Cohort of over 48,000 birth records (pregnancy, labour, birth and care) in Dundee. Between 1952-1966.  Contains information on the birthing events such as birth weight, date, feeding, and socio economic variables such as parent occupation.

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The Walker cohort is a database of over 48,000 birth records containing information on pregnancy, labour, birth and care before discharge for babies born in hospital in Dundee between 1952 and 1966.

HDR UK

University of Dundee

This field represents the sex of the baby..

The Walker cohort is a database of over 48,000 birth records containing information on pregnancy, labour, birth and care before discharge for babies born in hospital in Dundee, Scotland between 1952 and 1966.

Walker Births With Cards

This field is represented by either an A or a D to show whether a fetus is alive/dead on admmission.  .

ALIVE

This field represents the date of the mother's last menstrual period..

Estimated Date of Confinement (estimated delivery date).

This field represents the babies weight in pounds.

WEIGHT_LBS

This field represents the babies weight in ounces.

WEIGHT_OZ

This field represents the weight of the baby in grams.

WEIGHT_G

This field represents the first stage of labour  and how long it lasted in hours  .

LABOUR_1_HRS

This field represents the first stage of labour  and how long it lasted in additional minutes.

LABOUR_1_MINS

This field represents the second stage of labour and how long it lasted in hours  .

LABOUR_2_HRS

This field represents second stage of labour and how many additional minutes  .

LABOUR_2_MINS

This field represents the third stage of labour and how long it lasted in hours  .

LABOUR_3_HRS

This field represents the third stage of labour and how many additional minutes  .

LABOUR_3_MINS

This field represents the total length of labour and how long it lasted in hours  .

LABOUR_TOTAL_HRS

This field represents the total length of labour and how many additional minutes  .

LABOUR_TOTAL_MINS

This field represents the date of mother's first admission to hospital..

ADMITTED_1

This field represents the date of mother's second admission to hospital..

ADMITTED_2

This field represents the mother's date of discharge from first admission to hospital..

DISCHARGED_1

This field represents the mother's date of discharge from second admission to hospital..

DISCHARGED_2

This field represents the age of Mother at admission.

M_AGE

This field represents the number of pregnancies and births to date  .

M_PARITY

This field represents the Mother's height in feet.

M_HEIGHT_FEET

This field represents the Mother's height in inches.

M_HEIGHT_INCH

This field represents the Maternal blood group - ie A, B, AB or O  .

M_BLOOD_ABO

This field represents the maternal blood rhesus factor. The data is shown with either a +ve or -ve  .

M_BLOOD_RH

This field represents the Maternal Antibodies. The datais  defined with either a + or a -.

M_BLOOD_ANTI

M_OCCUPATION

This field represents the age of the father at admission..

F_AGE

This field represents the father's height in feet  .

F_HEIGHT_FEET

This field represents the father's height in inches  .

F_HEIGHT_INCH

F_OCCUPATION

This field represents three different card types available within the data using 0,1 or 2.  0 is CARD_0_SMALL(1952-1959)  1 is CARD_1_LARGE(1959-1963)  2 is CARD_2_LARGE(1963-1966)  .

CARD_TYPE

This field represents the Father's Community Health Index (CHI) number .  Community Health Index (CHI) number is a unique personal indentifier allocated to each patient on first registration with a GP Practice. It follows the format DDMMYYRRGC where DDMMYY represents the persons date of birth, RR are random digits, G is another random digit but acts as a gender identifier, (where odd numbers indicate males and even numbers indicate females), and the final digit is an arithmetical check digit.. CHI is a unique number assigned to an individual therefore CHI will not be a factor for statistics.

F_CHI_ID

This field represents the Mother's Community Health Index (CHI) number .  Community Health Index (CHI) number is a unique personal indentifier allocated to each patient on first registration with a GP Practice. It follows the format DDMMYYRRGC where DDMMYY represents the persons date of birth, RR are random digits, G is another random digit but acts as a gender identifier, (where odd numbers indicate males and even numbers indicate females), and the final digit is an arithmetical check digit.. CHI is a unique number assigned to an individual therefore CHI will not be a factor for statistics.

M_CHI_ID

This field represents the Babies Community Health Index (CHI) number .  Community Health Index (CHI) number is a unique personal indentifier allocated to each patient on first registration with a GP Practice. It follows the format DDMMYYRRGC where DDMMYY represents the persons date of birth, RR are random digits, G is another random digit but acts as a gender identifier, (where odd numbers indicate males and even numbers indicate females), and the final digit is an arithmetical check digit.. CHI is a unique number assigned to an individual therefore CHI will not be a factor for statistics.

B_CHI_ID

This field represents the siblings CHI ID  Community Health Index (CHI) number is a unique personal indentifier allocated to each patient on first registration with a GP Practice. It follows the format DDMMYYRRGC where DDMMYY represents the persons date of birth, RR are random digits, G is another random digit but acts as a gender identifier, (where odd numbers indicate males and even numbers indicate females), and the final digit is an arithmetical check digit.    . CHI is a unique number assigned to an individual therefore CHI will not be a factor for statistics.

SIBLING_CHI_ID

Walker Births Without Cards

This field represents the Mother's Community Health Index (CHI) number .  Community Health Index (CHI) number is a unique personal indentifier allocated to each patient on first registration with a GP Practice. It follows the format DDMMYYRRGC where DDMMYY represents the persons date of birth, RR are random digits, G is another random digit but acts as a gender identifier, (where odd numbers indicate males and even numbers indicate females), and the final digit is an arithmetical check digit.    . CHI is a unique number assigned to an individual therefore CHI will not be a factor for statistics.

YEAR

YEARTO

This field represents where the baby was born.  .

PLACE

This field represents the babies weight in pounds  .

This field represents the babies weight in ounces.  .

This field represents the babies total weight in grams  .

This field is represented by either an A or a D to show whether a fetus is alive/dead on admmission.    .

This field represents the babies status at birth.  .

MORTALITY

This field is represents the length of weeks of pregnancy.    .

GESTATION

This field represents the delivery type.   .

DELIVERY

This field represents the complications experienced during the birth.   .

COMPLICATIONS

This field represents the details of Birth/complication.

DETAILS

This field represents the Babies Community Health Index (CHI) number .  Community Health Index (CHI) number is a unique personal indentifier allocated to each patient on first registration with a GP Practice. It follows the format DDMMYYRRGC where DDMMYY represents the persons date of birth, RR are random digits, G is another random digit but acts as a gender identifier, (where odd numbers indicate males and even numbers indicate females), and the final digit is an arithmetical check digit.  . CHI is a unique number assigned to an individual therefore CHI will not be a factor for statistics.

The Walker cohort is a database of over 48,000 birth records containing information on pregnancy, labour, birth and care before discharge for babies born in hospital in Dundee. This dataset focuses on Card Type 0 which is for the period1952-1959

Walker Card 0 Small

This field represents any miscellaneous out patient.  The data is defined by either a 0 (False) or a 1 (True)  .

MISC_OUT_PATIENT

This field represents any miscellaneous previous termination.  The data is defined by either a 0 (False) or a 1 (True).

MISC_PREV_ABORT

This field represents whether anaesthetic pain relief or other analgesia such as pethidine, diamorphine, entonox was used during delivery.  Data defined by either a 0 (False) or a 1 (True).

ANA_ANALGESIA

This field represents whether local anaesthetic was used during delivery.  Data defined by either a 0 (False) or a 1 (True).

ANA_LOCAL

This field represents whether general anaesthetic was used during delivery  Data defined by either a 0 (False) or a 1 (True).

ANA_GENERAL

This field represents whether a spinal anaesthetic (Epidural) was used during delivery.  Data defined by either a 0 (False) or a 1 (True)  .

ANA_SPINAL

This field represents whether a blood transfusion was required.  Data defined by either a 0 (False) or a 1 (True).

BLOOD_TRANS

This field represents any other intravenous treatment.  The data is prefixed with OP - meaning Operation and defined by either a 0 (False) or a 1 (True).

OTHER_IVI

This field represents whether a Wasserman Reaction was performed.   The Wasserman Reaction is a test for syphllis  The data is prefixed with INV - meaning Investigation and defined by either a 0 (False) or a 1 (True).

INV_WR_PERFORMED

This field represents  the Wasserman Reaction Positive.   The Wasserman Reaction is a test for syphllis  The data is prefixed with INV - meaning Investigation and defined by either a 0 (False) or a 1 (True).

INV_WR_POSITIVE

This field represents whether an Xray was taken.  The data is prefixed with INV - meaning Investigation and defined by either a 0 (False) or a 1 (True)  .

INV_XRAY

The field represents whether a Pelvimetry has taken place.  The data is prefixed with INV - meaning Investigation and defined by either a 0 (False) or a 1 (True)  .

INV_XRAY_PELVIMETRY

This field represents  any maternal miscellaneous complication.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_MISC

This field represents a maternal complication involving hyperemesis or vomiting.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_HYPEREMESIS

This field represents  a maternal complication during abortion.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_ABORTION

This field represents a maternal complication involving the heart.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_M_CORDIS

This field represents maternal complications involving respiratory disease.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_RESP_DISEASE

This field represents maternal complications involving vaginitus.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_VAGINITIS

This field represents maternal complications involving pylitis.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_PYLITIS

This field represents maternal complications involving nephritis or the kidney.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_NEPHRITIS

This field represents a maternal complication involving hypertension.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_HYPERTENSION

This field represents maternal complications involving pre - eclampsia.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_PRE_ECLAMPSIA

This field represents a maternal complication involving eclampsia.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_ECLAMPSIA

This field represents maternal complication involving anaemia.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_ANAEMIA

This field represents maternal complications involving a tumour.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_TUMOURS

This field represents a maternal complication involving hyramnios or excess amnio fluid.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_HYRAMNIOS

This field represents maternal complications involving placenta praevia  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_PLAC_PRAEVIA

This field represents a maternal complication  involving accidental haemorrhage or placental abruption.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_ACCID_HAEM

This field represents maternal complications involving other forms of haemorrhage.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_OTHER_HAEM

This field represents maternal complications involving post partum haem or bleeding after delivery.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_PPH

This field represents maternal complications involving the uterus.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_UTERINE_DYS

This field represents maternal complications involving prolapsed cord.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_PROLAPSED_CORD

This field represents maternal complications experienced during a multiple pregnancy.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_MULTIPLE_PREG

This field represents maternal complications involving pelvic deformity.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_PELVIC_DEFORMITY

This field represents a maternal complication when the babies head  has been too big for  the pelvis.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_CEP_PEL_DISP

This field represents maternal complications involving pyrexia or fever.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_NOTI_PYREXIA

This field represents a maternal complication involving mortality (death) in the puerperal period.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True).

MC_MOR_PUERPERIUM

This field represents a maternal complication resulting in death.  The data is prefixed with MC - meaning Maternal Complications and defined by either a 0 (False) or a 1 (True)  .

MC_MAT_DEATH

This field represents a Right occipito anterior OR Left occipito anterior during birth.  The data is prefixed with PR - meaning Presentation and defined by either a 0 (False) or a 1 (True).

PR_ROA_LOA

This field represents a Right occipito lateral OR Left occipito lateral during birth.  The data is prefixed with PR - meaning Presentation and defined by either a 0 (False) or a 1 (True).

PR_ROL_LOL

This field represents a Right occipito posterior OR Left occipito posterior during birth.  The data is prefixed with PR - meaning Presentation and defined by either a 0 (False) or a 1 (True).

PR_ROP_LOP

This field represents whether the baby presented breech during birth.  The data is prefixed with PR - meaning Presentation and defined by either a 0 (False) or a 1 (True).

PR_BREECH

This field represents a transverse lie during birth.  The data is prefixed with PR - meaning Presentation and defined by either a 0 (False) or a 1 (True).

PR_TRANSVERSE

This field represents whether the baby presented brow/face first during birth.  The data is prefixed with PR - meaning Presentation and defined by either a 0 (False) or a 1 (True).

PR_BROW_FACE

This field represents a compound presentation (eg head and hand, head and foot) during birth.  The data is prefixed with PR - meaning Presentation and defined by either a 0 (False) or a 1 (True).

PR_COMPOUND

This field represents any operation involving the use of forceps  The data is prefixed with OP - meaning Operation and defined by either a 0 (False) or a 1 (True).

OP_FORCEPS

This field represents any operation involving a caesarean.  The data is prefixed with OP - meaning Operation and defined by either a 0 (False) or a 1 (True).

OP_CAESAREAN

This field represents whether a particular forcep delivery was used.  The data is prefixed with OP - meaning Operation and defined by either a 0 (False) or a 1 (True).

OP_WILL_FORCEPS

Walker Study Data

The Walker cohort is a database of over 48,000 birth records containing information on pregnancy, labour, birth and care before discharge for babies born in hospital in Dundee between 1952 and 1966.  The CHI has been identified for 34,183 babies, 15,581 mothers and 9,664 fathers enabling record linkage to other HIC datasets.

Walker Study Data

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Provenance

Origin

Temporal

Accessibility

Access

Usage

Format and Standards

Observations

Origin