Definitive DOB year variable in the person record
Datafile
Index term
Question asked in the latest wave:
demographics_w14.pbirthy
Question label:
Definitive DOB year variable in the person record
Further details:
For further details about this question, please see the questionnaires
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 134 | 0.38% |
| don't know | -1 | 62 | 0.17% |
| [Value >= 0] | 1 | 35275 | 99.45% |
| Total | 35471 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1971.11 | 196 | 1920.0 | 2007.0 | 18.84 | 35275 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 104 | 0.37% |
| [Value >= 0] | 1 | 27894 | 99.63% |
| Total | 27998 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1969.99 | 104 | 1919.0 | 2006.0 | 18.65 | 27894 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 198 | 0.68% |
| don't know | -1 | 3 | 0.01% |
| [Value >= 0] | 1 | 29070 | 99.31% |
| Total | 29271 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1969.26 | 201 | 1918.0 | 2006.0 | 18.71 | 29070 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 464 | 1.45% |
| don't know | -1 | 9 | 0.03% |
| [Value >= 0] | 1 | 31535 | 98.52% |
| Total | 32008 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1968.69 | 473 | 1918.0 | 2004.0 | 18.83 | 31535 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 804 | 2.34% |
| don't know | -1 | 7 | 0.02% |
| [Value >= 0] | 1 | 33508 | 97.64% |
| Total | 34319 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1968.03 | 811 | 1915.0 | 2004.0 | 18.83 | 33508 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 1096 | 3.04% |
| don't know | -1 | 10 | 0.03% |
| [Value >= 0] | 1 | 34952 | 96.93% |
| Total | 36058 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1967.5 | 1106 | 1913.0 | 2003.0 | 18.78 | 34952 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 1683 | 4.28% |
| don't know | -1 | 2 | 0.01% |
| [Value >= 0] | 1 | 37609 | 95.71% |
| Total | 39294 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1967.07 | 1685 | 1913.0 | 2002.0 | 18.7 | 37609 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 2832 | 6.72% |
| refusal | -2 | 2 | 0.0% |
| don't know | -1 | 9 | 0.02% |
| [Value >= 0] | 1 | 39327 | 93.26% |
| Total | 42170 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1966.62 | 2843 | 1913.0 | 2001.0 | 18.66 | 39327 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 3324 | 7.36% |
| refusal | -2 | 227 | 0.5% |
| don't know | -1 | 64 | 0.14% |
| [Value >= 0] | 1 | 41577 | 92.0% |
| Total | 45192 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1966.1 | 3615 | 1912.0 | 2000.0 | 18.68 | 41577 |
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