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. 1999 Aug 7;319(7206):358–361. doi: 10.1136/bmj.319.7206.358

Table 2.

Information sources used by family doctors to find answers to 399 questions

Information source No of times used (% of total) Time spent seeking answers (seconds)*
No (%) of searches that were successful
Mean (SD) Median (IQR)
Human (such as doctor, pharmacist) 161 (36) 109 (104) 68 (150) 127 (79)
Non-prescribing printed information (such as textbooks, journal articles) 143 (32) 100 (89) 70 (75) 75 (52)
Prescribing text 113 (25) 70 (66) 50 (60) 96 (85)
Printed information posted on walls 17 (4) 42 (34) 35 (45) 14 (82)
Computer application (such as CD Rom, internet) 10 (2) 395 (552) 180 (210)  2 (20)
Total  444 (100) 102 (137) 60 (90) 314 (71) 

SD=standard deviation, IQR=interquartile range. 

*

Kruskal-Wallis test, with Bonferroni corrected P values, showed that average time spent with non-prescribing print sources and with computers was higher than with prescribing texts (P<0.01) or posted information (P<0.05). There were no other significant differences in paired comparisons. 

5×2 χ2 test with 4 degrees of freedom was significant (P<0.001).