Relationship between Chewing difficulties and sleep duration

Sleep duration, oral functional impairment, and systemic inflammation: evidence from mediation analysis in a population-based study - Sleep duration, oral functional impairment, and systemic inflammation: evidence from mediation analysis in a population-based study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000061177

Enrollment

10000

Registered

2026-04-08

Start date

2026-04-08

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

This cross-sectional study included 8,252 Japanese adults undergoing health checkups.

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: This cross-sectional study was conducted using data from Japanese adults who underwent annual health checkups at the Health Planning Center of Nihon University Hospital between April 2024 and March 2025.

Exclusion criteria

Exclusion criteria: Declined consent Missing data on sleep duration Missing data on leukocyte subclasses Missing data on masticatory status

Design outcomes

Primary

Measure	Time frame
The association between sleep duration and masticatory difficulties, and to explore whether monocyte-related systemic inflammation is involved in this relationship.	—

Countries

Japan

Contacts

Public ContactShigemasa Tani

Nihon University Hospital Health Planning Center

tani.shigemasa@nihon-u.ac.jp09080537841

Outcome results