Table 1.

Demographic characteristics and version preferences of the 150 subjects

	Medical students	Outpatients	χ2	P
Sample quantity	100 (66.7%)	50 (33.1%)
Sex			3.42	>0.05
Male	54 (54%)	19 (38%)
Female	46 (46%)	31 (62%)
Average age (year)	23.0	46.4	−	<0.001
Education			52.80a	<0.001
High school	2 (2%)	24 (48%)
University	75 (75%)	25 (50%)
Post-graduate	23 (23%)	1 (2%)
Computer experience			61.04	<0.001
Often use	94 (94%)	19 (38%)
Rare use	6 (6%)	19 (38%)
Never use	0 (0%)	12 (24%)
Preference to			9.108	<0.05
Paper version	15 (15%)	2 (4%)
Electronic version	60 (60%)	42 (84%)
Do not care	25 (25%)	6 (12%)

^aFisher