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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  
  1. *p < .05; **p < .01; ***p < .001.