Table 1. Characteristics of physician response in the different websites: answer length and proportion professional medical terms in the answer.

Website	Average response length (number of words) [CI 95%]	Proportion of words using medical terminology [CI 95%]
NetDoctor (UK)	190 [187–193]	21.4% [21.3%–21.4%]
AskTheDoctor (Canada)	121 [119–123]	25.7% [25.5%–25.9%]
WebMD (USA)	109 [107–111]	21.8% [21.7%–22.0%]
BeOK (Israel)	35 [34.6–35.7]	29.9% [29.7%–30.0%]