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

Table 6.29 2003 NSDUH CAI Audit Trail Timing Data: Back-End Demographics Section
Age Category 12-17 18 +
Year of Interest 2001 2002 2003 2001 2002 2003
Sample Size 7,579 22,882 21,911 15,252 42,894 43,582
Summary Statistics (Minutes)
Mean (F) 4.4 4.7 5.2 6.4 6.8 6.9
Variance (σ 2 ) 10.1 252.5 9.0 12.9 11.4 12.1
Standard Deviation (σ) 3.2 15.9 3.0 3.6 3.4 3.5
Quartiles
Maximum 73.8 2,364.9 57.6 133.7 72.9 104.1
Q3 5.7 6.0 6.5 7.8 8.2 8.4
Median 3.5 3.8 4.4 5.9 6.3 6.5
Q1 2.3 2.5 3.1 4.3 4.8 4.9
Minimum 0.4 0.0 0.0 0.0 0.0 0.0
Range 73.4 2,364.9 57.6 133.7 72.9 104.1
Mode 2.4 2.7 3.6 5.2 5.5 5.7
Percentiles
Extremes
99% 14.1 14.0 14.9 18.0 18.1 18.1
95% 9.9 10.1 10.8 12.1 12.5 12.6
90% 8.3 8.4 9.1 10.2 10.5 10.7
10% 1.7 1.8 2.4 2.8 3.3 3.4
5% 1.4 1.5 2.0 2.1 2.4 2.5
1% 1.0 1.1 1.5 1.2 1.4 1.4
5 Highest Values (Highest) 73.8 2,364.9 57.6 133.7 72.9 104.1
44.3 89.6 53.0 66.2 63.5 94.3
43.7 63.5 51.2 54.8 61.9 90.2
43.5 45.4 50.9 48.0 60.9 76.3
42.0 45.1 41.7 44.5 57.4 71.9
5 Lowest Values 0.5 0.2 0.1 0.2 0.2 0.1
0.5 0.1 0.0 0.2 0.1 0.1
0.5 0.1 0.0 0.1 0.1 0.1
0.4 0.1 0.0 0.1 0.0 0.1
(Lowest) 0.4 0.0 0.0 0.0 0.0 0.0
Note: Time recording in 2003 begins at INTRODM2 and stops recording after SUPPRMC in the Back-End
Demographics section. Time recording in 2001 and 2002 began at INTRODM2 and stopped recording after
MBRSELCT.
100