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From page 25... ... 7 Analysis of Response Rates Table 3 and Table 4 show the response rates obtained for each airport community for the mail and telephone surveys, respectively. The denominator used for each response rate is the number of addresses selected for the sample minus the postal non-deliverables (PNDs) Read the entire page →
From page 26... ... Table 4 Response Rates for ACRP Telephone Survey Telephone Survey Number Of Addresses Number of Addresses Less Postal Nondeliverables Number Of Households providing telephone numbers from screener Response rate for request for telephone number on Screener Number of Telephone Interviews Telephone Response Rate Airport 1, all 1098 997 144 14.4% Matched telephone number 369 365 79 21.6% Unmatched telephone number 729 632 140 22.2% 65 10.3% Long screener 365 318 90 28.3% 38 11.9% Short screener 364 314 50 15.9% 27 8.6% Airport 2, all 1100 1021 114 11.2% Matched telephone number 338 334 51 15.3% Unmatched telephone number 762 687 171 24.9% 63 9.2% Long screener 381 346 104 30.1% 27 7.8% Short screener 381 341 67 19.6% 36 10.6% Airport 3, all 1095 1046 114 10.9% Matched telephone number 594 588 81 13.8% Unmatched telephone number, long screener 501 458 99 21.6% 33 7.2% All airports, all 3293 3064 372 12.1% Matched telephone number 1301 1287 211 16.4% Unmatched telephone number 1992 1777 410 23.1% 161 9.1% Long screener 1247 1122 293 26.1% 98 8.7% Short screener 745 655 117 17.9% 63 9.6% NOTE: The matched telephone numbers in the table refer to those for which an initial match was found in the directory. Some of these numbers were later discovered to be invalid, and those addresses were subsequently mailed a screener requesting the telephone number. Read the entire page →
From page 27... ... Table 5 Number of Completed Interviews, by DNL noise stratum and Survey Mode DNL noise stratum Total 50-55 55-60 60-65 65-70 70+ Airport 1, all 170 185 181 536 Telephone 49 44 51 144 Mail 121 141 130 392 Airport 2, all 105 90 91 116 100 502 Telephone 25 19 23 22 25 114 Mail 80 71 68 94 75 388 Airport 3, all 63 64 92 199 418 Telephone 21 14 26 53 114 Mail 42 50 66 146 304 All airports 338 339 364 315 100 1456 Telephone 95 77 100 75 25 372 Mail 243 262 264 240 75 1084 Figure 11 Response Rates by Airport and Mode of Survey 23 Read the entire page →
From page 28... ... 7.1 Comparison of Sample with Population Demographic Quantities Demographic information was available from the 2010 Census for the census blocks containing the sampled households from each airport. The DNL noise strata used for sampling have irregular shapes because of the different noise exposures for households in the landing, takeoff, and sideline areas. Read the entire page →
From page 29... ... Census. The results from the model are consistent with the analyses presented above: households sent the mail survey are much more likely to respond to the survey, after accounting for all other variables. Read the entire page →

From page 25...

... 7 Analysis of Response Rates Table 3 and Table 4 show the response rates obtained for each airport community for the mail and telephone surveys, respectively. The denominator used for each response rate is the number of addresses selected for the sample minus the postal non-deliverables (PNDs)

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From page 26...

... Table 4 Response Rates for ACRP Telephone Survey Telephone Survey Number Of Addresses Number of Addresses Less Postal Nondeliverables Number Of Households providing telephone numbers from screener Response rate for request for telephone number on Screener Number of Telephone Interviews Telephone Response Rate Airport 1, all 1098 997 144 14.4% Matched telephone number 369 365 79 21.6% Unmatched telephone number 729 632 140 22.2% 65 10.3% Long screener 365 318 90 28.3% 38 11.9% Short screener 364 314 50 15.9% 27 8.6% Airport 2, all 1100 1021 114 11.2% Matched telephone number 338 334 51 15.3% Unmatched telephone number 762 687 171 24.9% 63 9.2% Long screener 381 346 104 30.1% 27 7.8% Short screener 381 341 67 19.6% 36 10.6% Airport 3, all 1095 1046 114 10.9% Matched telephone number 594 588 81 13.8% Unmatched telephone number, long screener 501 458 99 21.6% 33 7.2% All airports, all 3293 3064 372 12.1% Matched telephone number 1301 1287 211 16.4% Unmatched telephone number 1992 1777 410 23.1% 161 9.1% Long screener 1247 1122 293 26.1% 98 8.7% Short screener 745 655 117 17.9% 63 9.6% NOTE: The matched telephone numbers in the table refer to those for which an initial match was found in the directory. Some of these numbers were later discovered to be invalid, and those addresses were subsequently mailed a screener requesting the telephone number.

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From page 27...

... Table 5 Number of Completed Interviews, by DNL noise stratum and Survey Mode DNL noise stratum Total 50-55 55-60 60-65 65-70 70+ Airport 1, all 170 185 181 536 Telephone 49 44 51 144 Mail 121 141 130 392 Airport 2, all 105 90 91 116 100 502 Telephone 25 19 23 22 25 114 Mail 80 71 68 94 75 388 Airport 3, all 63 64 92 199 418 Telephone 21 14 26 53 114 Mail 42 50 66 146 304 All airports 338 339 364 315 100 1456 Telephone 95 77 100 75 25 372 Mail 243 262 264 240 75 1084 Figure 11 Response Rates by Airport and Mode of Survey 23

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From page 28...

... 7.1 Comparison of Sample with Population Demographic Quantities Demographic information was available from the 2010 Census for the census blocks containing the sampled households from each airport. The DNL noise strata used for sampling have irregular shapes because of the different noise exposures for households in the landing, takeoff, and sideline areas.

Read the entire page →

From page 29...

... Census. The results from the model are consistent with the analyses presented above: households sent the mail survey are much more likely to respond to the survey, after accounting for all other variables.

Read the entire page →

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