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Table 6.10 2003 NSDUH CAI Audit Trail Timing Data: Heroin Section
Age Category 12-17 18 +
Year of Interest 2001 2002 2003 2001 2002 2003
Sample Size 7,557 22,811 21,834 15,188 42,748 43,411
Summary Statistics (Minutes)
Mean (F) 0.1 0.1 0.1 0.1 0.1 0.1
Variance (σ 2 ) 0.0 0.1 0.0 0.2 0.0 0.0
Standard Deviation (σ) 0.1 0.3 0.1 0.5 0.1 0.1
Quartiles
Maximum 2.1 44.1 11.5 56.2 5.4 3.5
Q3 0.1 0.1 0.1 0.1 0.1 0.1
Median 0.1 0.1 0.1 0.1 0.1 0.1
Q1 0.1 0.1 0.1 0.1 0.1 0.1
Minimum 0.0 0.0 0.0 0.0 0.0 0.0
Range 2.1 44.1 11.5 56.2 5.4 3.5
Mode 0.1 0.1 0.1 0.1 0.1 0.1
Percentiles
99% 0.4 0.4 0.4 0.5 0.5 0.5
95% 0.2 0.2 0.2 0.3 0.3 0.3
90% 0.2 0.2 0.2 0.2 0.2 0.2
10% 0.1 0.1 0.0 0.0 0.0 0.0
5% 0.0 0.0 0.0 0.0 0.0 0.0
1% 0.0 0.0 0.0 0.0 0.0 0.0
Extremes
5 Highest Values (Highest) 2.1 44.1 11.5 56.2 5.4 3.5
2.0 13.3 3.3 12.8 4.2 3.5
1.7 9.6 3.3 11.6 3.9 3.5
1.7 7.9 2.3 9.6 3.9 3.4
1.5 6.5 2.0 6.9 3.1 3.3
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 HEINTRO and stops recording after HECC16 in the Heroin Module.
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