Demographic characteristics of the questionnaire respondents (n = 88). IQR (interquartile range); ETW (European Tree Worker); ISA (International Society of Arboriculture).
| Gender, n (%) | |
| Men/Women | 75/11 (87.2/12.8) |
| County, n (%) | |
| Blekinge | 1 (1.1) |
| Gävleborg | 3 (3.4) |
| Gotland | 1 (1.1) |
| Halland | 1 (1.1) |
| Jämtland | 1 (1.1) |
| Jönköping | 1 (1.1) |
| Örebro | 1 (1.1) |
| Östergötland | 3 (3.4) |
| Skåne County | 23 (26.1) |
| Södermanlands | 2 (2.3) |
| Stockholm | 39 (44.3) |
| Uppsala | 5 (5.7) |
| Västernorrlands | 1 (1.1) |
| Västra Götaland | 6(6.8) |
| Company size, n (%) | |
| 1 | 48 (54.5) |
| 2 to 4 | 8 (9.1) |
| 5 to 10 | 24 (27.3) |
| > 10 | 8 (9.1) |
| Years worked in the industry | |
| Median (IQR) | 7.5 (3.0 - 12.0) |
| Current role(s), n (%) | |
| Entrepreneur | 8 (9.1) |
| Consulting Arborist | 20 (22.7) |
| Sales Representative | 2 (2.3) |
| Climbing Arborist | 83 (94.3) |
| Groundsperson | 16 (18.2) |
| Certifications, n (%) | |
| Chainsaw licence | 81 (92.0) |
| ETW certification | 40 (45.5) |
| ISA certification | 11 (12.5) |
| Higher education | 46 (52.3) |
| Frequency of touching trees, n (%) | |
| Daily | 70 (79.5) |
| Weekly | 15 (17.0) |
| Monthly | 1 (1.1) |
| Rarely | 2 (2.3) |