A survey on changes of behavior and attitude of smokers, one year after the complete prohibition against smoking within their workplace.

A survey on changes of behavior and attitude of smokers, one year after the complete prohibition against smoking within their workplace. - A survey on changes of behavior and attitude of smokers, one year after the complete prohibition against smoking within their workplace.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021388

Enrollment

Registered

2016-03-08

Start date

2016-03-08

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

Smoking

Interventions

Answering the signed questionnaire and measuring COex (once only).

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The entrants for the previous clinical study "A survey on changes of behavior and attitude of smokers after the complete prohibition against smoking within their workplace and the measurement of the concentration of expired carbon monoxide (UMIN000016775)", additionally who consented to enter this study in writing.

Exclusion criteria

Exclusion criteria: Not applicable

Design outcomes

Primary

Measure	Time frame
Questionnaire survey (change of smoking behavior)	—

Secondary

Measure	Time frame
Questionnaire survey (current number of cigarettes per day, time of previous smoking, influencable factor on the change of smoking behavior, contribution of measurement of COex for smoking behavior), COex	—

Countries

Japan

Contacts

Public ContactTatsunori Suzuki

Showa University Clinical Research Institute for Clinical Pharmacology and Therapeutics Not applicable

tatsunori@med.showa-u.ac.jp+81-3-3300-5247

Outcome results

None listed

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