Table. An example of a traffic light management plan for the prevention of adolescent self-harm.

Early warning signs	Not sleeping well Not attending my extracurricular activities, e.g. soccer Becoming irritable at small things
Traffic light	My thoughts and behaviour	My plan
Green	Stress level minimal Going to school Engaging with family and friends Few thoughts of self-harm	Continue with sleep hygiene Write in journal when feeling stressed Play soccer with friends
Orange	Stress level moderate Increased time checking social media Comfort eating Withdrawing to my room	Listen to my favourite music Use rubber band technique Go for a short walk with Dad and the dog
Red	Feeling overwhelmed ‘I can’t problem-solve or talk anymore’ ‘I hate myself and the world’ ‘I want to cut myself now’	Hold ice cubes tightly Parents, please sit with me but don’t talk to me Parents, ensure no access to blades Parents, reduce overall stimulation for me Parents, help me call Lifeline