Table 1.

Pretrial questionnaire results.

	Values, mean (SD)	Variance
SF-36a general health	72.54 (18.96)	359.471
MMSEb	28.49 (1.55)	2.410
GDSc	1.43 (2.11)	4.468
MDPQd overall	3.53 (1.26)	1.577

^aSF-36: 36-item Short Form Health Survey.

^bMMSE: Mini-Mental State Examination.

^cGDS: Geriatric Depression Scale.

^dMDPQ: Mobile Device Proficiency Questionnaire.