Table 3.

Correlations between smartphone-based self-assessed stress and the Perceived Stress Scale, the Eysenck Personality Questionnaire-Neuroticism, the Functioning Assessment Short Test, and the Kendler Stressful Life Events questionnaire (N=39).

Stress (scale 0-2)	Unadjusted		Adjusteda
	Coefficient (95% CI)	P value	Coefficient (95% CI)	P value
PSSb (n=39)	0.0167 (0.0070 to 0.0026)	.001	0.0162 (0.0064 to 0.0259)	.001
EPQ-Nc (n=38)	0.0174 (0.0023 to 0.0325)	.02	0.0167 (0.0011 to 0.0323)	.04
FASTd (n=38)	0.0329 (0.0036 to 0.0622)	.03	0.0307 (0.0012 to 0.6018)	.04
SLEe, last year (n=36)	–0.0055 (–0.0329 to 0.0219)	.69	–0.0191 (–0.0520 to 0.0138)	.25
SLE, lifetime (n=36)	0.0064 (–0.0373 to 0.0502)	.77	–0.0020 (–0.0483 to 0.0444)	.93

^aAdjusted for age and sex.

^bPSS: Perceived Stress Scale.

^cEPQ-N: Eysenck Personality Questionnaire-Neuroticism.

^dFAST: Functioning Assessment Short Test.

^eSLE: Kendler Questionnaire for Stressful Life Events