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. 2017 Jun 19;19(9):2567–2582. doi: 10.1007/s10530-017-1467-4

Table 2.

Rotated factor loadings for public risk perceptions towards tree pests and diseases

Factors/items Factor 1 Factor 2
Factor 1: threats to public goods and ecosystem services
 Concern about impacts on woodland biodiversity .925 .112
 Concern about loss of tree species .891 .152
 Concern about landscape change .855 .230
 Concern about impacts on timber production .707 .432
 Concern about costs to government .682 .418
Factor 2: threat of personal economic and health impacts
 Concern about cost dealing with infected trees .149 .884
 Concern about health impacts on family .253 .839
Eigenvalue 4.244 1.122
% of cumulative variance 60.6 16.0
Cronbach’s alphaa .910 .756

Factor loadings derived from rotated component matrix using principal component analysis and varimax rotation with Kaiser normalisation

aCronbach’s alpha measures how closely related a set of items are, with coefficients over .7 indicating good internal consistency