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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Libr Inf Sci Res. 2009 Sep 1;31(3):155. doi: 10.1016/j.lisr.2009.03.004

Table 3.

Use, usability, and usefulness of NIHSeniorHealth.gov and MedlinePlus.gov

NIHSeniorHealth.gov

Usage 0–1 time 2–4 times 5–10 times > 10 times
% of participants 19 41 20 19

Usability

Able to find needed info Occasionally or Never Sometimes Most of the Time Always
% of participants 7 5 42 46
Ease of Use Difficult Neither Difficult nor Easy Easy Very Easy
% of participants 0 34 45 21

Usefulness Useless Somewhat Useful Useful Very Useful

% of participants 1 2 43 54
MedlinePlus.gov

Usage 0–1 time 2–4 times 5–10 times > 10 times
% of participants 23 39 26 12

Usability

Able to find needed info Occasionally or Never Sometimes Most of the Time Always
% of participants 7 10 39 44
Ease of use Difficult Neither Difficult nor Easy Easy Very Easy
% of participants 1 31 49 19

Usefulness Useless Somewhat Useful Useful Very Useful

% of participants 1 8 48 43