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N. Firman · SciRah

Researcher profile · Semantic Scholar

N. Firman

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N. Firman — researcher profile on SciRah

h-index: 6
Works: 40
Citations: 110

Most-cited papers

Contraceptive method use among women and its association with age, relationship status and duration: findings from the third British National Survey of Sexual Attitudes and Lifestyles (Natsal-3)
N. Firman, M. Palmer, I. Timæus, K. Wellings
2018BMJ Sexual & Reproductive Health20 citations Open access
Semantic Scholar
Impact of the COVID-19 pandemic on timeliness and equity of measles, mumps and rubella vaccinations in North East London: a longitudinal study using electronic health records
N. Firman, M. Marszalek, A. Gutierrez, K. Homer +6 more
2022BMJ Open17 citations Open access
Semantic Scholar
Which young women are not being vaccinated against HPV? Cross-sectional analysis of a UK national cohort study.
H. Bedford, N. Firman, J. Waller, L. Marlow +2 more
2021Vaccine14 citations
Semantic Scholar
Are children with obesity at school entry more likely to have a diagnosis of a musculoskeletal condition? Findings from a systematic review
N. Firman, Marta Wilk, G. Harper, C. Dezateux
2022BMJ Paediatrics Open7 citations Open access
Semantic Scholar
Inequalities in children’s tooth decay requiring dental extraction under general anaesthetic: a longitudinal study using linked electronic health records
N. Firman, Carol Dezateux, Vanessa Muirhead
2024BMJ public health6 citations Open access
Semantic Scholar
Completeness and representativeness of body mass index in children's electronic general practice records: Linked cross‐sectional study in an ethnically‐diverse urban population in the United Kingdom
N. Firman, J. Robson, Z. Ahmed, K. Boomla +1 more
2021Pediatric obesity6 citations Open access
Semantic Scholar
Determining households from patient addresses and unique property reference numbers in general practitioner electronic health records
G. Harper, N. Firman, Marta Wilk, M. Marszalek +5 more
2024International Journal of Population Data Science5 citations Open access
Semantic Scholar
Is child weight status correctly reported to parents? Cross-sectional analysis of National Child Measurement Programme data using ethnic-specific BMI adjustments
N. Firman, K. Boomla, M. Hudda, J. Robson +2 more
2020Journal of public health5 citations Open access
Semantic Scholar
Inequalities in overcrowding in households with children in an ethnically diverse urban population: a cross-sectional study using linked health and housing records
Marta Wilk, G. Harper, S. Liverani, N. Firman +2 more
2025International Journal of Population Data Science4 citations Open access
Semantic Scholar
Are children with clinical obesity at increased risk of inpatient hospital admissions? An analysis using linked electronic health records in the UK millennium cohort study
L. Griffiths, M. Cortina-Borja, A. Bandyopadhyay, K. Tingay +6 more
2019Pediatric obesity4 citations Open access
Semantic Scholar
Impacts of discretionary universal free school meal schemes on primary school children’s education attainment and school absence: A natural experiment study in England
Jakob Petersen, M. Bryant, N. Concha, N. Firman +9 more
2025International Journal of Educational Research3 citations Open access
Semantic Scholar
Is obesity more likely among children sharing a household with an older child with obesity? Cross-sectional study of linked National Child Measurement Programme data and electronic health records
N. Firman, Marta Wilk, M. Marszalek, Lucy Griffiths +2 more
2024BMJ Paediatrics Open3 citations Open access
Semantic Scholar
Are children living with obesity more likely to experience musculoskeletal symptoms during childhood? A linked longitudinal cohort study using primary care records
N. Firman, K. Homer, G. Harper, John Robson +1 more
2024Archives of Disease in Childhood3 citations
Semantic Scholar
Implementation of a quality improvement programme using the Active Patient Link call and recall system to improve timeliness and equity of childhood vaccinations: protocol for a mixed-methods evaluation
M. Marszalek, Meredith K. D. Hawking, Ana Gutierrez, I. Dostal +7 more
2023BMJ Open3 citations Open access
Semantic Scholar
Improving the timeliness and equity of preschool childhood vaccinations: Mixed methods evaluation of a quality improvement programme in primary care.
M. Marszalek, Meredith K. D. Hawking, Ana Gutierrez, N. Firman +8 more
2024Vaccine2 citations Open access
Semantic Scholar
Does parental concern about their child’s future risk of overweight vary by their ethnic background? Cross-sectional analysis of a national cohort study
N. Firman, C. Dezateux
2019BMJ Open2 citations Open access
Semantic Scholar
Residential mobility and receipt of measles, mumps and rubella vaccination: analysis of linked primary care electronic health records in a London region
N. Firman, L. North, M. Marszalek, Marta Wilk +3 more
2026International Journal of Population Data Science1 citations Open access
Semantic Scholar
Characterising residential mobility during childhood in the United Kingdom: a longitudinal study using linked electronic health records.
N. Firman, Laura North, Jane Lyons, Marta Wilk +8 more
2026Longitudinal and life course studies : international journal1 citations
Semantic Scholar
Estimating households and populations from primary care electronic health records: comparison with Office for National Statistics Census 2021 aggregated estimates
Marta Wilk, G. Harper, N. Firman, C. Dibben +2 more
2025International Journal of Population Data Science1 citations Open access
Semantic Scholar
Residential mobility and receipt of measles, mumps and rubella vaccination: analysis of linked primary care electronic health records in a disadvantaged London region
N. Firman, L. North, M. Marszalek, Marta Wilk +5 more
2024International Journal of Population Data Science1 citations Open access
Semantic Scholar
Children and young people’s body mass index measures derived from routine data sources: A national data linkage study in Wales
Lucy Griffiths, J. Rafferty, Richard Fry, H. Daniels +9 more
2024PLoS ONE1 citations Open access
Semantic Scholar
Validation of a dynamic method of measuring households and populations from primary care Electronic Health Records: Cross-sectional comparison with Office for National Statistics Census 2021 estimates
Marta Wilk, G. Harper, N. Firman, C. Dibben +2 more
2023International Journal of Population Data Science1 citations Open access
Semantic Scholar
Case study: Developing resources to facilitate public conversations about the use of linked address-based data for research
N. Firman, Carol Dezateux, C. Newman, H. Baird +6 more
2026International Journal of Population Data Science0 citations Open access
Semantic Scholar
Household determinants of delayed MMR vaccination: longitudinal analysis using electronic health records in North East London, UK
M. Marszalek, N. Firman, Marta Wilk, Ana Gutierrez +2 more
2025BMJ Open0 citations Open access
Semantic Scholar
P72 Bridging the school meal divide: exploring food insecurity and wellbeing through universal free school meals in secondary schools
N. Concha, N. Firman, M. O'Donoghue, Pratima Singh +8 more
2025SSM Annual Scientific Meeting0 citations
Semantic Scholar
Characterising residential mobility during childhood: comparing north-east London and Wales using linked electronic health records
L. North, N. Firman, Jane Lyons, Marta Wilk +7 more
2025International Journal of Population Data Science0 citations Open access
Semantic Scholar
P62 Associations between household overcrowding and adult mental illness in an ethnically diverse urban population: a cross-sectional study using linked primary care and housing records
M. Wilk, N. Firman, G. Harper, R. Fry +3 more
2024SSM Annual Scientific Meeting0 citations
Semantic Scholar
Associations between household overcrowding and adult mental illness in an ethnically diverse urban population: cross-sectional study using linked primary care and housing records.
Marta Wilk, N. Firman, G. Harper, Richard Fry +3 more
2024International Journal of Population Data Science0 citations Open access
Semantic Scholar
OP37 Residential mobility and receipt of measles, mumps and rubella vaccination: analysis of linked primary care electronic health records in a disadvantaged London region
N. Firman, L. North, M. Marszalek, M. Wilk +5 more
2024SSM Annual Scientific Meeting0 citations
Semantic Scholar
OP140 Household associations between child and adult weight status in an ethnically diverse urban population: cross-sectional study using linked primary care and National Child Measurement Programme records
Marta Wilk, G. Harper, N. Firman, S. Liverani +1 more
2023SSM Annual Scientific Meeting0 citations
Semantic Scholar
P51 Children and young people’s body mass index measures derived from routine data sources: A national data linkage study in Wales
L. Griffiths, J. Rafferty, R. Fry, H. Daniels +6 more
2023SSM Annual Scientific Meeting0 citations
Semantic Scholar
OP135 Excess weight and dental extraction under general anaesthesia in children living in north east London, UK: a longitudinal study using electronic health records
N. Firman, C. Dezateux, V. Muirhead
2023SSM Annual Scientific Meeting0 citations
Semantic Scholar
Is obesity more likely among children sharing a household with an older child with obesity?
N. Firman, Marta Wilk, M. Marszalek, Lucy Griffiths +2 more
2023International Journal of Population Data Science0 citations Open access
Semantic Scholar
Are children who do not receive their first Measles Mumps and Rubella (MMR1) vaccination by 24 months more likely to share a household with older non-vaccinated children? Linked household-level analysis of primary care electronic health records (EHRs).
M. Marszalek, N. Firman, Marta Wilk, K. Homer +2 more
2022International Journal of Population Data Science0 citations Open access
Semantic Scholar
Are children living with obesity more likely to consult their general practitioner for knee pain? Longitudinal analysis of linked primary care and National Child Measurement Programme (NCMP) records.
N. Firman, K. Homer, G. Harper, John Robson +1 more
2022International Journal of Population Data Science0 citations Open access
Semantic Scholar
OP56 What is the likelihood of overweight or obesity in younger children sharing a household with an older child who is obese or severely obese? Cross-sectional analysis of linked national child measurement programme data
N. Firman, G. Harper, Z. Ahmed, J. Robson +3 more
20200 citations Open access
Semantic Scholar
How complete, representative and accurate is recording of child BMI in electronic general practice records? A record linkage study
N. Firman, J. Robson, Z. Ahmed, K. Boomla +1 more
20190 citations Open access
Semantic Scholar
P46 How does ethnic adjustment of childhood BMI change obesity prevalence in inner london boroughs with high ethnic diversity: analysis using national child measurement programme data for 2015–2017
N. Firman, C. Dezateux, A. Miller, S. Twite +5 more
2018Poster presentations0 citations Open access
Semantic Scholar
An integrated and collaborative approach to developing and scripting questionnaires for longitudinal cohort studies and surveys: experience in Life Study
S. Walton, S. Alexandrakis, N. Gilby, N. Firman +4 more
20170 citations Open access
Semantic Scholar
The advantages of tissue culture technique in the plant breeding and propagation of estate crops
N. Firman
19850 citations
Semantic Scholar

Frequent co-authors

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Carol Dezateux×19
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Carol Dezateux — researcher profile on SciRah
Marta Wilk×15
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Marta Wilk — researcher profile on SciRah
C. Dezateux×14
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C. Dezateux — researcher profile on SciRah
G. Harper×14
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G. Harper — researcher profile on SciRah

×11

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M. Marszalek — researcher profile on SciRah

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Z. Ahmed — researcher profile on SciRah

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J. Robson — researcher profile on SciRah

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K. Boomla — researcher profile on SciRah

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Richard Fry — researcher profile on SciRah

Ana Gutierrez×5

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Ana Gutierrez — researcher profile on SciRah

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K. Homer — researcher profile on SciRah

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G. Harper — researcher profile on SciRah