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Table 6.17 2003 NSDUH CAI Audit Trail Timing Data: Specialty Cigarettes Section
Age Category 12-17 18 +
Year of Interest 2001 2002 2003 2001 2002 2003
Sample Size 7,555 22,820 21,844 15,203 42,761 43,433
Summary Statistics (Minutes)
Mean (F) 0.4 0.4 0.4 0.4 0.4 0.4
Variance (σ 2 ) 0.1 0.1 0.1 0.1 0.1 0.1
Standard Deviation (σ) 0.3 0.3 0.3 0.4 0.4 0.3
Quartiles
Maximum 4.3 8.2 40.3 16.2 28.6 27.1
Q3 0.5 0.5 0.5 0.5 0.5 0.5
Median 0.4 0.4 0.4 0.3 0.4 0.4
Q1 0.2 0.3 0.3 0.2 0.3 0.3
Minimum 0.0 0.0 0.0 0.0 0.0 0.0
Range 4.3 8.2 40.3 16.2 28.6 27.1
Mode 0.2 0.3 0.3 0.3 0.3 0.2
Percentiles
99% 1.4 1.3 1.1 1.6 1.5 1.3
95% 0.8 0.8 0.7 0.9 0.9 0.8
90% 0.6 0.6 0.6 0.7 0.7 0.7
10% 0.2 0.2 0.2 0.2 0.2 0.2
5% 0.1 0.2 0.2 0.1 0.2 0.2
1% 0.1 0.1 0.1 0.1 0.1 0.1
Extremes
5 Highest Values (Highest) 4.3 8.2 40.3 16.2 28.6 27.1
3.9 6.0 8.5 15.2 18.3 16.3
3.6 5.9 6.0 14.0 13.1 10.5
3.2 4.8 5.3 9.0 9.7 8.2
2.9 4.7 4.7 6.6 9.2 7.6
5 Lowest Values 0.0 0.0 0.0 0.0 0.0 0.0
0.0 0.0 0.0 0.0 0.0 0.0
0.0 0.0 0.0 0.0 0.0 0.0
0.0 0.0 0.0 0.0 0.0 0.0
(Lowest) 0.0 0.0 0.0 0.0 0.0 0.0
Note: Time recording begins at SPCIG01 and stops recording after SPCIG08 in the Specialty Cigarettes Module.
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