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. 2008 May 28;8:20. doi: 10.1186/1472-6947-8-20

Table 3.

Summary statistics for key study variables.

Students Trainees Consultants pdifference ptrend
Gender (n, % male) 30 (39.0) 47 (53.4) 136 (74.3) < .001 < .001
Age in years (mean, SD) 26.4 (5.7) 32.5 (6.9) 47.7 (9.8) < .001 < .001
REI (mean, SD)
 Need for cognition (total) 4.0 (0.4) 3.9 (0.4) 3.9 (0.4) .054 .027
 Need for cognition (ability) 4.1 (0.5) 3.8 (0.6) 4.0 (0.4) .018 .203
 Need for cognition (favourability) 4.0 (0.4) 3.9 (0.4) 3.8 (0.4) .020 .009
 Faith in intuition (total) 3.3 (0.5) 3.2 (0.6) 3.0 (0.5) < .001 < .001
 Faith in intuition (ability) 3.5 (0.5) 3.4 (0.5) 3.3 (0.5) .006 .002
 Faith in intuition (favourability) 3.2 (0.7) 3.1 (0.7) 2.8 (0.6) < .001 < .001
ICBM22 (mean, SD) 10.1 (2.9) 11.4 (2.8) 12.0 (2.9) < .001 < .001
ICBM10 (mean, SD) 4.0 (2.1) 5.3 (2.0) 5.6 (2.0) < .001 < .001
ICBM17 (mean, SD) 7.3 (2.7) 8.7 (2.6) 9.1 (2.8) < .001 < .001
ICBMs1 (mean, SD) 4.4 (2.1) 4.6 (2.3) 5.2 (2.4) .016 .007
ICBMs2 (mean, SD) 4.7 (2.1) 6.2 (1.8) 6.6 (1.9) < .001 < .001