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Perinatal Assessment
Overview
Data about pregnancy and birth were extracted from medical records or obtained by questionnaires sent to the maternity unit including maternal SES and demographic characteristics, maternal and paternal medical history, maternal and paternal height and weight, obstetric history, details of current pregnancy, infertility treatment, prenatal screening tests, decisions to withhold or withdraw treatment during pregnancy or in delivery room, hospitalisations during pregnancy, pregnancy complications, drug treatments during pregnancy, maternal transfers, prenatal growth estimates, delivery, treatments during labour, summary of mother's stay in maternity unit, infant's condition during stay in maternity unit, delivery room management, and mortality. Data on the neonatal period were collected from neonatal records or the neonatology team including neonatal complications and morbidity, neurological evaluation, care and treatment, developmental care, nutrition, congenital anomalies, infant condition at discharge, and decisions to withhold or withdraw treatment.
Mothers whose infant was discharged alive from the first neonatal unit or who were discharged from the maternity unit and not transferred, were interviewed about maternal SES and demographic characteristics, health insurance, parental height and weight, smoking before/during pregnancy, fertility treatment, previous pregnancies, antenatal consultations and care, birth plan and reasons for any changes, hospitalisations during pregnancy, maternal transfers for delivery, length of hospital stay before birth, neonatal breastfeeding and nutrition, infant transfers.
Additionally, questionnaires were sent to the maternity and neonatal units to evaluate the type of unit, policies and practices, types of care delivered, staffing, unit environment, treatment to maintain pregnancy/improve infant viability, policies related to delivery, transfers and transport services, liaison between maternity and neonatal units, decisions to withhold or withdraw care, details of intensive care, type of examinations/screening provided to infants, developmental care and parental involvement, breastfeeding, policies and practices related to discharge and follow up after discharge.
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Type of Data Collection Event
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Perinatal
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Supplementary Information
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Eligible: 8400
Refusals to be included in the cohort: 596 (7%)
Included in the cohort (Parental consent): 7804
Termination of pregnancy: 1328
Stillbirth: 1306
Death in maternity ward : 290
Death in NICU: 413
Live born : 5170
Discharged alive from NICU: 4467
Maternal questionnaire completed: 7804
Neonatal questionnaire completed : 4880
Self-administered questionnaire to the mother : 2946
Maternal interview: 3427
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Start Date
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2011-03
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End Date
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2011-12
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Data sources
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Questionnaires
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Physical measures
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Biosamples
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Administrative databases
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Data sources - Biosamples
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Data sources - Administrative databases
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Files
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# |
Name |
Description |
Size |
Actions |
No files could be found.
Participants
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Age at Data Collection Event (years)
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0
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Corrected Age
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VPT/VLBW Group |
Control Group |
Survived |
4467
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Invited |
4467
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Assessed |
4467
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0
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Perinatal Information
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VPT/VLBW Group |
Control Group |
Total Births |
6555
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Terminations of Pregnancy |
1313
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Still Births |
1278
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Live Births |
3964
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Admitted to NICU |
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Survived to Discharge |
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Data about pregnancy and birth were extracted from medical records or obtained by questionnaires sent to the maternity unit including maternal SES and demographic characteristics, maternal and ... |
2011-03 |
2011-12 |
1 |
1 Year Follow up
Overview
At one year of age (corrected age), a questionnaire was sent to the parents to investigate the participant's anthropometric measurements (height, weight, head circumference), hospital admissions and contacts with healthcare professionals, respiratory illness, skin problems, hearing, vision problems, neurological problems, other health problems, immunisations and medication, and parental feelings/worries about the participant's health. Parents also completed questions on the development, sleep, diet and breastfeeding of the infant.
The second part of the questionnaire collected data on childcare arrangements, parental smoking, living arrangements, place of residence, parental nationality and country of birth, languages spoken, level of education, employment, time off or leaving employment due to participant's health problems, income, welfare benefits, and health insurance.
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Type of Data Collection Event
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Follow-up
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Supplementary Information
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Full cohort assessed.
Among 4467 infants discharged alive from NICU, parents of 155 refused the whole follow-up (3%).
22 children died before one year of age
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Start Date
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2012-04
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End Date
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2013-03
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Data sources
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Questionnaires
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Cognitive measures
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Physical measures
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Files
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# |
Name |
Description |
Size |
Actions |
No files could be found.
Participants
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Age at Data Collection Event (years)
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1
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Corrected Age
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VPT/VLBW Group |
Control Group |
Survived |
4445
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Invited |
4290
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Assessed |
3841
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0
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At one year of age (corrected age), a questionnaire was sent to the parents to investigate the participant's anthropometric measurements (height, weight, head circumference), hospital admissions ... |
2012-04 |
2013-03 |
2 |
2 Year Follow Up
Overview
At 2 years of age (corrected age) the parents of the participant completed a questionnaire on anthropometric measurements (height, weight, head circumference), use of aids and equipment, hospital admissions, visits to health professionals, specialist follow up care received, sleep, feeding and diet. Parents also provided information on place of residence, living arrangements, childcare arrangements, parental health (health related QoL - questions from SF-36), worries about child's health/development, parental employment, and details of parental employment and shift work before/during pregnancy.
Parents completed the Ages and Stages 24 Month Questionnaire to assess global development, the French version of the MacArtur Bates Communicative Development Inventory - Les Inventaires Français du Développement Communicatif (IFDC) to assess language development, and the Modified Checklist for Autism in Toddlers (M-CHAT) to assess autism symptoms.
A questionnaire was sent to the participant's physician (general practitioner, pediatrician etc) to be completed during an examination at 2 years. Details of height, weight, psychomotor development, neurological problems, hearing problems, vision problems, respiratory problems, skin problems, follow up care for patent ductus arteriosus, current medical treatments, medications and immunisations, and follow up by other medical professionals were collected.
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Supplementary Information
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Full cohort assessed.
Death between 1 and 2 years: 2
Parental refusals between 1 and 2 years: 89
At least one assessment : 3809 (91% of eligibles)
Parental questionnaire completed : 3689 (88% of eligibles)
Medical questionnaire completed : 3599 (86% of eligibles)
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Start Date
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2013-04
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End Date
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2014-03
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Data sources
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Questionnaires
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Cognitive measures
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Physical measures
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Files
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# |
Name |
Description |
Size |
Actions |
No files could be found.
Participants
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Age at Data Collection Event (years)
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2
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VPT/VLBW Group |
Control Group |
Survived |
4443
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Invited |
4199
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Assessed |
3809
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At 2 years of age (corrected age) the parents of the participant completed a questionnaire on anthropometric measurements (height, weight, head circumference), use of aids and equipment, hospital ... |
2013-04 |
2014-03 |
3 |
5.5 Year Follow Up
Overview
At 5 years of age, participants underwent a clinical and psychological examination, and parents completed questionnaires. A clinical assessment was performed by a physician including evaluation of respiratory health, neurological health, skin health, hearing and vision problems, other health problems, medication, anthropometric measurements (height, weight, head, brachial, hip, waist circumference, and thigh diameter), blood pressure measurements, visual acuity, dental examination, and a neuromotor examination including assessment of cerebral palsy and classification of motor function using the Gross motor Function Classification System (GMFCS). The Movement Assessment Battery for Children Second Edition (Movement ABC-2) was also administered to assess motor development. During the examination, the mother was asked about obstetric history since participant's birth, and parental chronic disease.
A neurodevelopmental assessment was performed by a trained neuropsychologist including the Weschler Preschool and Primary Scale of Intelligence Fourth Edition (WPPSI-IV), and NEPSY-II. Child behavior was evaluated during neurodevelopmental assessment.
Parents completed a questionnaire on school, special educational needs support, health and development, sleep, hospital admissions, visits to health professionals, follow up care with specialists, satisfaction with child's healthcare, barriers to accessing healthcare, health related expenses and time off work due to health problems of participant. Parents were also asked about living arrangements, languages spoken in the home, other children in the home, employment, and level of education. Standardised questionnaires were completed by the parents to assess maternal health (Short Form-36; SF-36), diet (Child Eating Behaviour Questionnaire; CEBQ), behaviour (Strengths and Difficulties Questionnaire; SDQ), autism symptoms (Social Communication Questionnaire; SCQ), and health-related quality of life (Pediatric Quality of Life Inventory; PedsQL). In addition the assessment team completed the Home Observation Measurement of the Environment (HOME) questionnaire through observation of parent-child interactions and the home environment, and interview with parents.
For children unable to come to the clinical assessment, a self-administered questionnaire was sent to the parents.
A group of term born children, initially included in the Elfe cohort, was invited to the clinical and neuropsychological assessment.
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Supplementary Information
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Children assessed:
At least one completed questionnaire : 3083 (78% of eligibles)
Medical questionnaire completed: 2714 (69% of eligibles)
Psychological questionnaire completed: 2691 (67% of eligibles)
Parental questionnaire completed: 3018 (77% of eligibles)
HOME questionnaire completed : 2537 (64% of eligibles)
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Start Date
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2016-09
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End Date
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2017-12
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Data sources
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Questionnaires
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Cognitive measures
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Physical measures
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Biosamples
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Data sources - Biosamples
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Files
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# |
Name |
Description |
Size |
Actions |
No files could be found.
Participants
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Age at Data Collection Event (years)
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5
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VPT/VLBW Group |
Control Group |
Survived |
4441
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Invited |
3937
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Assessed |
3083
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592
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At 5 years of age, participants underwent a clinical and psychological examination, and parents completed questionnaires. A clinical assessment was performed by a physician including evaluation of ... |
2016-09 |
2017-12 |