Cold exposure among outdoor workers in the Arctic setting

The main aim of this study was to describe the degree of cold exposure and occupational physical activity within three different outdoor occupational groups in northern Sweden using both technical measurements and self-reported survey items. The cold exposure and physical activity of workers in preschool, park and maintenance and power grid sectors (N = 133) were examined using a digital survey, temperature loggers and thigh-worn accelerometers. In the survey, 33% of workers indicated that they often or always felt cold at work, and 39% reported that they had inadequate knowledge about cold weather protection. The median (interquartile range, IQR) duration of working at ambient temperatures below 10°C was 131 (157) minutes. The physical activity while working outdoors was composed of sitting (20%), standing (54%) and walking (26%). About one-third of the participants reported that they often or always felt cold at their workplace, with an average of more than two hours spent outside at temperatures below 10°C. Possible remedies include increasing physical activity and improving thermal insulation of the clothing.