Blood Pressure and Double Product Variation during Care Work (Semi-night and Daytime Shifts) and the Influence of Nighttime Napping on Early Morning Work

Blood Pressure and Double Product Variation during Care Work (Semi-night and Daytime Shifts) and the Influence of Nighttime Napping on Early Morning Work - Blood Pressure and Double Product Variation during Care Work

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000031690

Enrollment

Registered

2018-03-15

Start date

2012-02-01

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

shiftwork

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Participants who had systolic blood pressure of 140 mmHg or more or diastolic blood pressure of 90 mmHg or more in company health examination were defined as a hypertension group, and participants who had systolic blood pressure less than 140 mm Hg, diastolic blood pressure less than 90 mm Hg were also defined as a non-hypertension group.

Exclusion criteria

Exclusion criteria: Those using drugs that affect drowsiness, such as antidepressants, sleeping pills, antiallergic agents, etc. were excluded.

Design outcomes

Primary

Measure	Time frame
Blood pressure	—

Secondary

Measure	Time frame
HR, Double product	—

Countries

Japan

Contacts

Public ContactYoshiro Kato

Kotsubaki internal medical clinic Internal medicine

info@kotsubaki.com0828106700

Outcome results