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BTS Home > Programs > Omnibus Surveys > Targeted Survey > 2002 National Transportation Availability and Use Survey > Public Use Data Files
Printable Version

Table of Frequencies
Section D

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Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
D2 - DRIVER - Subject currently a driver        
Yes 3,415 176,842,151 83.15 0.821
No 904 35,827,079 16.85 0.821
Subtotal valid responses 4,319 212,669,230 100  
Inapplicable 695 60,567,826    
Dk 2 80,429    
Not ascertained 3 325,788    
Total 5,019 273,643,273    
D3 - DRIVFREQ - Number of days/wk subject drives        
1 73 2,555,165 1.45 0.228
2 191 6,401,521 3.63 0.369
3 211 7,052,621 4 0.418
4 199 8,086,760 4.58 0.467
5 356 17,978,556 10.19 0.687
6 397 21,292,693 12.07 0.763
7 1,910 111,522,079 63.2 1.102
Less than one day/week 64 1,564,103 0.89 0.155
Subtotal valid responses 3,401 176,453,498 100  
Inapplicable 1,604 96,801,122    
Refused 2 86,330    
Dk 9 187,646    
Not ascertained 3 114,678    
Total 5,019 273,643,273    
D4 - DRIVLESS - Subject drive less than used to        
Yes 1,462 61,927,765 37.95 1.156
No 1,698 101,265,393 62.05 1.156
Subtotal valid responses 3,160 163,193,157 100  
Inapplicable 1,604 96,801,122    
Refused 2 20,700    
Dk 12 825,748    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - ATNIGHT - Subject avoid driving at night        
Yes 1,193 49,728,217 30.34 1.083
No 1,975 114,172,957 69.66 1.083
Subtotal valid responses 3,168 163,901,173 100  
Inapplicable 1,604 96,801,122    
Refused 1 2,968    
Dk 5 135,464    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - BADWEATH - Subject drive less in bad weather        
Yes 1,782 86,199,186 52.7 1.217
No 1,383 77,370,523 47.3 1.217
Subtotal valid responses 3,165 163,569,709 100  
Inapplicable 1,604 96,801,122    
Refused 3 104,307    
Dk 6 365,589    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - FASTHWY - Subject avoid high-speed roads & hwys        
Yes 880 40,314,849 24.6 1.042
No 2,268 122,933,271 75.02 1.045
Not applicable 21 628,042 0.38 0.102
Subtotal valid responses 3,169 163,876,162 100  
Inapplicable 1,604 96,801,122    
Refused 1 2,968    
Dk 4 160,475    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - BSYROAD - Subject avoid busy roads & intersections        
Yes 1,354 68,247,070 41.75 1.197
No 1,785 94,127,950 57.59 1.199
Not applicable 26 1,075,396 0.66 0.176
Subtotal valid responses 3,165 163,450,416 100  
Inapplicable 1,604 96,801,122    
Refused 1 2,968    
Dk 8 586,221    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - DRIVSLOW - Subject drive slower than speed limits        
Yes 549 26,403,469 16.16 0.883
No 2,606 136,840,963 83.73 0.884
Not applicable 6 182,762 0.11 0.058
Subtotal valid responses 3,161 163,427,195 100  
Inapplicable 1,604 96,801,122    
Refused 3 46,041    
Dk 10 566,370    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - NOLEFTS - Subject avoid left-hand turns        
Yes 276 14,585,712 8.93 0.714
No 2,881 148,744,326 91.07 0.714
Subtotal valid responses 3,157 163,330,038 100  
Inapplicable 1,604 96,801,122    
Refused 2 37,936    
Dk 15 671,631    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - NORUSHHR - Subject avoid driving during rush hour        
Yes 1,452 72,104,360 44 1.209
No 1,637 88,774,960 54.18 1.211
Not applicable 78 2,982,004 1.82 0.279
Subtotal valid responses 3,167 163,861,323 100  
Inapplicable 1,604 96,801,122    
Refused 1 2,968    
Dk 6 175,313    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - NONEWPLC - Avoid driving unfamiliar roads/places        
Yes 987 47,945,321 29.33 1.108
No 2,174 115,512,694 70.67 1.108
Subtotal valid responses 3,161 163,458,016 100  
Inapplicable 1,604 96,801,122    
Refused 1 2,968    
Dk 12 578,621    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D4 - NOLDTRP - Avoid driving distances > 100 miles        
Yes 988 43,179,901 26.4 1.059
No 2,175 120,400,529 73.6 1.059
Subtotal valid responses 3,163 163,580,430 100  
Inapplicable 1,604 96,801,122    
Refused 1 2,968    
Dk 10 456,207    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D5 - EYESIGHT - How eyesight/nght vision now vs 5yrs ago        
Worse 1,058 49,066,205 30.14 1.077
Same 1,936 104,911,391 64.44 1.142
Better 161 8,816,929 5.42 0.579
Subtotal valid responses 3,155 162,794,525 100  
Inapplicable 1,604 96,801,122    
Refused 4 106,580    
Dk 15 1,138,500    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D5 - ATNSPAN - How is attention span now vs. 5yrs ago        
Worse 309 11,221,767 6.9 0.519
Same 2,498 128,728,710 79.1 1.006
Better 342 22,783,628 14 0.919
Subtotal valid responses 3,149 162,734,105 100  
Inapplicable 1,604 96,801,122    
Refused 2 79,572    
Dk 23 1,225,928    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D5 - HEARING - How is hearing now vs. 5yrs ago        
Worse 474 15,365,507 9.42 0.568
Same 2,590 140,726,980 86.27 0.773
Better 98 7,038,424 4.31 0.564
Subtotal valid responses 3,162 163,130,911 100  
Inapplicable 1,604 96,801,122    
Refused 1 54,364    
Dk 11 854,330    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D5 - CORDNATE - How is coordination now vs. 5yrs ago        
Worse 361 10,880,035 6.67 0.462
Same 2,583 136,191,662 83.53 0.912
Better 210 15,967,795 9.79 0.829
Subtotal valid responses 3,154 163,039,493 100  
Inapplicable 1,604 96,801,122    
Refused 2 90,221    
Dk 18 909,892    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D5 - REACTIM - How is reaction time now vs. 5yrs ago        
Worse 247 8,102,068 4.99 0.422
Same 2,548 127,603,675 78.54 1.048
Better 350 26,757,835 16.47 1.005
Subtotal valid responses 3,145 162,463,578 100  
Inapplicable 1,604 96,801,122    
Refused 5 380,036    
Dk 24 1,195,992    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D5 - DPTHPERC - How is depth perception now vs. 5yrs ago        
Worse 320 13,581,232 8.38 0.634
Same 2,635 134,114,959 82.74 0.967
Better 180 14,401,160 8.88 0.802
Subtotal valid responses 3,135 162,097,351 100  
Inapplicable 1,604 96,801,122    
Refused 2 83,339    
Dk 37 1,858,915    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV1 - Never plan to give up driving        
Yes 306 17,469,567 10.91 0.791
No 2,817 142,721,367 89.09 0.791
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV2 - Other transportation was available        
Yes 77 5,119,463 3.2 0.443
No 3,046 155,071,471 96.8 0.443
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV3 - Cannot pass the dl renewal process        
Yes 43 1,583,245 0.99 0.21
No 3,080 158,607,690 99.01 0.21
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV4 - Cause crash,accident,injury,othr incidnt        
Yes 124 5,212,983 3.25 0.388
No 2,999 154,977,951 96.75 0.388
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV5 - Involvd in crash,accident,othr incident        
Yes 76 4,838,734 3.02 0.459
No 3,047 155,352,200 96.98 0.459
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV6 - Doctor says to stop driving        
Yes 122 6,042,152 3.77 0.431
No 3,001 154,148,782 96.23 0.431
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV7 - Family/frnd/neighbr convince stop drivng        
Yes 87 3,768,498 2.35 0.354
No 3,036 156,422,437 97.65 0.354
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV8 - Police/law enforcemnt advise stop drivng        
Yes 34 1,621,813 1.01 0.241
No 3,089 158,569,121 98.99 0.241
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV9 - Feel cannot operate vehicle safely        
Yes 1,134 54,588,653 34.08 1.139
No 1,989 105,602,281 65.92 1.139
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV10 - When reach a certain age        
Yes 240 15,300,503 9.55 0.747
No 2,883 144,890,431 90.45 0.747
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV11 - Eye sight declines        
Yes 1,136 58,226,301 36.35 1.165
No 1,987 101,964,633 63.65 1.165
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV12 - Hearing declines        
Yes 178 9,493,859 5.93 0.584
No 2,945 150,697,075 94.07 0.584
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV13 - Other physical limitations        
Yes 930 47,974,702 29.95 1.122
No 2,193 112,216,232 70.05 1.122
Subtotal valid responses 3,123 160,190,934 100  
Inapplicable 1,604 96,801,122    
Refused 4 450,191    
Dk 47 3,398,481    
Not ascertained 241 12,802,546    
Total 5,019 273,643,273    
D6 - NODRIV14 - Other mental limitations        
Yes 246 11,583,069 7.23 0.583
No 2,877 148,607,865 92.77 0.583
Subtotal valid responses 3,123 160,190,934