date of birth:month
This variable is only available in the Special Licence (SN 6931) and Secure Access (SN 6676) datasets.
Datafile
Index terms
Question asked in the latest wave:
hhgrid_w2.birthm
Question label:
DOB month
Question text:
(What is [NAME]/[ff_forname]'s date of birth?)
Question universe:
if BirthChk = 2 | NewPer = 1 | NewPer = 3 (DOB check is incorrect or individual is a new household member or is a rejoiner not found in the data)
Question interviewer instructions:
BirthChk = 2AT LAST INTERVIEW DATE OF BIRTH WAS RECORDED AS [ff_birthd, ff_birthm, ffbirthy ENTER MONTH
Further details:
For further details about this question, please see the questionnaires
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 6579 | 12.06% |
| proxy | -7 | 3880 | 7.11% |
| don't know | -1 | 28 | 0.05% |
| January | 1 | 3810 | 6.98% |
| February | 2 | 3530 | 6.47% |
| March | 3 | 3972 | 7.28% |
| April | 4 | 3808 | 6.98% |
| May | 5 | 3814 | 6.99% |
| June | 6 | 3692 | 6.77% |
| July | 7 | 3753 | 6.88% |
| August | 8 | 3700 | 6.78% |
| September | 9 | 3569 | 6.54% |
| October | 10 | 3666 | 6.72% |
| November | 11 | 3287 | 6.02% |
| December | 12 | 3480 | 6.38% |
| Total | 54568 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.39 | 10487 | 1.0 | 12.0 | 3.42 | 44081 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 7262 | 14.24% |
| proxy | -7 | 3262 | 6.4% |
| refusal | -2 | 90 | 0.18% |
| January | 1 | 3524 | 6.91% |
| February | 2 | 3234 | 6.34% |
| March | 3 | 3588 | 7.04% |
| April | 4 | 3521 | 6.9% |
| May | 5 | 3463 | 6.79% |
| June | 6 | 3379 | 6.63% |
| July | 7 | 3450 | 6.77% |
| August | 8 | 3290 | 6.45% |
| September | 9 | 3271 | 6.41% |
| October | 10 | 3375 | 6.62% |
| November | 11 | 3070 | 6.02% |
| December | 12 | 3215 | 6.3% |
| Total | 50994 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.4 | 10614 | 1.0 | 12.0 | 3.43 | 40380 |
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