Definitive DOB month variable in the person record
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:
demographics_w14.pbirthm
Question label:
Definitive DOB month 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 | 121 | 0.34% |
| January | 1 | 3029 | 8.54% |
| February | 2 | 2756 | 7.77% |
| March | 3 | 3157 | 8.9% |
| April | 4 | 3031 | 8.55% |
| May | 5 | 3017 | 8.51% |
| June | 6 | 2975 | 8.39% |
| July | 7 | 3086 | 8.7% |
| August | 8 | 2896 | 8.16% |
| September | 9 | 2875 | 8.11% |
| October | 10 | 3000 | 8.46% |
| November | 11 | 2637 | 7.43% |
| December | 12 | 2757 | 7.77% |
| Total | 35471 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.41 | 255 | 1.0 | 12.0 | 3.42 | 35216 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 104 | 0.37% |
| January | 1 | 2413 | 8.62% |
| February | 2 | 2202 | 7.86% |
| March | 3 | 2432 | 8.69% |
| April | 4 | 2461 | 8.79% |
| May | 5 | 2393 | 8.55% |
| June | 6 | 2348 | 8.39% |
| July | 7 | 2423 | 8.65% |
| August | 8 | 2326 | 8.31% |
| September | 9 | 2271 | 8.11% |
| October | 10 | 2323 | 8.3% |
| November | 11 | 2110 | 7.54% |
| December | 12 | 2192 | 7.83% |
| Total | 27998 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.41 | 104 | 1.0 | 12.0 | 3.42 | 27894 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 198 | 0.68% |
| don't know | -1 | 3 | 0.01% |
| January | 1 | 2526 | 8.63% |
| February | 2 | 2338 | 7.99% |
| March | 3 | 2548 | 8.7% |
| April | 4 | 2573 | 8.79% |
| May | 5 | 2485 | 8.49% |
| June | 6 | 2425 | 8.28% |
| July | 7 | 2475 | 8.46% |
| August | 8 | 2417 | 8.26% |
| September | 9 | 2384 | 8.14% |
| October | 10 | 2425 | 8.28% |
| November | 11 | 2216 | 7.57% |
| December | 12 | 2258 | 7.71% |
| Total | 29271 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.4 | 201 | 1.0 | 12.0 | 3.42 | 29070 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 464 | 1.45% |
| don't know | -1 | 8 | 0.02% |
| January | 1 | 2766 | 8.64% |
| February | 2 | 2504 | 7.82% |
| March | 3 | 2767 | 8.64% |
| April | 4 | 2796 | 8.74% |
| May | 5 | 2671 | 8.34% |
| June | 6 | 2603 | 8.13% |
| July | 7 | 2671 | 8.34% |
| August | 8 | 2609 | 8.15% |
| September | 9 | 2589 | 8.09% |
| October | 10 | 2650 | 8.28% |
| November | 11 | 2407 | 7.52% |
| December | 12 | 2503 | 7.82% |
| Total | 32008 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.41 | 472 | 1.0 | 12.0 | 3.43 | 31536 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 804 | 2.34% |
| don't know | -1 | 6 | 0.02% |
| January | 1 | 2914 | 8.49% |
| February | 2 | 2654 | 7.73% |
| March | 3 | 2943 | 8.58% |
| April | 4 | 2985 | 8.7% |
| May | 5 | 2898 | 8.44% |
| June | 6 | 2780 | 8.1% |
| July | 7 | 2867 | 8.35% |
| August | 8 | 2777 | 8.09% |
| September | 9 | 2724 | 7.94% |
| October | 10 | 2766 | 8.06% |
| November | 11 | 2560 | 7.46% |
| December | 12 | 2641 | 7.7% |
| Total | 34319 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.4 | 810 | 1.0 | 12.0 | 3.43 | 33509 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 1096 | 3.04% |
| don't know | -1 | 10 | 0.03% |
| January | 1 | 3072 | 8.52% |
| February | 2 | 2783 | 7.72% |
| March | 3 | 3054 | 8.47% |
| April | 4 | 3095 | 8.58% |
| May | 5 | 2978 | 8.26% |
| June | 6 | 2917 | 8.09% |
| July | 7 | 2964 | 8.22% |
| August | 8 | 2864 | 7.94% |
| September | 9 | 2822 | 7.83% |
| October | 10 | 2937 | 8.15% |
| November | 11 | 2681 | 7.44% |
| December | 12 | 2785 | 7.72% |
| Total | 36058 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.41 | 1106 | 1.0 | 12.0 | 3.44 | 34952 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 1683 | 4.28% |
| don't know | -1 | 5 | 0.01% |
| January | 1 | 3316 | 8.44% |
| February | 2 | 2976 | 7.57% |
| March | 3 | 3273 | 8.33% |
| April | 4 | 3269 | 8.32% |
| May | 5 | 3248 | 8.27% |
| June | 6 | 3139 | 7.99% |
| July | 7 | 3212 | 8.17% |
| August | 8 | 3074 | 7.82% |
| September | 9 | 3027 | 7.7% |
| October | 10 | 3176 | 8.08% |
| November | 11 | 2851 | 7.26% |
| December | 12 | 3045 | 7.75% |
| Total | 39294 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.41 | 1688 | 1.0 | 12.0 | 3.44 | 37606 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 2832 | 6.72% |
| refusal | -2 | 4 | 0.01% |
| don't know | -1 | 10 | 0.02% |
| January | 1 | 3425 | 8.12% |
| February | 2 | 3128 | 7.42% |
| March | 3 | 3442 | 8.16% |
| April | 4 | 3431 | 8.14% |
| May | 5 | 3389 | 8.04% |
| June | 6 | 3263 | 7.74% |
| July | 7 | 3393 | 8.05% |
| August | 8 | 3255 | 7.72% |
| September | 9 | 3159 | 7.49% |
| October | 10 | 3288 | 7.8% |
| November | 11 | 2978 | 7.06% |
| December | 12 | 3173 | 7.52% |
| Total | 42170 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.41 | 2846 | 1.0 | 12.0 | 3.43 | 39324 |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| proxy | -7 | 3324 | 7.36% |
| refusal | -2 | 257 | 0.57% |
| don't know | -1 | 71 | 0.16% |
| january | 1 | 3700 | 8.19% |
| february | 2 | 3304 | 7.31% |
| march | 3 | 3612 | 7.99% |
| april | 4 | 3552 | 7.86% |
| may | 5 | 3576 | 7.91% |
| june | 6 | 3470 | 7.68% |
| july | 7 | 3566 | 7.89% |
| august | 8 | 3444 | 7.62% |
| september | 9 | 3344 | 7.4% |
| october | 10 | 3505 | 7.76% |
| november | 11 | 3154 | 6.98% |
| december | 12 | 3313 | 7.33% |
| Total | 45192 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 6.41 | 3652 | 1.0 | 12.0 | 3.44 | 41540 |
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