Inger Halvorsen

  • Researcher/Child and Adolescent Psychiatrist; PhD
  • +47 23 01 63 54

Inger Halvorsen is a specialist in child- and adolescent psychiatry. She has has had a combined clinical and research position at RASP since 2007. Her research is clinically oriented, with a particular focus on treatment outcome in patients admitted to RASP. Her most recent research project is a longitudinal follow-up study of adolescents that have received family-based inpatient treatment at RASP’s adolescent unit. The main findings from this study have been published in international, peer-reviewed journals, but the richness of the dataset will allow for a number of future quantitative and qualitative studies. 

Ongoing Research

Treatment satisfaction” in former patients, mothers and fathers that have received family-based inpatient treatment at RASP during the time period 2008-2014. Potential associations between family members’ retrospective perceptions of treatment and outcome variables will be explored.

Siblings experiences” with family admission at RASP.  A small group of siblings have taken part in this study which includes both quantitative and qualitative data. Annika Rø, Karen Elise Espeland and Krister Fjermestad at the Institute of Psychology, Oslo University, have performed the qualitative analyses.

Useful factors” to recover from eating disorders and useful factors for parents of adolescents with AN. This is part of the follow-up study of families that have received family-based inpatient treatment.

Course and outcome in adolescents treated with multifamily therapy at RASP”. This project is collaboration with the multi-family team at RASP where patients, parents and siblings take part in assessment at treatment start, at the end of treatment and at 6-months follow-up. The data will be analyzed to describe changes in physical and psychological health, parental trust in their ability to reverse the eating disorder and treatment satisfaction.


Original articles

Nilsen JV, Hage TW, Rø Ø, Halvorsen I, Oddli HW (2019)
Minding the adolescent in family-based inpatient treatment for anorexia nervosa: a qualitative study of former inpatients' views on treatment collaboration and staff behaviors
BMC Psychol, 7 (1), 72
DOI 10.1186/s40359-019-0348-2, PubMed 31727151

Nilsen JV, Hage TW, Rø Ø, Halvorsen I, Oddli HW (2019)
Family-based inpatient treatment for adolescent anorexia nervosa: a thematic analysis of former patients' post-treatment reflections
Eat Disord
DOI 10.1080/10640266.2019.1656469, PubMed 31682534

Halvorsen I, Rø Ø (2019)
User satisfaction with family-based inpatient treatment for adolescent anorexia nervosa: retrospective views of patients and parents
J Eat Disord, 7, 12
DOI 10.1186/s40337-019-0242-6, PubMed 31069078

Halvorsen I, Reas DL, Nilsen JV, Rø Ø (2017)
Naturalistic Outcome of Family-Based Inpatient Treatment for Adolescents with Anorexia Nervosa
Eur Eat Disord Rev, 26 (2), 141-145
DOI 10.1002/erv.2572, PubMed 29218761

Halvorsen I, Rø Ø, Heyerdahl S (2012)
Nine-year follow-up of girls with anorexia nervosa and their siblings: retrospective perceptions of parental bonding and the influence of illness on their everyday life
Eur Eat Disord Rev, 21 (1), 20-7
DOI 10.1002/erv.2191, PubMed 22786711

Halvorsen I, Platou D, Høiseth A (2012)
Bone mass eight years after treatment for adolescent-onset anorexia nervosa
Eur Eat Disord Rev, 20 (5), 386-92
DOI 10.1002/erv.2179, PubMed 22552854

Halvorsen I, Heyerdahl S (2011)
Anorexia in adolescence--healthy in adulthood?
Tidsskr Nor Laegeforen, 131 (4), 341
DOI 10.4045/tidsskr.10.0897, PubMed 21339780

Halvorsen I, Heyerdahl S (2007)
Treatment perception in adolescent onset anorexia nervosa: retrospective views of patients and parents
Int J Eat Disord, 40 (7), 629-39
DOI 10.1002/eat.20428, PubMed 17607715

Halvorsen I, Heyerdahl S (2006)
Girls with anorexia nervosa as young adults: personality, self-esteem, and life satisfaction
Int J Eat Disord, 39 (4), 285-93
DOI 10.1002/eat.20248, PubMed 16523471

Halvorsen I, Andersen A, Heyerdahl S (2005)
Girls with anorexia nervosa as young adults. Self-reported and parent-reported emotional and behavioural problems compared with siblings
Eur Child Adolesc Psychiatry, 14 (7), 397-406
DOI 10.1007/s00787-005-0489-0, PubMed 16254769

Halvorsen I, Andersen A, Heyerdahl S (2004)
Good outcome of adolescent onset anorexia nervosa after systematic treatment. Intermediate to long-term follow-up of a representative county-sample
Eur Child Adolesc Psychiatry, 13 (5), 295-306
DOI 10.1007/s00787-004-0408-9, PubMed 15490277

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