Effects of irregular-shift work and physical activity on cardiovascular risk factors in truck drivers

Irregular-shift truck drivers had higher systolic and diastolic arterial pressures (143.7 and 93.2 mmHg) compared to day-shift drivers (116 and 73.3 mmHg).

• Moderately-active irregular-shift workers exhibited significantly higher total cholesterol concentrations (232.1 mg/dl) compared to moderately-active day-shift workers (145 mg/dl).
• Irregular-shift drivers had higher total cholesterol and LDL-cholesterol concentrations (211.8 and 135.7 mg/dl, respectively) than day-shift workers (161.9 and 96.7 mg/dl, respectively).
• Most truck drivers worked more than 8 hours per day, with 67.7% of irregular-shift and 73.1% of day-shift workers exceeding this duration.
• Irregular-shift drivers reported lower work demand but less control compared to their day-shift counterparts.
• The average duration of experience for irregular-shift drivers was 15.7 years, while day-shift drivers averaged 10.8 years in their roles.

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