Table 3 -. Logistic regression with selection of stepwise variables for predicting the stressors dimension in nursing students (n=796). Lima, Peru, 2021.

Variable	b*	SE †	Exp (b) ‡
Intercept	0.76	0.41	2.15
Position when using the ED § (sitting upright)	-1.02||	0.20	0.36
Position when using the ED § (lying down)	-0.73	0.56	0.48
Time using the ED § (>5 hours)	0.92 ||	0.24	2.53
Age (20-29 years old)	0.13	0.25	1.14
Age (30-39 years old)	-0.75 ¶	0.35	0.47
Age (>40 years old)	-1.89**	0.61	0.15
Sex (Male)	-0.67**	0.24	0.51
Screen brightness (bright)	0.15	0.22	1.17
Screen brightness (very bright)	1.46**	0.49	4.32
Rest duration (6-10 min)	0.19	0.24	1.22
Rest duration (11-19 min)	0.57 ¶	0.28	1.77
Rest duration (>20 min)	-0.68 ¶	0.34	0.51
Distance between face and ED § (30-50 cm)	0.40	0.21	1.50
Distance between face and ED § (>50 cm)	-0.19	0.41	0.83

^*b = Non-standard coefficient;

^† SE = Standard error;

^‡ B = Standard coefficient;

^§ ED = Electronic device;

^|| P value < 0.001;

^¶ P value < 0.05;

^**P value < 0.01