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Table 2. Person Control Totals and Adjustment Factors Used in Weighting of Post-9/11 NHTS Data

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Cell ID Control Total Adjustment for Useable Households Sample Size
First Raking Dimension (Black/Non-Black by Month)
Black, January 4,701,900 0.89 317
Black, February 4,246,877 0.88 455
Black, March 4,701,900 0.86 510
Black, April and May 5,005,248 1.49 449
Black, September and October 5,460,271 1.07 250
Black, November 4,550,226 1.08 204
Black, December 4,701,900 0.91 308
Non-Black, January 34,359,251 0.91 4574
Non-Black, February 31,034,162 0.91 6544
Non-Black, March 34,359,252 0.93 7238
Non-Black, April and May 36,575,977 1.74 5806
Non-Black, September and October 39,901,066 1.03 3268
Non-Black, November 33,250,888 0.89 3510
Non-Black, December 34,359,251 0.91 4645
Total 277,208,169 1.00 38078
Second Raking Dimension (Black/Non-Black)
Black 33,368,322 1.00 2493
Non-Black 243,839,847 1.00 35585
Total 277,208,169 1.00 38078
Fourth Raking Dimension (Hispanic/Non-Hispanic by Month)
Hispanic, January 4,937,907 0.93 387
Hispanic, February 4,460,045 0.93 548
Hispanic, March 4,937,906 0.95 622
Hispanic, April and May 5,256,481 1.40 535
Hispanic, September and October 5,734,343 1.05 314
Hispanic, November 4,778,619 0.93 319
Hispanic, December 4,937,906 0.93 421
Non-Hispanic, January 34,123,245 0.90 4504
Non-Hispanic, February 30,820,995 0.90 6451
Non-Hispanic, March 34,123,245 0.92 7126
Non-Hispanic, April and May 36,324,744 1.77 5720
Non-Hispanic, September and October 39,626,993 1.03 3204
Non-Hispanic, November 33,022,495 0.91 3395
Non-Hispanic, December 34,123,245 0.90 4532
Total 277,208,169 1.00 38078
Third Raking Dimension (Hispanic/Non-Hispanic)
Hispanic 35,043,208 1.00 3146
Non-Hispanic 242,164,961 1.00 34932
Total 277,208,169 1.00 38078
Fifth Raking Dimension (Sex by Age)
Male, 0 to 17 years 37,324,345 1.00 4687
Male, 18 to 34 years 32,949,783 0.96 3177
Male, 35 to 44 years 21,758,024 0.99 2810
Male, 45 to 64 years 29,216,368 0.99 4934
Male, 65 and over 14,042,687 1.06 2493
Female, 0 to 17 years 35,584,159 0.99 4607
Female, 18 to 34 years 32,812,831 0.99 3515
Female, 35 to 44 years 22,544,089 1.01 3067
Female, 45 to 64 years 31,590,554 1.00 5567
Female, 65 and over 19,385,329 1.06 3221
Total 277,208,169 1.00 38078
Sixth Raking Dimension (Census Region)
Northeast 52,603,089 0.98 7377
Midwest 63,416,498 1.00 9979
South 98,669,031 1.01 12568
West 62,519,551 0.99 8154
Total 277,208,169 1.00 38078
Seventh Raking Dimension (MSA)
1+ million 159,966,575 1.00 20359
< 1 million 63,141,416 1.00 9288
Non-MSA 54,100,178 1.00 8431
Total 277,208,169 1.00 38078
Eighth Raking Dimension (Month by Day of Week)
January, Mondays 5,040,148 0.86 670
January, Tuesdays 6,300,185 1.18 639
January, Wednesdays 6,300,186 0.89 762
January, Thursdays 6,300,186 0.92 851
January, Fridays 5,040,148 0.74 769
January, Saturdays 5,040,149 0.85 634
January, Sundays 5,040,149 0.96 566
February, Mondays 5,040,148 0.96 927
February, Tuesdays 5,040,148 0.87 1064
February, Wednesdays 5,040,148 0.93 961
February, Thursdays 5,040,149 0.89 1078
February, Fridays 5,040,149 0.88 1013
February, Saturdays 5,040,148 0.97 930
February, Sundays 5,040,149 0.87 1026
March, Mondays 5,040,148 0.69 1198
March, Tuesdays 5,040,149 0.97 1092
March, Wednesdays 5,040,148 0.99 972
March, Thursdays 5,040,149 1.04 2284
March, Fridays 6,300,185 1.13 622
March, Saturdays 6,300,186 0.82 847
March, Sundays 6,300,186 0.96 733
April and May, Mondays 6,300,186 1.51 767
April and May, Tuesdays 6,300,185 1.31 1150
April and May, Wednesdays 6,300,186 1.74 818
April and May, Thursdays 6,300,186 0.93 2881
April and May, Fridays 5,040,147 2.55 237
April and May, Saturdays 6,300,186 4.71 180
April and May, Sundays 5,040,148 3.07 222
September and October, Mondays 6,300,185 0.96 505
September and October, Tuesdays 6,300,186 0.89 524
September and October, Wednesdays 7,560,223 1.23 515
September and October, Thursdays 6,300,186 0.90 620
September and October, Fridays 6,300,186 1.05 466
September and October, Saturdays 6,300,185 1.15 435
September and October, Sundays 6,300,186 1.10 453
November, Mondays 5,040,149 1.02 493
November, Tuesdays 5,040,148 0.95 522
November, Wednesdays 5,040,148 0.88 543
November, Thursdays 6,300,186 1.05 491
November, Fridays 6,300,185 0.82 628
November, Saturdays 5,040,149 0.74 598
November, Sundays 5,040,149 0.98 439
December, Mondays 6,300,186 0.84 892
December, Tuesdays 5,040,149 0.70 903
December, Wednesdays 5,040,148 0.95 666
December, Thurs 5,040,149 0.98 533
December, Fridays 5,040,149 1.04 543
December, Saturdays 6,300,186 1.11 628
December, Sundays 6,300,186 0.86 788
Total 277,208,169 1.00 38078
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