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. 2017 Jan 18;19(1):e23. doi: 10.2196/jmir.7056

Table 4.

Quality of information websites (N=693).

Item n (%)
Quality criteria

Authoring informationa 102 (82.9)

Authors 376 (54.3)

Sources 229 (33.0)

Creation or update date 467 (67.4)

Privacy statement 474 (68.4)

Declaration of evidence 360 (51.9)

Marking of conflicts of interests 211 (30.4)

Consideration of target group 643 (92.8)

Evaluation of informationa 99 (80.5)

Review of informationa 47 (38.2)

Characteristics of the website (accessibility)


BITV-Test (barrier-free information technology regulation) 0 (0.0)


Font size adjustable 692 (99.9)


Consideration of persons with color vision deficiency in coloration 396 (57.1)


User can have read out website’s content 692 (99.9)


Main menu selectable without a mouse 689 (99.4)


Information in simple language 0 (0.0)


Newsletter 120 (17.3)


Printed version 218 (31.5)


Multimedia 299 (43.1)

Imprint 638 (92.1)

Contact facility 687 (99.1)
Use of quality certificates

HONcode 28 (4.0)

Medisuch 8 (1.2)

Afgis 7 (1.0)

Stiftung Gesundheit 0 (0.0)

a Based on the datasets from the 123 questionnaires that were filled out by the information supplier.