An employee who increases their smoking, use of alcohol, or reliance on psychotherapeutic drugs during...

In HRPA’s Health, Wellness, and Safe Workplace content on occupational stress, strain reactions are grouped as psychological (e.g., anxiety, depression), physical/physiological (e.g., headaches, hypertension), and behavioural (e.g., increased smoking, alcohol/drug use, absenteeism). Substance use as a coping response is expressly identified as a behavioural strain indicator.

Relevant HRPA references (no external links):

HRPA Study Guide – Occupational Stress and Strain: behavioural, psychological, and physiological strain categories.

HRPA Competency Framework – Health, Safety & Wellness: “identify and address factors contributing to stress and unhealthy coping behaviours.”