INTROMONTH
Description
INTROMONTH reports the month that the case was first contacted for an interview (panel month).
There are several other variables that report date information on when the case was introduced. Also see INTRODATE for the date the case was introduced (panel day) and INTROYEAR for the year (panel year) that the case was introduced.
Comparability
INTROMONTH is available beginning in 2005.
Universe
2005-2010: ATUS respondents and nonrespondents.
Codes/Frequencies
Respondents
| Code |
Description |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
| 1 |
January |
-- |
-- |
1074 |
1279 |
1220 |
889 |
938 |
1292 |
| 2 |
February |
-- |
-- |
852 |
882 |
781 |
1114 |
1161 |
1134 |
| 3 |
March |
-- |
-- |
1208 |
1188 |
1111 |
1202 |
1276 |
1309 |
| 4 |
April |
-- |
-- |
1207 |
1170 |
1143 |
852 |
923 |
952 |
| 5 |
May |
-- |
-- |
1236 |
1233 |
800 |
1108 |
1218 |
1277 |
| 6 |
June |
-- |
-- |
827 |
839 |
988 |
1194 |
1165 |
843 |
| 7 |
July |
-- |
-- |
1197 |
1188 |
1147 |
874 |
869 |
1178 |
| 8 |
August |
-- |
-- |
1168 |
813 |
802 |
1202 |
1254 |
1203 |
| 9 |
September |
-- |
-- |
845 |
1116 |
1068 |
1113 |
873 |
834 |
| 10 |
October |
-- |
-- |
1301 |
1178 |
1140 |
841 |
1163 |
1169 |
| 11 |
November |
-- |
-- |
900 |
854 |
852 |
1115 |
1225 |
1167 |
| 12 |
December |
-- |
-- |
1223 |
1203 |
1196 |
1219 |
1068 |
902 |
| 999 |
NIU (Not in universe) |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Respondents and Household Members
| Code |
Description |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
| 1 |
January |
-- |
-- |
1074 |
1279 |
1220 |
889 |
938 |
1292 |
| 2 |
February |
-- |
-- |
852 |
882 |
781 |
1114 |
1161 |
1134 |
| 3 |
March |
-- |
-- |
1208 |
1188 |
1111 |
1202 |
1276 |
1309 |
| 4 |
April |
-- |
-- |
1207 |
1170 |
1143 |
852 |
923 |
952 |
| 5 |
May |
-- |
-- |
1236 |
1233 |
800 |
1108 |
1218 |
1277 |
| 6 |
June |
-- |
-- |
827 |
839 |
988 |
1194 |
1165 |
843 |
| 7 |
July |
-- |
-- |
1197 |
1188 |
1147 |
874 |
869 |
1178 |
| 8 |
August |
-- |
-- |
1168 |
813 |
802 |
1202 |
1254 |
1203 |
| 9 |
September |
-- |
-- |
845 |
1116 |
1068 |
1113 |
873 |
834 |
| 10 |
October |
-- |
-- |
1301 |
1178 |
1140 |
841 |
1163 |
1169 |
| 11 |
November |
-- |
-- |
900 |
854 |
852 |
1115 |
1225 |
1167 |
| 12 |
December |
-- |
-- |
1223 |
1203 |
1196 |
1219 |
1068 |
902 |
| 999 |
NIU (Not in universe) |
-- |
-- |
24364 |
24204 |
22318 |
22894 |
23335 |
24240 |
Respondents and Non-respondents
| Code |
Description |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
| 1 |
January |
-- |
-- |
1903 |
2428 |
2344 |
1717 |
1728 |
2331 |
| 2 |
February |
-- |
-- |
1575 |
1587 |
1572 |
2146 |
2095 |
2082 |
| 3 |
March |
-- |
-- |
2253 |
2276 |
2265 |
2383 |
2399 |
2334 |
| 4 |
April |
-- |
-- |
2219 |
2284 |
2362 |
1680 |
1668 |
1651 |
| 5 |
May |
-- |
-- |
2424 |
2351 |
1728 |
2251 |
2320 |
2387 |
| 6 |
June |
-- |
-- |
1692 |
1678 |
2190 |
2345 |
2255 |
1670 |
| 7 |
July |
-- |
-- |
2353 |
2421 |
2400 |
1723 |
1734 |
2255 |
| 8 |
August |
-- |
-- |
2344 |
1734 |
1725 |
2328 |
2410 |
2406 |
| 9 |
September |
-- |
-- |
1686 |
2227 |
2264 |
2248 |
1652 |
1686 |
| 10 |
October |
-- |
-- |
2432 |
2406 |
2332 |
1724 |
2223 |
2329 |
| 11 |
November |
-- |
-- |
1825 |
1700 |
1703 |
2117 |
2312 |
2261 |
| 12 |
December |
-- |
-- |
2271 |
2211 |
2399 |
2399 |
2101 |
1693 |
| 999 |
NIU (Not in universe) |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Respondents and Non-respondents plus Household Members
| Code |
Description |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
| 1 |
January |
-- |
-- |
1903 |
2428 |
2344 |
1717 |
1728 |
2331 |
| 2 |
February |
-- |
-- |
1575 |
1587 |
1572 |
2146 |
2095 |
2082 |
| 3 |
March |
-- |
-- |
2253 |
2276 |
2265 |
2383 |
2399 |
2334 |
| 4 |
April |
-- |
-- |
2219 |
2284 |
2362 |
1680 |
1668 |
1651 |
| 5 |
May |
-- |
-- |
2424 |
2351 |
1728 |
2251 |
2320 |
2387 |
| 6 |
June |
-- |
-- |
1692 |
1678 |
2190 |
2345 |
2255 |
1670 |
| 7 |
July |
-- |
-- |
2353 |
2421 |
2400 |
1723 |
1734 |
2255 |
| 8 |
August |
-- |
-- |
2344 |
1734 |
1725 |
2328 |
2410 |
2406 |
| 9 |
September |
-- |
-- |
1686 |
2227 |
2264 |
2248 |
1652 |
1686 |
| 10 |
October |
-- |
-- |
2432 |
2406 |
2332 |
1724 |
2223 |
2329 |
| 11 |
November |
-- |
-- |
1825 |
1700 |
1703 |
2117 |
2312 |
2261 |
| 12 |
December |
-- |
-- |
2271 |
2211 |
2399 |
2399 |
2101 |
1693 |
| 999 |
NIU (Not in universe) |
-- |
-- |
45801 |
47026 |
46256 |
45542 |
45059 |
46528 |