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Table 1. Survey Response1

Table 1. Survey Response1

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  Unlimited License Mariners Unlicensed Mariners Total Mariners
Response Rates      
Mailed out 1,796 3,479 5,275
Ineligible (deceased) 9 15 24
Final eligible sample 1,787 3,464 5,270
Completed 1,124 1,131 2,255
Survey Response Rate 63% 33% 43%
Breakdown of Nonrespondents      
Locatedrefused to participate 71 256 327
Locatedagreed but did not return survey 52 134 186
Locatedon a ship and could not complete survey 94 267 361
Locateddisabled and unable to complete 2 28 30
No contact (wrong address/phone or no return) 444 1,648 2,092
Total percent located (completions/deceased/located) 75% 53% 60%

1 Rates are calculated as follows: completed interviews [(completed interviews + partial interviews) + (refusals + non-contacts + other) + e], where e is an estimate of the proportion of unknown outcomes that are eligible. e was calculated based on the number of returns or phone calls that indicated a sample member was deceased (0.5% of the total sample).

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and Maritime Administration, 2002 Mariner Survey, Principal Findings, Washington, DC.