Table 3.

Univariate and multivariate linear regression analyses of personality trait scores and time to complete

Item	Category	n	Univariate			Multivariate
			Estimate	95% CI	P-value	Estimate	95% CI	P-value
Group	Video	45
	Simulator	41	−365.5	−609.2 to −121.7	0.0033	−380.1	−606.1 to −154.1	0.001
Gender	Male	62
	Female	24	−220.6	−501.5 to 60.31	0.1238
N	Average	30
	Very low	12	−210.3	0.81 to 3.16	0.175
	Low	26	69.3	0.55 to 1.6	0.8081
	High	14	36.46	0.51 to 1.91	0.9586
	Very high	4	−356.2	0.9 to 7.66	0.078
E	Average	32
	Very low	6	111.6	−393.9 to 617.0	0.6653	145.5	−338.1 to 629.1	0.5553
	Low	26	−241.1	−544.1 to 55.89	0.1108	−107.4	−381.3 to 166.5	0.4422
	High	16	−370.2	−718.1 to −22.31	0.037	−418.2	−743.9 to −92.53	0.0118
	Very high	6	113.1	−392.4 to 618.5	0.6611	52.16	−407.3 to 511.7	0.8239
O	Average	29
	Very low	10	235.0	−188.7 to 658.8	0.277
	Low	24	78.74	−240.1 to 397.6	0.6284
	High	15	62.31	−305.2 to 429.8	0.7397
	Very high	8	−322.4	−783.8 to 139.1	0.1709
A	Average	35
	Very low	6	−269.9	−762.5 to 222.7	0.2829	−408.4	−883.7 to 66.89	0.0922
	Low	18	−326.9	−650.3 to −3.57	0.0475	−290.9	−290.1 to −590.5	0.057
	High	19	260.8	−56.88 to 578.5	0.1076	249.9	−48.1 to 547.9	0.1003
	Very high	8	−65.96	−502.9 to 370.9	0.7673	61.03	−365.8 to 487.9	0.7793
C	Average	30
	Very low	3	37.13	−679.1 to 753.4	0.9191
	Low	17	−53.65	−412.7 to 305.4	0.7696
	High	23	−45.88	−373.7 to 281.9	0.7838
	Very high	13	−79.46	−472.2 to 313.3	0.6917

A: agreeableness, C: conscientiousness, CI: confidence Interval, E: Extraversion, N: neuroticism, O: openness.