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Rick writes: >survey because of that, I elected not to include it. Another reason I >did not do it was because it would only document the income of techdiver-l >subscribers and not techdiving population at large which has been done. But you could say the same thing about the entire survey - it is a survey of those members of techdiver@opal.com who could be bothered to respond, and in those terms it may be interesting. However, I'm not sure that you can infer anything about the techdiving population at large from the results of this survey. >One point that survey made was that techdivers make up 7-10 percent of the >overall population but account for approx. 40% of the installed base of >equipment and 30% of the annual dive spending in the US! If those results >are valid, I think it fair to assume that techdivers are affluent and Those results of course may be valid for the US but are not valid for the rest of the world, who make up a sizeable proportion of the membership of this mailing list. As a related issue, I'm not sure that the term `techdiver' is one that can be easily defined in the UK, although I will happily accept suggestions. >Where I noticed a variation between the Aqua-Corps survey and the one done >here was that the techdiver-l subscribers are better educated. But this shouldn't be a surprise, because the vast majority of people with access to this mailing list are either based at higher education establishments or are employed in posts which require a higher standard of education. And this might lead you to suspect that they are more affluent. Besides this skewing towards well-educated individuals, the sample size of this survey is far too small to allow any conclusions to be drawn from it. My personal experience of diving with other divers with preferences for deep diving, wreck diving, decompression diving or cave diving (which seem to me to be the kind of thing that begins to define `techdivers') is that there is NO correlation whatever between social status, occupation, intelligence or income they may have and the type of diving they do. >>insured group than ordinary sport divers, and how the treatment refusal rate >>for DCS compares with the larger sport diving population...(....) Refused treatment for DCS? Or inability to pay for it? I don't see any possible scenario in the UK whereby I could be refused DCS treatment, although there might be an argument about the bill. Once again, this is too US-centric to be relevant to this mailing list. Regards Pete
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