| # | Column | Type | Notes |
|---|
| 1 | eid | integer | Encoded participant identifier. This identifier is the same encoded id used in the main dataset. |
| 2 | ins_index | integer | Instance index. A numerical index which together with the eid uniquely identifies the corresponding record in the main HESIN table and the HESIN_MATERNITY table. |
| 3 | arr_index | integer | Array index. A numerical index which together with the eid & ins_index uniquely identifies this record, i.e. eid, ins_index & arr_index together form a primary key for this table. |
| 4 | gestat | integer, coding 218 | Number of weeks of gestation. |
| 5 | delplac | integer, coding 217 | Delivery place. Delivery place identifies where the birth took place; for example: NHS hospital (with ward information) or at a domestic address. |
| 6 | delmeth | string, coding 216 | Delivery method. Delivery method identifies the way in which the baby was born; for example: spontaneous, forceps, breech or caesarean section. |
| 7 | birordr | string, coding 213 | Birth order. No longer available for source=71 (April 2018) onwards. |
| 8 | birstat | integer, coding 219 | Status of baby at birth. Status baby identifies whether the baby was born alive or stillborn (ante-partum or intra-partum). No longer available for source=71 (April 2018) onwards. |
| 9 | biresus | integer, coding 223 | Resuscitation method. Resuscitation method identifies whether any procedures were required to get the baby breathing normally; for example: positive pressure (nil/by mask/by endotracheal tube) and whether drugs were administered. |
| 10 | sexbaby | integer, coding 224 | Sex of baby. Sex of baby determines whether the baby was male, female or indeterminate. No longer available for source=71 (April 2018) onwards. |
| 11 | birweight | integer, coding 214 | Weight of baby. No longer available for source=71 (April 2018) onwards. |
| 12 | delstat | integer, coding 225 | Status of person conducting delivery. Status of person conducting delivery identifies whether a doctor, GP or midwife was present at the birth. |
