Twenty-four-hour shift work, depressive symptoms, and job dissatisfaction among Japanese firefighters.

Background: The influence of a 24-hr shift-work burden on firefighters' mental health has not been fully investigated. The purpose of this study is to clarify the relationships between specific workload items among firefighters engaged in 24-hr shift work and job stress as estimated by the generic job-stress questionnaire on depressive symptoms and job dissatisfaction from the National Institute for Occupational Safety and Health (NIOSH).

Method: The subjects were 1,301 firefighters.

Job stress and depressive symptoms among Japanese fire fighters.

Background: Associations between job stresses, as assessed by theoretical job stress model and depressive symptoms among fire fighters have not been fully investigated. The purpose of this study is to clarify the factors of job stress that influence the depressive symptoms in Japanese fire fighters.

Methods: The subjects involved 1,672 fire fighters from a local government.

The relationship of gamma-glutamyltransferase to C-reactive protein and arterial stiffness.

Background And Aims: The relationships between gamma-glutamyltransferase (GGT), C-reactive protein (CRP), and arterial stiffness have not been fully investigated. The aim of this study was to clarify whether serum GGT is related to CRP and arterial stiffness estimated using brachial-ankle pulse wave velocity (baPWV).

Methods And Results: The subjects were 3412 males and 854 females.