Table 1.

PECO format: keywords (Spain, 2023).

Population	Construction workers
Effect	Alteration of stress, fear, and anxiety levels
Comparator	Identify influential risk factors
Outcomes	Level of burnout, stress, anxiety, and fear, number of cases of people with depression/stress/anxiety/fear, substance use, insomnia, physical manifestations of stress, comparison according to type of profession/sex/country, possible risks for the occurrence of accidents at work, coping measures, how working and/or psychosocial conditions influence, and health-work relationship and vice versa.
Research question	What factors influence stress, fear, and anxiety of workers in the construction sector?