OrCa study: oral cavity & food intake differences in consumers varying in age, gender and ethnicity

Recruitment & Eligibility

Status: Completed

Sex: Not specified

Target Recruitment: 300

Inclusion Criteria

The study consists of two participant groups, group A participating in the oral physiology measurements and the online questionnaires. Group B will only participate in the online questionnaires.;Inclusioncriteria group A:
Have good general health.
Have a healthy weight (BMI 18.5-25 kg/m2).
Do not have food allergies or intolerances for any of the food products used in the study: carrots, cheese and sausage.
No beard or willing to shave (due to facial markers that need to be attached to the skin for the video recordings).
Do not have braces or non-removable piercing in or around the mouth (with the exception of a metal wire behind the teeth).
Do not use medication that affects your chewing behaviour or saliva production. This will be checked by the researchers in the first questionnaire during the information meeting. ;Fit in one of the following three groups:
-Men and women with Chinese nationality and Asian ethnicity, born in China, aged 18 to 30 years, living outside China for less than one year and no missing teeth (wisdom teeth and non-removable implants, crowns and bridges are allowed).
-Men and women with Dutch nationality and Caucasian ethnicity, born in The Netherlands, aged 18 to 30 years and no missing teeth (wisdom teeth and non-removable implants, corwns and bridges are allowed).
-Men and women with Dutch nationality and Caucasian ethnicity, born in The Netherlands, aged 65 to 85 years and a maximum of 2 missing teeth (wisdom teeth and non-removable implants, corwns and bridges are allowed).;Inclusioncriteria group B:
Have good general health.
Have a healthy self-reported weight (BMI 18.5-25 kg/m2).
Do not have braces or non-removable piercing in or around the mouth (with the exception of a metal wire behind the teeth).
Do not use medication that affects your chewing behaviour or saliva production. This will be checked by the researchers in the first questionnaire during the information meeting. ;Fit in one of the following three groups:
-Men and women with Chinese nationality and Asian ethnicity, born in China, aged 18 to 30 years, living outside China for less than one year and no missing teeth (wisdom teeth and non-removable implants, crowns and bridges are allowed).
-Men and women with Dutch nationality and Caucasian ethnicity, born in The Netherlands, aged 18 to 30 years and no missing teeth (wisdom teeth and non-removable implants, crowns and bridges are allowed).
-Men and women with Dutch nationality and Caucasian ethnicity, born in The Netherlands, aged 65 to 85 years and a maximum of 2 missing teeth (wisdom teeth and non-removable implants, corwns and bridges are allowed).

Exclusion Criteria

Exclusioncriteria group A:
Mastication and/or swallowing problems caused by neurological problems, i.e. stroke, Parkinson, Alzheimer, Huntington.
Have followed an energy restricted diet during the last 2 months.
Is pregnant, has the intention of becoming pregnant or is currently breastfeeding
Employee of the Division of Human Nutrition.
Thesis student or intern at the chair group of Sensory Science and Eating Behaviour.
Participate in another intervention study, with the exception of the EetMeetWeet study.
Have a non-removable denture;Exclusioncriteria group B:
Mastication and/or swallowing problems caused by neurological problems, i.e. stroke, Parkinson, Alzheimer, Huntington.
Have followed an energy restricted diet during the last 2 months.
Is pregnant, has the intention of becoming pregnant or is currently breastfeeding
Have a denture.
Employee of the Division of Human Nutrition.
Thesis student or intern at the chair group of Sensory Science and Eating Behaviour.