Cardiovascular risk factors in 101 night shift and day workers in industry. A cross-sectional study.

Skogstad, Marit; Alsaedi, Sarah; Sirnes, Per Anton; Mamen, Asgeir; Skare, Øivind; Goffeng, Elisabeth; Goffeng, Lars Ole; Matre, Dagfinn et al. · J Occup Environ Med · 2026

cross_sectional · Level IV

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Abstract

This cross-sectional study assesses cardiovascular disease (CVD) risk factors in industrial rotating night shift and day workers. We examined 27 day workers; 40 night shift workers with high and 34 with low night loads. We assessed sleep, blood pressure (BP), pulse wave velocity (PWV), carotid intima-media thickness (cIMT), maximal oxygen uptake (V̇O2max), glycosylated haemoglobin (HbA1c), lipids, focusing on inflammatory markers, and adipokines. High load night shift workers had higher inflammation and lower adiponectin level compared to other shift workers and day workers. Night shifts of 8 and 12 hours shortened sleep. Number of night shifts was positively associated with inflammatory markers and negatively associated with adiponectin. Night shift work is associated with CVD risk factors. Shift schedules with fewer night shifts and longer recovery periods could mitigate it.