Questionnaire Dwelling Unit-Level and Person Pair-Level Sampling ...

Table F.1 2006 NSDUH QDU-Level Slippage Rates (continued)
Domain n Initial Total (I) 1 Final Total (F) 2 Control from
SDU Weights (C) (I - C)/C% (F - C)/C%
Combined Median
Rent/Housing Value
1 st Quintile 7,785 16,167,157 16,167,157 16,167,157 0.00 -0.00
2 nd Quintile 10,641 23,545,928 23,545,928 23,545,928 0.00 0.00
3 rd Quintile 10,936 24,413,458 24,413,458 24,413,458 0.00 -0.00
4 th Quintile 10,390 25,931,331 25,931,331 25,931,331 0.00 0.00
5 th Quintile 8,157 23,827,298 23,827,298 23,827,298 0.00 0.00
Population Density
Large MSA 20,241 58,696,738 58,696,738 58,696,738 0.00 0.00
Medium to Small 23,385 46,763,961 46,763,961 46,763,961 0.00 -0.00
MSA
Non-MSA, Urban 1,447 2,891,344 2,891,344 2,891,344 0.00 0.00
Non-MSA, Rural 2,836 5,533,128 5,533,128 5,533,128 0.00 0.00
Group Quarters
Group 853 939,489 939,489 939,489 0.00 0.00
Nongroup 47,056 112,945,682 112,945,682 112,945,682 0.00 0.00
Household Size
One 5,641 30,195,407 30,199,814 30,104,368 0.30 0.32
Two 17,170 53,019,313 53,022,550 53,203,420 -0.35 -0.34
Three 13,806 18,094,689 18,083,960 17,980,126 0.64 0.58
Four or More 11,292 12,575,762 12,578,846 12,597,257 -0.17 -0.15
DU = dwelling unit, MSA = metropolitan statistical area, QDU = questionnaire dwelling unit, SDU = screener dwelling unit.
1 YR06WT1*...*YR06WT9*DU06WT10*...*DU06WT12 (before QDU poststratification).
2 YR06WT1*...*YR06WT9*DU06WT10*...*DU06WT13 (after QDU poststratification).
F-4