Table 2.

Characteristics of social media use, disease knowledge, eHealth literacy and preventive behaviors (N=802), mean (SD).

Characteristic		Value
Social media use time (hours)		2.34 (1.11)
Social media use frequencya		13.59 (2.42)
Social media typeb
	Official social media	2.54 (1.20)
	Professional social media	2.48 (1.11)
	Public social media	4.49 (0.78)
	Aggregated social media	4.07 (1.07)
Disease knowledgec		8.15 (1.43)
eHealth literacyd		3.79 (0.59)
Preventive behaviorse		4.30 (0.44)

^aMeasured by the sum score of the frequencies of all four types of social media channels (maximum score: 20).

^bMeasured on a scale with scores of 1=never used to 5=one or more times per day.

^cMeasured by 10 yes/no questions with a possible score of 1 to 10 (Cronbach α=.70).

^dMeasured by the 8-item eHealth Literacy Scale with scores of 1=totally disagree to 5=totally agree (Cronbach α=.82).

^eMeasured by a 10-item scale with scores of 1=never executed to 5=do it every time (Cronbach α=.75).