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. 2014 Jul 8;9(7):e102121. doi: 10.1371/journal.pone.0102121

Table 3. Socio-demographic characteristics of the analysis sample (N = 625).

Variable N %
Gender
Male 576 93
Female 41 7
Educational Level
Primary/lower secondary school 22 4
Upper secondary vocational school/upper secondary university preparation school 297 49
College/university 174 28
Special training (e.g., gardener in chief) 119 19
Business sector
Private consumer business 395 66
Wholesale market 30 5
Mixed clientele 172 29
Main Source of Income
Horticulture, landscape architecture & gardening 219 36
Horticulture & landscape architecture 133 22
Gardening 86 14
Potted plants and cut flowers 77 13
Tree nurseries 43 7
Various combinations of horticultural sectors 47 8
Average number of full-time employees per year
1–5 280 45
6–15 194 31
16–30 79 13
>30 65 11
Function in the company
General manager/brand manager 538 89
Head of department 39 6
Other position, e.g., in administration 31 5
Age (range 23–96 years) M SD
In years 47 11