Table 2 Secondary objectives, research questions, and hypotheses

To evaluate the relationship between the amount of smartphone-assisted PST and health-related outcomes in men who present to ED with intentional self-harm.

After 1 year, what is the effect of the amount of smartphone-assisted PST on the following?

That there will be a significant correlation between the number of completed sessions of smartphone-assisted PST and the following:

• Depression symptoms

• Reductions in the severity of depression symptoms

• Anxiety symptoms

• Reductions in the severity of anxiety symptoms

• PTSD symptoms

• Reductions in the severity of PTSD symptoms

• Healthcare costs

• Reductions in healthcare costs

• Experienced meaning in life

• Improvements in experienced meaning in life

• Perceived social supports

• Improvements in perceived social supports

• Health-related quality of life

• Improvements in health-related quality of life

To evaluate the impact of conformity to masculine gender norms and explore to suicide in the media on men who self-harm

What is the effect of the following?

• Conformity to masculine gender norms

Conformity to masculine gender norms will moderate the effect of the study intervention.

• Exposure to suicide in the media

Exposure to suicide in the media will moderate the effect of the study intervention.

• Use of the internet to research means of self-harm

Use of the internet to research means of self-harm will moderate the effect of the study intervention.

• Use of the internet to access self-harm resources

Use of the internet to access self-harm resources will moderate the effect of the study intervention.

To evaluate mechanisms of change among men who self-harm

What are the mechanisms of change among men enrolled in the study?

There will be a significant correlation between the number of smartphone-assisted PST sessions and improvements in social problem-solving skills.