Table 2 List of possible variables extracted for the systematic review on the baseline susceptibility of insect pests to Bt-proteins

Article_id

Unique identification number assigned to each publication

Integer

No

Author

Author(s) of the listed publication.

Text

No

Publication_year

Year of publication of study

Integer

No

Citation

Citation, e.g. journal name, volume and page numbers

Text

No

Title

Title of the publication

Text

No

Was_peer_reviewed

Indicates whether study was published in a peer reviewed journal.

String

Yes

Country

Country where insects were collected

String

Yes

Expmt_num

Number of experiment within a study (e.g. different species, population, Bt-toxins, years, etc.)

String

No

Bt_protein

Bt-protein used for the toxicity tests

String

Yes

Target_order

Target taxoNomic order

String

Yes

Target_family

Target taxoNomic family

String

Yes

Target_genus

Target taxoNomic genus

String

Yes

Target_species

Target taxoNomic species

String

Yes

Stage

Stage of the test organism

String

Yes

Test_method

Used test methodology such as surface test, incorporation test, test with discriminate dose or plant material

String

Yes

No_test_organisms

Number of test organisms

Real

No

No_doses

Number of Bt protein doses used

Real

No

Control_No_test_organism

Number of test organism in the control

Real

No

Dose_No_test_organism

Number of test organism in the treatment

Real

No

Model_used

Statistical model used by author to characterize the dose- response relationship.

String

Yes

Endpoint_50

LC₅₀/ EC₅₀/MIC₅₀

String

Yes

Variability_endpoint_50

Variability (CI, SD, SE) of LC₅₀/ EC₅₀/MIC₅₀

String

Yes

Endpoint_90

LC₉₀/EC₉₀/MIC₉₀

String

Yes

Variability_endpoint_90

Variability (CI, SD, SE) of LC₉₀/EC₉₀/MIC₉₀

String

Yes

Slope

Slope ± SE of the dose response curve

String

Yes

X_2

χ2 goodness of fit test

string

Yes

df

Degrees of freedom of the model

String

Yes