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Table 5 Explanatory variables used in models for response and nonresponses

From: Sample selection bias with multiple dependent selection rules: an application to survey data analysis with multilevel nonresponse

Dependent variable

Explanatory variables

Values

Logarithm of output

Logarithm of the number of employees

Real number

Status of registration in Bourse

2 categories: 1 for registered and 2 for not registered

Economic activity code (ISIC)

2 categories: 1 for Manufacture of rubber tyres and tubes plastics products and 2 for Manufacture of other rubber products (Isic4_2219)

Noncontact

Organization of conducting survey

3 categories: Org. 1, Org. 7 and Org. 11

Status of participation in previous survey

2 categories: 1 for refusal and 2 for noncontact

Having ancillary unit

2 categories: 1 for having and 2 for not

Location of establishment

2 categories: 1 for in industrial zone and 2 for out of industrial zone

Refusal

Organization of conducting survey

6 categories: Org. 3, Org. 10, Org. 12, Org. 20, Org. 23 and Org. 25

Status of participation in previous survey

3 categories: 0 for respondent, 1 for refusal and 2 for noncontact

Status of being in sample in previous survey

2 categories: 1 for in sample and 2 for not in sample

Having ancillary unit

2 categories: 1 for having and 2 for not having