Mental health prevalence: CPWR Data Bulletin, Sept. 2024; National Health Interview Survey (NHIS) 2021.  |  Mental health cost/worker: Gallup, "The Economic Cost of Poor Employee Mental Health," 2022 — workers with poor mental health miss avg. 12 unplanned days/yr vs. 2.5 for healthy workers at $340/day.  |  Substance use prevalence: SAMHSA, "Substance Use and Substance Use Disorder by Industry," CBHSQ Report, 2015.  |  Substance use cost/worker: National Safety Council / NORC, "Substance Use Disorders by Occupation" — avg. $8,255/yr per worker with untreated SUD.  |  Financial stress prevalence: Rodrigues et al., PMC / Frontiers in Public Health, July 2023.  |  Financial stress cost/worker: Manulife John Hancock, "Financial Resilience and Longevity Report," 2025 — $2,726/yr per financially stressed worker.  |  Paycheck to paycheck: The Hartford, "Future of Benefits Study," 2025.  |  Relationship/divorce: Bowers et al. via Rodrigues et al. PMC 2023; Monster.com / U.S. Census Bureau PUMS.  |  Turnover rate: CFMA, "2025 Construction Compensation Trends" — 14.5% annual salaried turnover (2024).  |  Turnover replacement cost: Center for American Progress — median 21% of annual salary for hourly/trades; 50% used as conservative mid-range for skilled construction.  |  Opioids: Dong et al., AJPH, 2022; Hanley et al., Am. J. Industrial Medicine, 2021.  |  Fatal injuries: BLS CFOI 2023; CPWR 2022.