Article Figures & Data
Figures
- Figure 1.
Number of respondents who felled a tree that they believed should have been retained in the past year (“Yes”, “No”, or “Unsure”).
- Figure 2.
Number of respondents who did and did not decline a tree felling job for ethical reasons in the past year (“Yes, “No”).
- Figure 3.
How arborists perceive client’s motivations for seeking tree felling on their property.
Tables
- Table 1.
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) - Table 2.
Results of ordinal logistic regression exploring factors associated with arborists’ perspectives that clients’ opinions about trees should be challenged, particularly when a client’s opinion contradicts their own experience. The odds ratio represents the odds of answering “Always” or “Often” versus “Sometimes”. CI (confidence intervals).
Variable Clients should be challenged “Always” or “Often” vs “Sometimes” Gender Proportional odds ratio (95% CI) Women 0.91 (0.27 - 3.17) Years worked in industry Continuous 1.04 (0.97 - 1.11) Higher education College or higher 1.08 (0.49 - 2.36) Company size 5 or more people 0.90 (0.39 - 2.05) ETW certification Yes 1.09 (0.50 - 2.41) Touch trees daily Yes 0.93 (0.33 - 2.56) - Table 3.
Bivariate analyses of demographic and work-related variables in relation to 2 outcomes of interest: declining a tree felling job and felling a tree that should have been retained in the past year. Significant results are shown in bold. OR (odds ratio); CI (confidence intervals).
Variable Declined tree felling job in past year (“yes” versus “no”) Felled tree in past year that should have been retained (“yes” versus “no”) Gender OR (95% CI) OR (95% CI) Women 1.11 (0.31 – 4.14) 0.60 (0.15 – 3.01) Years worked in industry Continuous 1.13 (1.05 – 1.24) 0.97 (0.89 – 1.06) Higher education College or higher 0.90 (0.39 – 2.09) 0.43 (0.12 – 1.31) Company size 5 or more people 0.81 (0.34 – 1.93) 1.36 (0.44 – 4.73) ETW Certification Yes 4.39 (1.81 – 11.24) 3.18 (0.99 – 12.29) Touch trees daily Yes 2.83 (0.98 – 8.94) 1.41 (0.35 – 4.83)
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