Method | Correlation | Two-step | One-step | P value |
---|---|---|---|---|
Bivariate selection models | Output value and noncontact | 0.069 | 0.052 | 0.852 |
Output value and refusal | − 0.576 | − 0.411 | 0.000 | |
Univariate selection model | Output value and nonresponse | − 0.393 | − 0.287 | 0.000 |