Hi Five - a school-based intervention to reduce infections and improve hygiene and well-being among school children

Hi Five - a cluster-randomized controlled trial to reduce infections and improve hygiene and well-being among 6-15 year olds in Denmark

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN19287682

Enrollment

7527

Registered

2012-12-21

Start date

2011-09-01

Completion date

Unknown

Last updated

2021-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hand hygiene, hand washing, infectious illness Infections and Infestations

Interventions

The Hi Five intervention consists of three components: 1. Educational materials (5/6 lessons) tailored to three age groups: 0.-3. grade, 4.-6. grade and 7.-9. grade. Su

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: All pupils at participating schools enrolled in grade 0.-8

Exclusion criteria

Exclusion criteria: 1. Schools not run by municipalities (private schools) 2. Schools for children with special needs

Design outcomes

Primary

Measure	Time frame
1. Frequency of absence episodes and the number of days absent due to infectious illness among pupils measured over five months (Dec. to April) at baseline and follow-up (SMS data form parents SMS registers of illness and infection). 2. Frequency of absence episodes from school last week due to infectious illness (data from pupils? self-reported questionnaires). Frequency of absence episodes and the number of days absent due to illness and infection will be analyzed at individual-, class- and school-level.	—

Measure

Time frame

1. Frequency of absence episodes and the number of days absent due to infectious illness among pupils measured over five months (Dec. to April) at baseline and follow-up (SMS data form parents SMS registers of illness and infection). 2. Frequency of absence episodes from school last week due to infectious illness (data from pupils? self-reported questionnaires). Frequency of absence episodes and the number of days absent due to illness and infection will be analyzed at individual-, class- and school-level.

—

Secondary

Measure	Time frame
1. Parents absence from work due to the pupils infectious illness (SMS registration) 2. Pupils hand washing behavior (before lunch, after toilet visit, use of soap etc.) (data from pupils' self-reported questionnaires) 3. Pupils' use of the school toilets (data from pupils' self-reported questionnaires) 4. Toilet facilities and cleaning standard of the schools toilets (bacteria samples, observations and photographs of/from the school toilets) 5. Pupils' well-being (data from pupils' self-reported questionnaires) 6. Pupils' norms of and attitudes towards hand washing (data from pupils' self-reported questionnaires) 7. Pupils' knowledge of bacteria and spread of infectious illness (data from pupils' self-reported questionnaires) 8. Frequency of teacher's absence episodes and the number of days due to infectious illness measured over five months at baseline and follow-up (from SMS registration by teachers of own illness and infection) 9. Health economic evaluation (parent, child, teacher, school information) Analyses in the project will have a special focus on subgroup analyses especially age, gender and socioeconomic position	—

Measure

Time frame

1. Parents absence from work due to the pupils infectious illness (SMS registration) 2. Pupils hand washing behavior (before lunch, after toilet visit, use of soap etc.) (data from pupils' self-reported questionnaires) 3. Pupils' use of the school toilets (data from pupils' self-reported questionnaires) 4. Toilet facilities and cleaning standard of the schools toilets (bacteria samples, observations and photographs of/from the school toilets) 5. Pupils' well-being (data from pupils' self-reported questionnaires) 6. Pupils' norms of and attitudes towards hand washing (data from pupils' self-reported questionnaires) 7. Pupils' knowledge of bacteria and spread of infectious illness (data from pupils' self-reported questionnaires) 8. Frequency of teacher's absence episodes and the number of days due to infectious illness measured over five months at baseline and follow-up (from SMS registration by teachers of own illness and infection) 9. Health economic evaluation (parent, child, teacher, school information) Analyses in the project will have a special focus on subgroup analyses especially age, gender and socioeconomic position

—

Countries

Denmark

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 18, 2026