reliability of a new device for body posture assessment and these youngsters will did not receive any information with regards to physical activity. Conversely, the non-blinded subjects were informed that the device was an accelerometer that assessed physical activity levels and patterns. Participants will be instructed to wear the accelerometer for 4 consecutive days and to keep a non-wear log diary over the 4 day-monitoring. The overall duration and the duration relative to the quality of the physical activity patterns (sedentary, light, moderate, vigorous and moderate to vigorous) were computed for each group during the 4-day monitoring, then compared between the two groups using the Student's t test.

Detailed Description

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Conditions

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Physical Activity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Participants

Study Groups

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non-blinded group

The non-blinded subjects will be informed that the accelerometer device (GT3X Actigraph accelerometer) is an accelerometer that assessed physical activity levels and patterns

Group Type OTHER

GT3X Actigraph accelerometer.

Intervention Type DEVICE

blinded group

The blinded subjects will be informed that they will test the reliability of a new device for body posture assessment and these youngsters will not receive any information with regards to physical activity.

Group Type OTHER

GT3X Actigraph accelerometer.

Intervention Type DEVICE

Interventions

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GT3X Actigraph accelerometer.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* 10-18 years old adolescent
* normal clinical examination,
* normal nutritional status at baseline defined by a weight / height ratio between - 2 and + 2 DS DS

Exclusion Criteria

* abnormal ECG
* known chronic disease
* acute infection dating back at least a week.
Minimum Eligible Age

10 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University Hospital, Lille

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Frédéric Gottrand, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

University Hospital, Lille

Locations

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Hôpital Jeanne de Flandre - CHRU de Lille

Lille, , France

Site Status

Countries

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France

References

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Vanhelst J, Beghin L, Drumez E, Coopman S, Gottrand F. Awareness of wearing an accelerometer does not affect physical activity in youth. BMC Med Res Methodol. 2017 Jul 11;17(1):99. doi: 10.1186/s12874-017-0378-5.

Reference Type RESULT
PMID: 28693500 (View on PubMed)

Vanhelst J, Vidal F, Drumez E, Beghin L, Baudelet JB, Coopman S, Gottrand F. Comparison and validation of accelerometer wear time and non-wear time algorithms for assessing physical activity levels in children and adolescents. BMC Med Res Methodol. 2019 Apr 2;19(1):72. doi: 10.1186/s12874-019-0712-1.

Reference Type DERIVED
PMID: 30940079 (View on PubMed)

Other Identifiers

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2012-A01647-36

Identifier Type: OTHER

Identifier Source: secondary_id

2012_29

Identifier Type: -

Identifier Source: org_study_id