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Table 6.23 2003 NSDUH CAI Audit Trail Timing Data: Social and Neighborhood Environment
Section
Age Category 12-17 18 +
Year of Interest 2001 2002 2003 2001 2002 2003
Sample Size N/A N/A N/A 15,218 42,803 43,468
Summary Statistics (Minutes)
Mean (F) N/A N/A N/A 5.3 5.2 3.5
Variance (σ 2 ) N/A N/A N/A 8.7 6.0 3.3
Standard Deviation (σ) N/A N/A N/A 2.9 2.4 1.8
Quartiles
Maximum N/A N/A N/A 90.9 64.3 48.7
Q3 N/A N/A N/A 6.2 6.1 4.1
Median N/A N/A N/A 4.7 4.7 3.1
Q1 N/A N/A N/A 3.6 3.6 2.4
Minimum N/A N/A N/A 0.0 0.0 0.0
Range N/A N/A N/A 90.9 64.3 48.7
Mode N/A N/A N/A 4.4 3.8 2.7
Percentiles
Extremes
99% N/A N/A N/A 15.2 14.0 10.0
95% N/A N/A N/A 10.0 9.6 6.7
90% N/A N/A N/A 8.3 8.0 5.5
10% N/A N/A N/A 2.8 2.9 2.0
5% N/A N/A N/A 2.4 2.5 1.7
1% N/A N/A N/A 1.6 1.9 1.3
5 Highest Values (Highest) N/A N/A N/A 90.9 64.3 48.7
N/A N/A N/A 76.6 46.7 44.3
N/A N/A N/A 66.7 43.6 43.1
N/A N/A N/A 49.8 39.4 33.1
N/A N/A N/A 47.3 39.3 31.8
5 Lowest Values N/A N/A N/A 0.0 0.0 0.0
N/A N/A N/A 0.0 0.0 0.0
N/A N/A N/A 0.0 0.0 0.0
N/A N/A N/A 0.0 0.0 0.0
(Lowest) N/A N/A N/A 0.0 0.0 0.0
Note: Time recording begins at LEADSEN and stops recording after SENREBE3 in the Social and Neighborhood
Environment Module.
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