Table 4 Binary logistic regression analysis on factors influencing a response to the study invitation
Variable | Regression coefficient | Standard error | df | p | Exp(B) | 95% confidence interval for Exp(B) | |
|---|---|---|---|---|---|---|---|
Lower threshold | Upper threshold | ||||||
Personalized invitation | 0.254 | 0.153 | 1 | .095 | 1.290 | 0.956 | 1.739 |
State (Ref.: Baden-Wuerttemberg) | 2 | .015 | |||||
Rhineland-Palatinate | −0.475** | 0.168 | 1 | .005 | 0.622 | 0.447 | 0.865 |
Saarland | −0.372 | 0.335 | 1 | .268 | 0.690 | 0.357 | 1.331 |
Sex: Female | 0.076 | 0.157 | 1 | .627 | 1.079 | 0.793 | 1.470 |
(Doctoral) degree | 0.074 | 0.175 | 1 | .673 | 1.077 | 0.764 | 1.518 |
Constant | −1.903*** | 0.198 | 1 | .000 | 0.149 | ||