Table 1: Systematic reviews, research questions, objectives, and methods.
The research questions The project objectives Project metodology
1. Is there any excess risk of suicide in the sub-sets of seafarers as compared to other groups in the working population? 1. To study the relative risk for suicide in seafaring as compared to other workers internationally. 1) The suicide review studies based on nationalhealth register cohort studies on mortality that include suicide in shipping as compared with other workers.
2. Are there any scientific-based interventions that reduced the mental health risk factors and adverse effects on mental diseases and suicide among shipping employees and other workers? 2. To study the different intervention methods for the reduction of mental-health related risk factors, mental illness and suicide prevalence in order to select the most effective methods. 2) Intervention study reviews based on cohort studies in shipping and cohorts of other workers.
3. How is the quality of life onboard and which are the mental health risk factors in the work environment among shipping employees and other workers? 3. To study the mental-health related risk factors identified in the workplace and in free time environments in shipping and among other workers through epidemiological studies. 3) A review study of the single risk factors and the combinations of different risk factors, especially the interpersonal and the organisational factors, including Karasek’s theories on control, demand, support, among other theories.
4. Which type of learning methods for mental-health promotion is effective at the schools, at sea and other jobs? 4. To study the quality of life mental-health related risk factors in the maritime schools and onboard 4) Learning materials that will be effective in mental health promotion in shipping and other settings.