Intervention study to decrease the environmental exposure to tobacco smoke in children

Intervention study to decrease the environmental exposure to tobacco smoke in children - Intervention Study for ETS exposure in children

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000022771

Enrollment

240

Registered

2016-06-17

Start date

2016-07-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

none

Interventions

Presentation of the urinary concentration of cotinine to the parents to the intervention group. The duration of intervention si 6 months. To the control group, the results of cotinine determination wi

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Including person(s) who smoke in the family; Living with child younger than 12 years old; Being able to filling in questionnaire in Japanese; having a will to attend the result briefing session after the study.

Exclusion criteria

Exclusion criteria: Having smoking-related cancers such as pharyngeal, oral, lung, bronchial, esophageal,and stomach cancer; Having respiratory disease.

Design outcomes

Primary

Measure	Time frame
Cotinine concentration in urine of children	—

Secondary

Measure	Time frame
Questionnaire on smoking habit of the persons living with the children	—

Countries

Japan

Contacts

Public ContactKunihiko NAKAI

Tohoku University Graduate School of Medicine Department of Development and Environmental Medicine

nakaik@med.tohoku.ac.jp022-717-8949

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026