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. 2017 Apr 3;12(4):e0172827. doi: 10.1371/journal.pone.0172827

Table 1. Participants’ demographics.

Parameters were evaluated for statistically significant differences by either Fisher’s exact test or Mann Whitney U test#, respectively.

Parameter Total Control Tablet P Value
N = 55 N = 31 N = 24
Gender [n / %]
 • Male 20 / 36.4 8 / 25.8 12 / 50 0.091
 • Female 35 / 63.6 23 / 74.2 12 / 50
Age
 • Median [IQR] 28 (27–29) 28 (27–29) 28 (26–30) 0.742#
Nationality [n / %]
 • German 50 / 90.9 29 / 93.5 21 / 87.5 0.643
 • other 5 / 9.1 2 / 6.5 3 / 12.5
Education Level [n / %]
 • Student 36 / 65.5 21 / 67.7 15 / 62.5 0.778
 • Resident 19 / 34.5 10 / 32.3 9 / 37.5
Exposure to foreign medical education
Familiar with USMLE® Exam [n / %] 39 / 70.9 23 / 74.2 16 / 66.7 0.565
Received training in a foreign country [no. / %] 23 / 41.8 14 / 45.2 9 / 37.5 0.595
Received training in the US [n / %] 3 / 5.5 1 / 3.2 2 / 8.3 0.575
Computer affinity
Number of computers owned
Median [IQR] 1(1–2) 1(1–2) 1(1–2) 0.262#
Current computer type in use [no. / %]
 • Desktop only 0.152
 • Notebook/Laptop only 0 0 0
 • Both desktop and notebook/laptop 26 / 47.3 12 / 38.7 14 / 58.3
29 / 52.7 19 / 61.3 10 / 41.7
Portable computer knowledge [no. / %]
 • Tablet PC
Knows it 28 / 50.9 15 /48.4 13 / 54.2 0.787
Uses it 1 / 1.8 0 1 / 4.2 0.436
 • Palm or other PDA usage 4 / 7.3 2 / 6.5 2 / 8.3 0.79
13 / 23.6 8 / 25.8 5 / 20.8 0.756
Main computer usage location [no. / %]
 • Home
 • Work 53 / 96.4 31 / 100 22 / 91.7 0.186
 • Campus 44 / 80.0 25 / 80.6 19 / 79.2 0.892
13 / 23.6 7 / 22.6 6 / 25.0 0.834
Current exposure to eLearning
Years of eLearning experience Median [IQR] 1.0 (0.5–1.3) 1.0 (0.5–1.0) 0.8 (0.0–1.7) 0.444#
eBook Collection [no. / %]
 • Knows eBook collection 7 / 12.7 3 / 9.7 4 / 16.7 0.686
 • Uses eBook collection 11 / 20.0 4 / 12.9 7 / 29.2 0.18
 • Subscribed to eBooks 16 / 29.1 10 / 32.3 6 / 25.0 0.765
Resources used for problem solving [no. / %]
 • Article
 • Book catalogue 40 / 72.7 27 / 87.1 13 / 54.2 0.138
 • Virtual Library 37 / 67.3 27 / 87.1 10 / 41.7
 • eBook 27 / 49.1 21 / 67.7 6 / 25.0
 • eLearning 12 / 21.8 6 / 19.4 6 / 25.0
 • Other resource 9 / 16.4 7 / 22.6 2 / 8.3
 • No resources 1 / 1.8 1 / 3.2 0
11 / 20.0 4 / 12.9 7 / 29.2
Search Engine used for problem solving [no. / %]
 • Google
 • Pubmed 48 / 87.3 29 / 93.5 19 / 79.2 0.22
 • Wikipedia 54 / 98.2 31 / 100 23 / 95.8 0.436
 • Other Search Engine 26 / 47.3 14 / 45.2 12 / 50.0 0.789
17 / 30.9 13 / 41.9 4 / 16.7 0.716
Self-rated internal medicine knowledge
Rating [n / %]
 • Excellent 1 / 1.8 1 / 3.2 0 / 0 0.392
 • Good 19 / 34.5 11 / 35.5 8 / 33.3
 • Passable 31 / 56.4 18 / 58.1 13 / 54.2
 • Adequate 4 / 7.3 1 / 3.2 3 / 12.5
 • Failure 0 / 0 0 /0 0 / 0