PDF, 3.8 MB - Substance Abuse and Mental Health Services ...

Table 6.18 2003 NSDUH CAI Audit Trail Timing Data: Substance Dependence and Abuse Section
Age Category 12-17 18 +
Year of Interest 2001 2002 2003 2001 2002 2003
Sample Size 2,286 7,258 6,872 10,648 31,361 31,802
Summary Statistics (Minutes)
Mean (F) 4.6 4.8 4.6 4.3 4.6 4.6
Variance (σ 2 ) 9.8 9.8 9.1 10.3 10.3 256.9
Standard Deviation (σ) 3.1 3.1 3.0 3.2 3.2 16.0
Quartiles
Maximum 28.7 39.2 37.3 74.4 58.2 2,808.9
Q3 6.0 6.2 6.0 5.6 6.1 6.0
Median 3.7 3.8 3.7 3.5 3.8 3.7
Q1 2.4 2.6 2.5 2.1 2.3 2.3
Minimum 0.1 0.0 0.0 0.0 0.0 0.0
Range 28.7 39.2 37.3 74.4 58.2 2,808.9
Mode 2.1 2.7 2.7 1.7 2.2 2.1
Percentiles
99% 15.4 15.3 14.7 15.3 15.5 15.0
95% 10.7 10.9 10.3 10.0 10.6 10.3
90% 8.6 8.9 8.5 8.0 8.6 8.5
10% 1.7 1.9 1.8 1.5 1.6 1.6
5% 1.4 1.5 1.5 1.2 1.4 1.3
1% 0.7 0.9 0.8 0.8 0.9 0.9
Extremes
5 Highest Values (Highest) 28.7 39.2 37.3 74.4 58.2 2,808.9
25.1 30.2 37.2 44.9 56.1 45.0
25.0 28.3 36.7 40.1 50.7 36.6
24.9 26.6 27.7 39.9 47.2 35.4
23.1 25.4 23.7 34.6 43.4 34.0
5 Lowest Values 0.3 0.1 0.1 0.0 0.0 0.0
0.2 0.1 0.1 0.0 0.0 0.0
0.2 0.1 0.1 0.0 0.0 0.0
0.1 0.0 0.1 0.0 0.0 0.0
(Lowest) 0.1 0.0 0.0 0.0 0.0 0.0
Note: Time recording begins at INTRODR and stops recording after DRSV22 in the Substance Dependence & Abuse Module.
89