The association between long-term night shift work and metabolic syndrome: a cross-sectional study of male railway workers in southwest China

Table 3 Associations between NSW and METS with its components

Factors	Model 1		Model 2		Model 3		Model 4
Factors	OR (95% CI)	p value	OR (95% CI)	p value	OR (95% CI)	p value	OR (95% CI)	p value
SBP ≥ 130 mmHg	0.97 (0.89, 1.05)	0.446	1.08 (0.99, 1.18)	0.082	1.08 (0.99, 1.18)	0.082	1.11 (1.02, 1.21)	0.022
DBP ≥ 85 mmHg	0.88 (0.81, 0.96)	0.004	0.93 (0.85, 1.01)	0.078	0.93 (0.85, 1.01)	0.078	0.95 (0.87, 1.04)	0.262
SBP ≥ 130 mmHg and DBP ≥ 85 mmHg	0.98 (0.89, 1.07)	0.577	1.06 (0.97, 1.16)	0.192	1.06 (0.97, 1.16)	0.193	1.09 (1.00, 1.20)	0.05
Waist circumference ≥ 90 cm	1.09 (1.00, 1.18)	0.056	1.10 (1.01, 1.20)	0.037	1.10 (1.01, 1,19)	0.038	1.11 (1.02, 1.21)	0.017
TG ≥ 1.7 mmol/L	1.06 (0.98, 1.16)	0.153	1.02 (0.94, 1.11)	0.682	1.02 (0.93, 1.11)	0.694	1.02 (0.94, 1.11)	0.653
HDL-C < 1.04 mmol/L	1.13 (1.03, 1.25)	0.013	1.09 (1.00, 1.21)	0.084	1.09 (0.99, 1.21)	0.084	1.06 (0.96, 1.18)	0.227
DM or FBG > 5.6 mmol/L	0.83 (0.76, 0.90)	< 0.001	0.94 (0.86, 1.02)	0.136	0.94 (0.86, 1.02)	0.135	0.96 (0.88, 1.04)	0.304
METS	0.97 (0.89, 1.06)	0.472	1.01 (0.93, 1.10)	0.826	1.01 (0.93, 1.10)	0.833	1.03 (0.94, 1.12)	0.543

Model 1 No adjusted
Model 2 Adjusted for age
Model 3 Adjusted for age and working years
Model 4 Adjusted for age, working years, smoking status, alcohol consumption, and previous CAD
SBP, systolic blood pressure; DBP, diastolic blood pressure; BMI, body mass index; TG, triglyceride; HDL-C, high-density lipoprotein cholesterol; DM, diabetes mellitus; FBG, fasting blood glucose; METS, Metabolic syndrome

ISSN: 1471-2261