About: Frequency of hand-to-head, -mouth, -eyes, and -nose contacts for adults and children during eating and non-eating macro-activities

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About: Frequency of hand-to-head, -mouth, -eyes, and -nose contacts for adults and children during eating and non-eating macro-activities Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Frequency of hand-to-head, -mouth, -eyes, and -nose contacts for adults and children during eating and non-eating macro-activities
Creator	Verhougstraete, Marc Gerba, Charles King, Marco-Felipe Reynolds, Kelly Beamer, Paloma Wilson, Amanda
Source	Medline; PMC
abstract	Hand-to-face contacts are important for estimating chemical and microbial exposures. Few studies describe children’s hand-to-eye or -nose contacts or adults’ hand-to-face contacts. The study objective was to characterize hand-to-head (mouth, eyes, nose, and other) contacts for children in a daycare and adults in multiple locations. Macro-activities and sequences of hand-to-face contacts were recorded for 263 people observed for 30 min each. Statistically significant differences between locations, males and females, adults and children, and during eating and non-eating macro-activities were evaluated. Discrete Markov chains were fit to observed contact sequences and compared among adults and children during eating and non-eating macro-activities. No significant differences in contact frequency were observed between males and females with the exception of hand-to-nose contacts. Children tended to touch the mouth, eyes, and nose more frequently than adults during non-eating macro-activities. Significant differences in contact frequency were observed between locations. Transitional probabilities indicated that children make repetitive mouth, eye, and nose contacts while adults frequently transition to contacts of the head other than the mouth, eyes, or nose. More data are needed to evaluate the effect of age on adults’ contact frequencies and to confirm lack of statistically significant differences between adults and children during eating macro-activities.
has issue date	2020-07-15(xsd:dateTime)
bibo:doi	10.1038/s41370-020-0249-8
bibo:pmid	32669669
has license	cc-by
sha1sum (hex)	c5cd3b3a3428d350252c5c78cb357d36ebd13046
schema:url	https://doi.org/10.1038/s41370-020-0249-8
resource representing a document's title	Frequency of hand-to-head, -mouth, -eyes, and -nose contacts for adults and children during eating and non-eating macro-activities
has PubMed Central identifier	PMC7362609
has PubMed identifier	32669669
schema:publication	J Expo Sci Environ Epidemiol
resource representing a document's body	covid:c5cd3b3a3428d350252c5c78cb357d36ebd13046#body_text
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