Evaluation of English and Spanish Health Information on the Internet

Table 2.4: Efficiency of Reaching Relevant Content, by Condition

Condition Total Number of Links on First Results Page (4 Medical Conditions) Number of Relevant Links from First Results Page(%) Percentage of Pages with Relevant Content Reached from Selected Relevant Links** Percentage of Pages with Relevant Content Reached in One Click from Selected Relevant Links**
English Engines 3735 1265 (34%) 59 39
Breast Cancer 802 366 (46%) ++ 53 24
Childhood Asthma 738 263 (36%) 69 48 ++
Depression 882 328 (37%) ++ 57 30
Obesity 1313 308 (23%) -- 59 22 --
Spanish Engines 1685 296 (18%) 63 38
Breast Cancer 419 76 (18%) 58 45
Childhood Asthma 402 66 (16%) 79 41
Depression 429 62 (14%) 56 31
Obesity 435 92 (21%) 60 35
++Statistically better performance than the mean of other conditions within language (p<=0.05)

--Statistically lower performance than the mean of other conditions within language (p<=0.05)


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Chapter 2