Age

Years in the profession

Gender

Nationality

Education

Years of professional experience

p < 0.001^#

-------

p = 0.402*

p = 0.031*

p = 0.731**

Professional qualifications

p = 0.619*

p = 0.281*

p = 0.037***

p = 0.129***

p = 0.356***

Has another profession

p = 0.648*

p = 0.003*

p = 0.546***

p = 0.735***

p = 0.245***

Tattooing is the main activity

p = 0.701*

p < 0.001*

p = 0.026***

p = 0.660***

p = 0.950***

Practices in their own establishment

p < 0.001*

p < 0.001*

p = 0.444***

p = 0.784***

p = 0.462***

Works for someone else

p = 0.007*

p = 0.030*

p = 0.138***

p = 0.046***

p = 0.406***

Chemical agents

p = 0.019**

p = 0.077**

p = 0.030***

p = 0.369***

p = 0.898***

Forced/maintained postures

p = 0.601**

p = 0.116**

p = 0.007***

p = 0.094***

p = 0.792***

Repetitive movements

p = 0.013**

p = 0.005**

p = 0.108***

p = 0.500***

p = 0.278***

Machinery capable of causing injuries

p = 0.577**

p = 0.462**

p = 0.778***

p = 0.165***

p = 0.652***

Old machinery and/or in poor conditions

p = 0.290**

p = 0.110**

p = 0.159**

p = 0.174***

p = 0.609***

Noise

p = 0.535**

p = 0.036**

p = 0.630**

p = 0.113***

p = 0.209***

Vibrations

p = 0.922**

p = 0.129**

p = 0.777**

p = 0.138***

p = 0.362***

Visual strain, inadequate illuminance

p = 0.362**

p = 0.018**

p = 0.228**

p = 0.679***

p = 0.966***

Biological agents

p = 0.471**

p = 0.504**

p = 0.528**

p = 0.303***

p = 0.337***

Isolated work

p = 0.844**

p = 0.815**

p = 0.962**

p = 0.146***

p = 0.235***

Monotonous work

p = 0.872**

p = 0.880**

p = 0.859**

p = 0.137***

p = 0.194***

Extended shifts

p = 0.307**

p = 0.088**

p = 0.143**

p = 0.873***

p = 0.290***

Stress

p = 0.115**

p = 0.268**

p = 0.007**

p = 0.243***

p = 0.003***