Supplemental Digital Content Figure 1 Share of dollar

Supplemental Digital Content Figure 1. Share of dollar value of private sector construction, by type, 2015 (reference 22) Total value = $823. 5 billion Other (9%) Communications (3%) Health Care (4%) New single-family (28%) Office (6%) New multi-family (6%) Commercial (8%) Home improvements (18%) Manufacturing (9%) Power (10%)

Supplemental Digital Content Figure 2. Residential construction as a percentage of work done, selected specialty trades, 2012 (reference 22) % of specialty trades Framing 66. 0% Finish carpentry 59. 6% Roofing 44. 7% Painting & wall covering 38. 5% Masonry 36. 6% Drywall & insulation Poured concrete foundation & structure Plumbing, heat & A/C Electrical Site preparation 34. 9% 31. 5% 30. 8% 16. 1% 9. 8%

Supplemental Digital Content Figure 3. Distribution of leading causes of fatalities in construction, 2015 (All employment) (reference 22) Total = 985 deaths Other 5. 1% Exposure 14. 1% Falls 37. 3% Contact w/ objects 16. 9% Transportation 26. 7%

Supplemental Digital Content Figure 4. Distribution of leading causes of nonfatal injuries resulting in days away from work in construction, 2015 (Private wage-and-salary workers) (reference 22) Total = 79, 890 injuries Exposure (3. 5%) Transportation (4. 2%) Other (1. 7%) Contact w/ objects (33. 2%) Overexertion and bodily reaction (27. 5)% Falls, Slips, Trips (29. 9%)

Supplemental Digital Content Figure 5. Number and percentage of construction establishments and employees, by establishment size, 2012 (With payroll) (reference 22) Establishment size (number of employees) 1 to 9 10 to 19 20 to 99 100 to 499 500 or more Total Number of establishments % of all establishments 484, 866 58, 731 48, 151 5, 866 452 598, 065 81. 1% 9. 8% 8. 1% 1. 0% 0. 1% 100. 0% Number % of all of employees 1, 409, 984 805, 819 1, 868, 325 1, 069, 382 516, 112 5, 669, 623 24. 9% 14. 2% 33. 0% 18. 9% 9. 1% 100. 0%