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Completed project

Health-Gap: Health, Maturity, and the Gender Gap in Education

The project aims to understand the health consequences of gender differences in school performance and examine whether they are explained by differences in timing of physical maturity between girls and boys.

Project period 2018–2023
Project employer The Research Council of Norway
Project nr. 10242
Project leader Camilla Stoltenberg
Two boys and a girl studying in the library

Photo: Colourbox

Project Backround

Gender differences in school performance have ever-larger consequences for education later in life. The Health Gap project explores causes of differences in school performance and the increasing gender difference in educational attainment, as well as the health consequences that follow.

Educational attainment has increased over many years, and since 1980, Norway has seen the development of an increasing gap between men and women. In most OECD countries, there are more female than male students who enter university for the first time, and the share that completes higher education is higher among women than men.  Norway, girls out-perform boys in lower secondary school and throughout the educational system. The causes of the increasing gender gap are unknown, the consequences for health are not clear.

Maturity and gender gap in education

During school years, boys and girls undergo pubertal development with implications for physical, cognitive and social development and growth.  There is variation both between and within each sex in the age of puberty, and on average, the onset of puberty occurs at a younger age for girls than boys. At age 15-16, the differences in maturity are sizeable.

At this age, Norwegian youth are finishing lower secondary school and grades achieved at this age are decisive for further life courses. If cognitive development is related to physical development, one would expect that the capacity for learning follows the same maturity pattern. As girls enter puberty earlier than boys, the differences in maturity that this creates could be a substantial contributor to gender differences in school performance. 

Objectives

The primary objectives with the Health Gap project are:

  • To understand the health consequences of gender differences in educational attainment and school performance
  • To examine whether the difference in timing of physical maturity between girls and boys is a major explanation of gender gaps in education.

Participants

ParticipantDegree PhoneE-mail
Sara Cools Research Professor +47 984 96 736 sara.cools@samfunnsforskning.no
Marianne Røed Research Professor +47 480 39 594 marianne.roed@samfunnsforskning.no
Pål Schøne Research Professor +47 986 22 125 pal.schone@samfunnsforskning.no
Marte Strøm Research Professor +47 408 85 333 marte.strom@samfunnsforskning.no
Camilla Stoltenberg
Martin Flatø
Fartein Torvik
Per Magnus

Publications

  • Flatø, Martin; Bratsberg, Bernt Magne; Kotsadam, Andreas; Torvik, Fartein Ask; Røgeberg, Ole & Stoltenberg, Camilla (2025). Ready for school? Effects on school starters of establishing school psychology offices in Norway. Education Economics. p. 1–19. doi: 10.1080/09645292.2025.2588588. Full text in Research Archive
  • Askelund, Jo Adrian Dahl; Hegemann, Laura Elizabeth; Allegrini, Andrea G.; Corfield, Elizabeth Claire; Ask, Helga & Davies, Neil Martin [Show all 9 contributors for this article] (2025). The Genetic Architecture of Differentiating Behavioral and Emotional Problems in Early Life. Biological Psychiatry. 97(12), p. 1163–1174. doi: 10.1016/j.biopsych.2024.12.021. Full text in Research Archive
  • Røed, Marianne; Schøne, Pål & Strøm, Marte (2025). How important is girls’ ‘Biological Head Start’ in explaining gender differences in education and the labour market? Economics and Human Biology. 56. doi: 10.1016/j.ehb.2024.101466. Full text in Research Archive
  • Reme, Bjørn-Atle; Røgeberg, Ole & Torvik, Fartein Ask (2024). School performance and the social gradient in young adult death in Norway. Nature Human Behaviour. 9, p. 84–89. doi: 10.1038/s41562-024-02053-w. Full text in Research Archive
  • Askelund, Adrian Dahl; Wootton, Robyn E.; Torvik, Fartein A.; Lawn, Rebecca B.; Ask, Helga & Corfield, Elizabeth C. [Show all 15 contributors for this article] (2024). Assessing causal links between age at menarche and adolescent mental health: a Mendelian randomisation study. BMC Medicine. 22(1). doi: 10.1186/s12916-024-03361-8. Full text in Research Archive
  • Hannigan, Laurie; Lund, Ingunn Olea; Askelund, Jo Adrian Dahl; Ystrøm, Eivind; Corfield, Elizabeth Claire & Ask, Helga [Show all 7 contributors for this article] (2023). Genotype-environment interplay in associations between maternal drinking and offspring emotional and behavioral problems. Psychological Medicine. 54(1), p. 203–214. doi: 10.1017/S0033291723003057. Full text in Research Archive
  • Hjarnaa, Louise; Møller, Sanne Pagh; Curtis, Alberte Brix; Becker, Ulrik; Andersen, Ove & Torvik, Fartein Ask [Show all 7 contributors for this article] (2023). Alcohol Intake and Academic Performance and Dropout in High School: A Prospective Cohort Study in 65,233 Adolescents. Journal of Adolescent Health. 73, p. 1083–1092. doi: 10.1016/j.jadohealth.2023.07.008. Full text in Research Archive
  • Constantinou, Andrea; Soest, Tilmann Martin von; Zachrisson, Henrik Daae; Torvik, Fartein Ask; Cheesman, Rosa Catherine Gillespie & Ystrøm, Eivind (2023). Childhood personality and academic performance: A sibling fixed-effects study. Journal of Personality. p. 1–13. doi: 10.1111/jopy.12900. Full text in Research Archive
  • Kleppestø, Thomas Haarklau; Eilertsen, Espen Moen; Bergen, Elsje van; Sunde, Hans Fredrik; Zietsch, Brendan & Nordmo, Magnus [Show all 10 contributors for this article] (2023). Intergenerational transmission of ADHD behaviors: Genetic and environmental pathways. Psychological Medicine. 54, p. 1309–1317. doi: 10.1017/S003329172300315X. Full text in Research Archive
  • Sunde, Hans Fredrik; Kleppestø, Thomas Haarklau; Gustavson, Kristin; Nordmo, Magnus; Reme, Bjørn-Atle & Torvik, Fartein Ask (2022). The ADHD deficit in school performance across sex and parental education: A prospective sibling‐comparison register study of 344,152 Norwegian adolescents. JCPP Advances. 2(1), p. 1–9. doi: 10.1002/jcv2.12064. Full text in Research Archive
  • Cheesman, Rosa Catherine Gillespie; Eilertsen, Espen Moen; Ayorech, Ziada; Borgen, Nicolai Topstad; Andreassen, Ole & Larsson, Henrik [Show all 9 contributors for this article] (2022). How interactions between ADHD and schools affect educational achievement: a family-based genetically sensitive study. Journal of Child Psychology and Psychiatry. 63(10), p. 1174–1185. doi: 10.1111/jcpp.13656. Full text in Research Archive
  • Eilertsen, Espen Moen; Cheesman, Rosa Catherine Gillespie; Ayorech, Ziada; Røysamb, Espen; Pingault, Jean-Baptiste & Njølstad, Pål Rasmus [Show all 11 contributors for this article] (2022). On the importance of parenting in externalizing disorders: an evaluation of indirect genetic effects in families. Journal of Child Psychology and Psychiatry. 63(10), p. 1186–1195. doi: 10.1111/jcpp.13654. Full text in Research Archive
  • Nordmo, Magnus; Kinge, Jonas Minet; Reme, Bjørn-Atle; Flatø, Martin; Suren, Pål & Wörn, Jonathan [Show all 9 contributors for this article] (2022). The educational burden of disease: a cohort study. The Lancet Public Health. 7(6), p. e549–e556. doi: 10.1016/S2468-2667(22)00059-7. Full text in Research Archive
  • Torvik, Fartein Ask; Flatø, Martin; McAdams, Tom A.; Colman, Ian; Silventoinen, Karri & Stoltenberg, Camilla (2021). Early Puberty Is Associated With Higher Academic Achievement in Boys and Girls and Partially Explains Academic Sex Differences. Journal of Adolescent Health. 69(3), p. 503–510. doi: 10.1016/j.jadohealth.2021.02.001. Full text in Research Archive
  • Andreas, Jasmina Burdzovic; Torvik, Fartein Ask & Lund, Ingunn Olea (2021). Parental binge drinking and offspring’s high school non-completion: A prospective HUNT survey and educational registry study. Drug and Alcohol Dependence. 230(1 January), p. 1–9. doi: 10.1016/j.drugalcdep.2021.109189. Full text in Research Archive
  • Brandlistuen, Ragnhild Eek; Flatø, Martin; Stoltenberg, Camilla; Helland, Siri Saugestad & Wang, Mari Vaage (2020). Gender gaps in preschool age: A study of behavior, neurodevelopment and pre-academic skills. Scandinavian Journal of Public Health. p. 1–8. doi: 10.1177/1403494820944740. Full text in Research Archive
  • Torvik, Fartein Ask; Eilertsen, Espen Moen; McAdams, Tom A.; Gustavson, Kristin; Zachrisson, Henrik Daae & Brandlistuen, Ragnhild Eek [Show all 11 contributors for this article] (2020). Mechanisms linking parental educational attainment with child ADHD, depression, and academic problems: a study of extended families in The Norwegian Mother, Father and Child Cohort Study. Journal of Child Psychology and Psychiatry. 61(9), p. 1009–1018. doi: 10.1111/jcpp.13197. Full text in Research Archive
  • Lund, Ingunn Olea; Eilertsen, Espen Moen; Gjerde, Line C.; Torvik, Fartein Ask; Røysamb, Espen & Reichborn-Kjennerud, Ted [Show all 7 contributors for this article] (2020). Maternal Drinking and Child Emotional and Behavior Problems. Pediatrics. 145(3). doi: 10.1542/peds.2019-2007. Full text in Research Archive

View all works in NVA

  • Torvik, Fartein Ask; Flatø, Martin & Stoltenberg, Camilla (2024). Eva Grinde mot stråmenn. Full text in Research Archive
  • Torvik, Fartein Ask; Flatø, Martin; Reme, Bjørn-Atle & Stoltenberg, Camilla (2023). Derfor forsker FHI på gutter i skolen. p. 30–30. Full text in Research Archive
  • Torvik, Fartein Ask (2023). Kjønnsforskjeller i høyere utdanning. Full text in Research Archive
  • Torvik, Fartein Ask (2023). Det virker: Hvorfor gjør gutter det dårligere enn jenter på skolen, og hva kan vi gjøre med det? [Radio]. Det virker (podcast). Full text in Research Archive
  • Torvik, Fartein Ask; Stoltenberg, Camilla & Kinge, Jonas Minet (2023). Sosial bakgrunn, kjønn og psykisk helse. Full text in Research Archive
  • Flatø, Martin & Torvik, Fartein Ask (2023). Kjønnsforskjeller i modenhet. Full text in Research Archive
  • Askelund, Adrian Dahl; Hegemann, Laura; Corfield, Elizabeth Claire; Ystrøm, Eivind; Ask, Helga & Havdahl, Alexandra [Show all 7 contributors for this article] (2023). Genetic and environmental factors associated with differentiation between behavioural and emotional problems across early life. Full text in Research Archive
  • Torvik, Fartein Ask (2023). Nyhetsmorgen. [Radio]. NRK P2. Full text in Research Archive
  • Torvik, Fartein Ask (2023). Ulik modenhet mellom gutter og jenter kan føre til sosial ulikhet og dårlig helse. [Journal]. NTB. Full text in Research Archive
  • Flatø, Martin; Reme, Bjørn-Atle; Stoltenberg, Camilla & Torvik, Fartein Ask (2023). Nyanser i gutteforskningen. Morgenbladet. Full text in Research Archive
  • Torvik, Fartein Ask; Flatø, Martin & Stoltenberg, Camilla (2023). Derfor må fleksibel skolestart prøves ut. Aftenposten (morgenutg. : trykt utg.). Full text in Research Archive
  • Stoltenberg, Camilla; Torvik, Fartein Ask & Flatø, Martin (2023). Guttekrise? Søkelys på kjønn løser ikke alle problemer, men kanskje noen. Dagens næringsliv. Full text in Research Archive
  • Flatø, Martin; Bratsberg, Bernt Magne; Kotsadam, Andreas; Torvik, Fartein Ask; Røgeberg, Ole Jørgen & Stoltenberg, Camilla (2023). Ready for School? Effects on School Starters of Establishing School Psychology Offices in Norway. CESifo Working Papers. Full text in Research Archive
  • Torvik, Fartein Ask; Stoltenberg, Camilla; Flatø, Martin; Sunde, Hans Fredrik; Reisel, Liza & Reme, Bjørn-Atle [Show all 7 contributors for this article] (2023). Gutter, skole og utenforskap. Full text in Research Archive
  • Flatø, Martin (2023). Strid om fleksibel skolestart. [TV]. NRK Dagsnytt 18. Full text in Research Archive
  • Stoltenberg, Camilla; Torvik, Fartein Ask & Flatø, Martin (2023). «Guttekrisen» kan ikke avlyses – hverken helt eller nesten. Full text in Research Archive
  • Torvik, Fartein Ask & Sunde, Hans Fredrik (2023). Gutter, skole og utenforskap. Full text in Research Archive
  • Torvik, Fartein Ask (2023). School performance and mortality in young adulthood: a register-based population study. medRxiv. doi: 10.1101/2023.03.15.23287297. Full text in Research Archive
  • Askelund, Adrian Dahl; Hegemann, Laura; Corfield, Elizabeth Claire; Ask, Helga; Ystrøm, Eivind & Havdahl, Alexandra [Show all 7 contributors for this article] (2022). The genomics of psychiatric symptom differentiation in early life. Full text in Research Archive
  • Torvik, Fartein Ask (2022). Skolegang, psykisk helse og utenforskap med fokus på gutter. Full text in Research Archive
  • Torvik, Fartein Ask (2022). Er mannen i krise? Full text in Research Archive
  • Torvik, Fartein Ask (2022). Ulikhet i skoleprestasjoner: – Veldig vanskelig å forklare bort kjønn. [Journal]. Morgenbladet. Full text in Research Archive
  • Flatø, Martin (2022). Menns helse og utenforskap. Full text in Research Archive
  • Wörn, Jonathan (2022). School performance and family formation in early adulthood. Full text in Research Archive
  • Torvik, Fartein Ask (2022). Hvem får ADHD og hvordan er livet med bokstavene? [Radio]. Morgenbladets forskningspodkast. Full text in Research Archive
  • Sunde, Hans Fredrik (2022). LL-444: Livepodkast fra Lærerkonferansen 2022 om ADHD og skolen. [Radio]. Lektor Lomsdalens Innfall. Full text in Research Archive
  • Sunde, Hans Fredrik (2022). ADHD og skoleprestasjoner - På tvers av kjønn, sosial bakgrunn, og skolefag. Full text in Research Archive
  • Kinge, Jonas Minet & Flatø, Martin (2022). Helseforskjeller starter i barndommen. Full text in Research Archive
  • Sunde, Hans Fredrik (2022). CAMHS around the Campfire journal club – ADHD deficit in school performance across sex and parental education. [Internet]. https://www.acamh.org/event/camhs-campfire-adhd-deficit-scho. Full text in Research Archive
  • Sunde, Hans Fredrik (2022). ADHD og skoleprestasjoner: På tvers av kjønn, sosial bakgrunn, og skolefag. Full text in Research Archive
  • Torvik, Fartein Ask (2021). Tidlig pubertet, bedre på skolen. Ekko/Nyhetsmorgen. [Radio]. NRK P2. Full text in Research Archive
  • Torvik, Fartein Ask (2021). Om kjønnsforskjeller i skolen. Full text in Research Archive
  • Stoltenberg, Camilla (2021). Longitudinal data for gender, education and health. Full text in Research Archive
  • Stoltenberg, Camilla (2021). Debatt om gutter, frafall og lesing. Full text in Research Archive
  • Flatø, Martin (2021). Kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Torvik, Fartein Ask; Flatø, Martin & Stoltenberg, Camilla (2021). Det bør vekke bekymring at gutter gjør det dårligere i skolen. Full text in Research Archive
  • Kinge, Jonas Minet; Flatø, Martin & Torvik, Fartein Ask (2021). Mennene alle glemte. Full text in Research Archive
  • Torvik, Fartein Ask (2020). Foreldrenes utdanningsnivå påvirker barnas psykiske helse. [Internet]. fhi.no. Full text in Research Archive
  • Torvik, Fartein Ask (2020). Foreldrenes utdanningnivå påvirker om barn får ADHD-symptomer. [Radio]. P4. Full text in Research Archive
  • Torvik, Fartein Ask (2020). Gir hjerneforskning svaret på hvorfor jenter er flinkere på skolen enn gutter? [Internet]. forskning.no. Full text in Research Archive
  • Flatø, Martin; Torvik, Fartein Ask & Stoltenberg, Camilla (2020). Gode utdanningsvalg krever modenhet og muligheter. Full text in Research Archive
  • Torvik, Fartein Ask; Eilertsen, Espen Moen; Hannigan, Laurie John; Havdahl, Alexandra & Ystrøm, Eivind (2020). Assortative mating and the usefulness of polygenic scores in extended pedigrees. Full text in Research Archive
  • Flatø, Martin; Stoltenberg, Camilla & Torvik, Fartein Ask (2020). Lite fleksibelt fra Lied-utvalget. Aftenposten (morgenutg. : trykt utg.). Full text in Research Archive
  • Torvik, Fartein Ask (2020). Nyhetene 08:00. [TV]. TV2 Nyhetskanalen. Full text in Research Archive
  • Flatø, Martin & Torvik, Fartein Ask (2020). Uriktige påstander om inntaksmodeller. Bedre Skole. p. 94–95. Full text in Research Archive
  • Flatø, Martin; Stoltenberg, Camilla & Torvik, Fartein Ask (2020). Barn fortjener bedre personvern og mer kunnskap. Aftenposten (morgenutg. : trykt utg.). p. 39–40. Full text in Research Archive
  • Flatø, Martin (2020). Karakterprogresjon i ungdomsskolen – et mer rettferdig inntakskriterium. Full text in Research Archive
  • Fretheim, Atle & Flatø, Martin (2020). Smitteeffekter når smittevernet randomiseres. www.tidsskriftet.no. Full text in Research Archive
  • Flatø, Martin; Torvik, Fartein Ask & Stoltenberg, Camilla (2019). Unyansert fra NRK om kjønnsforskjeller i skolen. Full text in Research Archive
  • Torvik, Fartein Ask; Eilertsen, Espen Moen; Ask, Helga; Gustavson, Kristin; McAdams, Tom A. & Ystrom, Eivind (2019). Intergenerational Associations between Parental Socioneconomic Status and Child ADHD. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). National Commission on Gender Equality in Education. Full text in Research Archive
  • Stoltenberg, Camilla (2019). National Commission on Gender Equality in Education. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Torvik, Fartein Ask; Eilertsen, Espen Moen; Ask, Helga; Gustavson, Kristin; McAdams, Tom A. & Ystrøm, Eivind (2019). Mechanisms linking parental education with symptoms of ADHD and depression in children. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Flatø, Martin; Solli, Ingeborg Caroline Foldøy; Stoltenberg, Camilla & Torvik, Fartein Ask (2019). Progresjonsbasert opptak - et mer rettferdig inntakssystem. Bedre Skole. p. 10–15. Full text in Research Archive
  • Flatø, Martin & Lomsdalen, Christian (2019). Martin Flatø om inntak til videregående. [Internet]. Lektor Lomsdalens innfall (podcast). Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Overlevering av rapporten fra Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive
  • Torvik, Fartein Ask (2019). Henriette skjulte turene til psykolog. - Jeg var så redd for å bli stemplet. [Internet]. Nettavisen.no. Full text in Research Archive
  • Stoltenberg, Camilla (2019). Stoltenbergutvalget: Ekspertutvalget om kjønnsforskjeller i skoleprestasjoner. Full text in Research Archive

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Research topics: labour market, equality and gender
Published Mar. 23, 2020 1:27 PM - Last modified June 10, 2026 12:53 PM