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To: techdiver@opal.com
Subject: Corrected Survey Results
From: <RICK515@de*.co*>
Date: Tue, 05 Oct 1993 09:17:24 -0400 (EDT)
It appears that some mail was hung up at my end, the order of which
made no sense at all.  Some new mail made it in before a few that
were quite old.  Anyway, I have been assured by the folks here that
all mail that has arrived has been made available so I stayed up the
better part of last night checking over the results and there are a
few minor corrections and a few new figures.
---------------------------------------------------------------------

The number of people who responded now stands forever more as 46
Percent of List  23.71%

The oldest male who listed an age was 54

The oldest female was 48

On Dives by Type

Type            Num.    Percent       Responses        Percent of
of Dive      of Dives   by Dive        N(type)      Responders Engaged *
----------------------------------------------------------------------
Open Water      18,393  78.76%          43              93.48% $      
Ice             408      1.75%          17              36.96%
Wreck           2931    12.55%          28              60.87%          
Cavern          524      2.24%          21              45.65%
Cave            1098     4.70%          14              30.43%
Deep            3562    15.25%          41              89.13%
Total          23,354

*(Before anyone writes me, this refers back to N=46)
$(I think it would be safe to assume that you could adjust this
  figure to 100% 
Gases Used      N=61

Air Only        50.82%
EAN             22.95%
Tech Nitrox     14.75%
HE/OX           3.28%
Trimix          8.20%

Number of Decompression Dives                             4,466
Percent of Subscribers who have made Decompression Dives  71.74%
Percent of All Dives that were Decompression Dives        19.12%

Percent of Subscribers using Computers                    78.26%

Custom Tables                                              6.25%
Computer Software                                         10.87

Percent Subscribers who have had a DCS Episode            13.04%
Percent Treated by Recompression                           4.35%

Rate of DCS by all Dives                                   0.03%
Rate of DCS by Decompression Dives                         0.18%

Thanks
RMW

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