Table 2 Odds ratios for the regression model: original and bootstrap
From: Individual characteristics and student’s engagement in scientific research: a cross-sectional study
INDEPENDENT VARIABLES | Step 1 | Step 2 | Step 3 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Model | Model | Model | Bootstrap (1000 samples) | ||||||||||
B | Exp(B) | B | Exp(B) | B | χ 2 WALD | Exp(B) | Exp (B*5) | Bias | Std. Error | Sig. (2-tailed) | Conf. Int. (95%) | ||
OPPORTUNITIES | .480 | 1.616*** | .480 | 1.616*** | .475 | 48.860*** | 1.608*** | -- | .007 | .068 | .001 | .358 | .623 |
PERSONALITY TRAITS | |||||||||||||
Extroversion | -.080 | .923** | -.080 | .923** | -.080 | 10,490** | .923** | 0.670 | -.003 | .027 | .004 | -.138 | -.032 |
Neuroticism | -.030 | .971 | -.030 | .970 | -.030 | 2,875 | .971 | -- | -.002 | .017 | .059 | -.062 | .004 |
Openness to experience | .090 | 1.094*** | .089 | 1.093*** | .090 | 15,141*** | 1.094*** | 1.567 | .001 | .025 | .001 | .046 | .146 |
Conscientiousness | .046 | 1.047* | .046 | 1.048* | .047 | 6,126* | 1.049* | 1.268 | .001 | .019 | .005 | .011 | .088 |
Agreeableness | -.042 | .959 | -.042 | .959 | -.044 | 3,647 | .957 | -- | -.002 | .025 | .064 | -.096 | .003 |
SOCIO-DEMOGRAPHICS | |||||||||||||
Gender | .700 | 2.014** | .700 | 2.014** | .707 | 7,376** | 2.029** | -- | .014 | .262 | .004 | .214 | 1.251 |
1st Generation Student | -.043 | .958 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | |
ADMISSION DATA | |||||||||||||
GPA | .095 | 1.099* | .094 | 1.098* | .103 | 8,051** | 1.108** | 1.672 | .005 | .039 | .008 | .030 | .179 |
University choice | .175 | 1.191 | .176 | 1.193 | -- | -- | -- | -- | -- | -- | -- | -- | |
Constant | −19.794 | .000 | −19.627 | .000 | −21.123 | 9,943 | .000 | -- | -.801 | 7.107 | -- | −35.421 | −7.579 |
N | 435 | 435 | 435 | ||||||||||
Pseudo R-square | .335 | .335 | .334 | ||||||||||
−2 log likelihood | 458.544 | 458.577 | 458.903 | ||||||||||