Social jet lag and (changes in) glycemic and metabolic control in people with type 2 diabetes
Authors' conclusion
Social jet lag was cross-sectionally, but not prospectively, associated with glycemic and metabolic markers. Interaction with work status was present, and directions of the associations were generally detrimental in the working population, whereas higher social jet lag was associated with improved glycemic and metabolic control for retired people.
Study context
- Population
- People with T2D; social jet lag measured at baseline using daily diaries
- Participants
- 990 people
- Exposure
- High vs moderate vs low social jet lag
- Outcome
- Glycemic and metabolic control (HbA1c, glucose, blood pressure, BMI)
- Follow-up
- Baseline and 1 and 2 years
Methodological detailscross-sectional and longitudinal analyses, linear regression and linear mixed models adjusted for confounding factors, stratified for work status
- Cross-sectional and longitudinal analyses
- Linear regression and linear mixed models adjusted for confounding factors
- Stratified for work status
Main finding
As reported in the abstract
baseline
- Working: high social jet lag and HbA1c
- 1.87 mmol/mol (95% CI 0.75 to 2.99)
- Working: high social jet lag and blood pressure
- 5.81 mm Hg (95% CI 4.04 to 7.59)
- Retired: high social jet lag and HbA1c
- −1.58 mmol/mol (95% CI −2.54 to −0.62)
- Retired: high social jet lag and glucose
- −0.19 mmoL/L (95% CI −0.36 to −0.01)
- Retired: high social jet lag and blood pressure
- −3.70 mm Hg (95% CI −5.36 to −2.04)
- Retired: high social jet lag and BMI
- 1.12 kg/m² (95% CI 0.74 to 1.51)
Observational data: associations, not effects.
Further findings
Prospective associations · 1 and 2 years
- Same direction as cross-sectional findings but nonsignificant for working or retired people
Original publication
Social jet lag and (changes in) glycemic and metabolic control in people with type 2 diabetes. Obesity (Silver Spring). Published 28 February 2023. doi:10.
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