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Frequently Asked Questions
Who can access my child's information?
The measurements obtained will form part of an anonymous European database that will be shared with the European Committee for Standardization (CEN) in which only the minor’s measurements, gender, and age will appear. This means that no personal individual data will be shared with people outside of the study team
Is participating in this study safe?
The health risks of this study are low since the scanners do not emit radiation. All the equipment has been approved by the Health Safety Environment Department of the TU Delft to be used on children. The study has been approved by the Human Research Ethics Committee of the TU Delft.
What are these measurements used for?
The measurements will be used to create an anonymous European database with child measurements. The database does not contain personal identifiable information. This database will be shared with the European Committee of Standardization (CEN) and used to determine dimensions and safety requirements for products such as clothing, toys, transportation infrastructure, furniture, among other products.
W
hat does a measurement session look like?
Depending on the age of the child, measurements will be taken of the head, hand, foot and other body measurements by manually measuring them or with the help of a 3D scanner.
Occasionally, markings will be made with an eye pencil or small stickers. This is to indicate and identify a point for measuring.
Short breaks are scheduled during the session. There will always be the possibility to take more breaks during the session.
At any point during the session you can withdraw without giving any reason. As a parent you are required to stay during the whole length of the session.
How much time will the measurement session take?
This depends on the age of the participant.
0-1 year olds: babies have fewer measurements but are all done manually, so it takes approximately 35 minutes.
1-3 year olds: children get all the manual measurements and they use photometric scanners for the hand and foot. The full body 3D scanner is not used, so more manual measuring is required. For them it can take up to 75 minutes. Note: for 3 year olds from the Sarphati cohort measured in Amsterdam, a single body scan will be made anyway as part of a pilot study..
4- 16 year olds: youngsters get measured by the full body 3D scanner as well as the hand and foot photometric scanners and manual measurements. The total session, measuring of body, head, hand and foot, will take about 75 minutes.
The measuring session is child friendly with frequent breaks. Nevertheless, the child or parent can always decide stop the session.
Who is going to measure my child?
Each measurement session is carried out by a two experienced and screened anthropometrists (Verklaring Omtrent Gedrag, four eyes principle). Visit our team page
here
to see who you might encounter.
What does a 3D scan procedure look like?
We make use of three scanners: a full body scanner, a hand scanner, and a foot scanner.
The full body scanner is a booth where the child stands in the middle and keeps a posture for a few seconds. The scanner then uses its many small cameras to capture the body shape from all angles to reconstruct the 3D body shape of the child. It is very similar to making a photo for an ID card.
The hand scanner is a table with a glass plate and a photo camera. It captures the 2D outline of the hand and fingers in high detail.
Finally, the foot scanner is an open box where the child puts its foot on a glass plate and the 3D shape of the foot is captured by a moving camera, similar to a copy machine.
What do I need to prepare as a parent?
The child must bring clothing that allows accurate measurement of the body and limbs, such as sportswear or underwear. Clothing should be tight enough for the scanner to get an accurate body silhouette but not too tight that it would alter body proportions.
As a parent you can put these types of clothing on your baby or child, or if you do not have this at your disposal, the clothing will be provided at the location.
As a parent or responsible adult, should I be present through the entire session?
For children from 3 months to 3 years of age we require the presence of a parent or caretaker. Children joining via a school outing are accompanied by a teacher or parent volunteer. For older children (11-15 years), a parent can join the session but this is not required. In any case, parental consent needs to be obtained before the start of the measurement session.
What happens after this study?
The participant’s measurements will be anonymized with the rest of participants of the study.
The study will conclude when the target of 1800 participants have been measured which is expected to be at the end of 2023.
After that, only the anonymous measurements will be handed over to the European Center for Standardization.
Can anybody recognize my child through their 3D scans and/or measurements?
No images, videos or any data that allows the minor to be identified will be shared outside of the study team. Personally identifiable data can only be accessed by the project's data processors. The resulting 3D scanned images will only be used to extract the measurements for the analysis of multiple anthropometric and product design studies. At the end of the study, the participant’s measurements will be anonymized.
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