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ivid interviewer id
Record Type XIVDATA
Valid cases 1490 Missing cases 0
Interview Characteristics and Conditions

ivno interviewer number
Record Type XIVDATA
Valid cases 1490 Missing cases 0

ivsex interviewer sex
Record Type XIVDATA
Value Label Value Frequency % Valid %
Male 1 150 10.1 15.4 15.4
Female 2 824 55.3 84.6 100.0
Missing -9 516 34.6 Missing
Valid cases 974 Missing cases 516
Index Terms Interview Characteristics and Conditions
Socio-demographic Characteristics

ivyob intv. year of birth
Record Type XIVDATA
Mean Std Dev Minimum Maximum
1944.70 8.37 1919 1976
Index Terms Interview Characteristics and Conditions
Socio-demographic Characteristics

ivystrt year started with nop
Record Type XIVDATA
Valid cases 867 Missing cases 623

ivyend year finished with nop
Record Type XIVDATA
Value Label Value Frequency % Valid %
2000 62 4.2 16.3 16.3
2001 66 4.4 17.3 33.6
2002 42 2.8 11.0 44.6
2003 56 3.8 14.7 59.3
2004 47 3.2 12.3 71.7
2005 48 3.2 12.6 84.3
2006 29 1.9 7.6 91.9
2007 20 1.3 5.2 97.1
2008 11 .7 2.9 100.0
Missing -9 620 41.6 Missing
Inapplicable -8 489 32.8 Missing
Valid cases 381 Missing cases 1109
Index Terms Interview Characteristics and Conditions