Research Article

Occupational Difference in Association of Poor Sleep Quality and Metabolic Syndrome: Differences between Workers and Employees

Table 1

Comparison demographic data, metabolic syndrome components, and sleep quality components between groups of workers and employees.

VariableWorkers (153)Employees (295) value

AgeNS
Gender (percent of females)2.6%24.3%<0.0001
Education
No formal education20.1%0.7%<0.0001
Middle or high school20.8%1.0%
Diploma or associates degree40.9%23.6%
Bachelor or higher18.2%74.7%
Marriage status (percent of married)90.3%90.9%NS
Shift work35.1%2.7%<0.0001
Smoking12.7%8.9%NS
Hypertension46.1%29.7%<0.001
Hypertriglyceridemia32.5%45.6%<0.01
Low HDL64.9%70.9%NS
IFG23.4%18.6%NS
Abdominal obesity22.1%26.0%NS
Metabolic syndrome29.2%30.4%NS
Number of metabolic syndrome componentsNS
Subjective sleep quality<0.05
Sleep latencyNS
Sleep duration<0.05
Habitual sleep efficiencyNS
Sleep disturbancesNS
Daytime dysfunction<0.05
Using sleep medicationsNS
PSQINS
Poor sleep quality30.7%0.31.2%NS

IFG: impaired fasting glucose; PSQI: Pittsburgh Sleep Quality Index. Abdominal obesity: according to ATP III criteria: waist in females and ≥102 cm in males. Poor sleep quality: .