Christin Wiegels Waage

• Robinson, Hilde Stendal; Vøllestad, Nina Køpke; Bennetter, Karin Elisabeth; Waage, Christin Wiegels; Jenum, Anne Karen & Richardsen, Kåre Rønn (2024). Pelvic girdle pain in pregnancy and early postpartum – prevalence and risk factors in a multi-ethnic cohort. BMC Musculoskeletal Disorders. ISSN 1471-2474. 25(1). doi: 10.1186/s12891-023-07135-w.
• Bennetter, Karin Elisabeth; Waage, Christin; Jenum, Anne Karen; Vøllestad, Nina Køpke; Robinson, Hilde Stendal & Richardsen, Kåre Rønn (2023). Cross-Cultural Contact and Norwegian Language Skills Among Ethnic Minority Women in Norway, and Relationship with Physical Activity in Pregnancy and Postpartum: The STORK-Groruddalen Cohort Study. Journal of Immigrant and Minority Health. ISSN 1557-1912. 26, p. 63–71. doi: 10.1007/s10903-023-01535-9.
• Bennetter, Karin Elisabeth; Richardsen, Kåre Rønn; Vøllestad, Nina Køpke; Jenum, Anne Karen; Robinson, Hilde Stendal & Mdala, Ibrahimu [Show all 7 contributors for this article] (2023). Associations between social support and physical activity in postpartum: a Norwegian multi-ethnic cohort study. BMC Public Health. ISSN 1471-2458. 23(1). doi: 10.1186/s12889-023-15507-z.
• Waage, Christin; Mdala, Ibrahimu; Stigum, Hein; Jenum, Anne Karen; Birkeland, Kåre Inge & Shakeel, Nilam [Show all 9 contributors for this article] (2022). Lipid and lipoprotein concentrations during pregnancy and associations with ethnicity. BMC Pregnancy and Childbirth. ISSN 1471-2393. 22(1). doi: 10.1186/s12884-022-04524-2. Full text in Research Archive
• Fragoso-Bargas, Nicolas; Opsahl, Julia Onsrud; Kiryushchenko, Nadezhda; Böttcher, Yvonne; Lee-Ødegård, Sindre & Qvigstad, Elisabeth [Show all 15 contributors for this article] (2021). Cohort profile: Epigenetics in Pregnancy (EPIPREG) – Population-based sample of European and South Asian pregnant women with epigenome-wide DNA methylation (850k) in peripheral blood leukocytes. PLOS ONE. ISSN 1932-6203. 16(8), p. 1–15. doi: 10.1371/journal.pone.0256158. Full text in Research Archive
• Kinnunen, Tarja I.; Richardsen, Kåre Rønn; Sletner, Line; Torgersen, Leila; Sommer, Christine & Waage, Christin Wiegels [Show all 8 contributors for this article] (2019). Ethnic differences in body mass index trajectories from 18 years to postpartum in a population-based cohort of pregnant women in Norway. BMJ Open. ISSN 2044-6055. 9(2). doi: 10.1136/bmjopen-2018-022640. Full text in Research Archive
• Bærug, Anne Bergljot; Sletner, Line; Laake, Petter; Fretheim, Atle; Løland, Beate Fossum & Waage, Christin [Show all 8 contributors for this article] (2018). Recent gestational diabetes was associated with mothers stopping predominant breastfeeding earlier in a multi-ethnic population. Acta Paediatrica. ISSN 0803-5253. 107(6), p. 1028–1035. doi: 10.1111/apa.14274. Full text in Research Archive
• Eggemoen, Åse Ruth; Waage, Christin; Sletner, Line; Gulseth, Hanne Løvdal; Birkeland, Kåre I. & Jenum, Anne Karen (2018). Vitamin D, gestational diabetes, and measures of glucose metabolism in a population-based multiethnic cohort. Journal of Diabetes Research. ISSN 2314-6745. 2018. doi: 10.1155/2018/8939235. Full text in Research Archive
• Waage, Christin; Jenum, Anne Karen; Mdala, Ibrahimu; Berg, Jens Petter; Richardsen, Kåre Rønn & Birkeland, Kåre I. (2017). Associations between gestational diabetes mellitus and elevated HbA1c early postpartum in a multi-ethnic population. Primary Care Diabetes. ISSN 1751-9918. 11(2), p. 132–139. doi: 10.1016/j.pcd.2016.09.007.
• Kinnunen, Tarja I.; Waage, Christin; Sommer, Christine; Sletner, Line; Raitanen, Jani & Jenum, Anne Karen (2016). Ethnic Differences in Gestational Weight Gain: A Population-Based Cohort Study in Norway. Maternal and Child Health Journal. ISSN 1092-7875. 20(7), p. 1485–1496. doi: 10.1007/s10995-016-1947-7.
• Waage, Christin; Mdala, Ibrahimu; Jenum, Anne Karen; Michelsen, Trond Melbye; Birkeland, Kåre I. & Sletner, Line (2016). Ethnic differences in blood pressure from early pregnancy to postpartum: A Norwegian cohort study. Journal of Hypertension. ISSN 0263-6352. 34(6), p. 1151–1159. doi: 10.1097/HJH.0000000000000918.
• Waage, Christin; Falk, Ragnhild Sørum; Sommer, Christine; Mørkrid, Kjersti; Richardsen, Kåre Rønn & Bærug, Anne Bergljot [Show all 9 contributors for this article] (2016). Ethnic differences in postpartum weight retention: a Norwegian cohort study. BJOG: An International Journal of Obstetrics and Gynaecology. ISSN 1470-0328. 123(5), p. 699–708. doi: 10.1111/1471-0528.13321. Full text in Research Archive Show summary

  Objective To explore ethnic differences in weight retention 14 weeks postpartum. Design Population-based cohort study. Setting The STORK Groruddalen Study. Population A multi-ethnic cohort of healthy pregnant women attending primary antenatal care at three public Child Health Clinics, in Oslo, Norway (n = 642). Methods An explanatory linear regression was performed to model the relationship between ethnicity and postpartum weight retention. Forward selection of 12 explanatory factors was used to adjust for potential confounding factors, based on univariate analysis and adjusted R 2 . Main outcome measure Postpartum weight retention. Results Unadjusted mean postpartum weight retention was 2.3 (4.9) kg for women from Western Europe and varied from 3.7 (3.5) to 6.3 (4.7) kg among the five ethnic minority groups. The proportion of women in the highest quintile (postpartum weight retention >8.5–24.4 kg) significantly differed by ethnicity (P < 0.01 for the proportion of women from South Asia, the Middle East and Africa compared with Western Europeans). Women from all ethnic minority groups had a higher relative increase in weight from pre-pregnancy to postpartum (P < 0.01) compared with Western Europeans. After adjustments for significant exposures, women from the Middle East retained 2.0 kg (95% CI: 1.0–3.0), South Asia 2.8 kg (91.9–3.6), and Africa 4.4 kg (3.1–5.8) more than Western Europeans (P < 0.01). Conclusions Significantly more women with an ethnic origin from South Asia, the Middle East and Africa had high postpartum weight retention compared with Western European women.

• Sommer, Christine; Jenum, Anne Karen; Waage, Christin; Mørkrid, Kjersti; Sletner, Line & Birkeland, Kåre I. (2015). Ethnic differences in BMI, subcutaneous fat, and serum leptin levels during and after pregnancy and risk of gestational diabetes. European Journal of Endocrinology (EJE). ISSN 0804-4643. 172(6), p. 649–656. doi: 10.1530/EJE-15-0060.
• Mørkrid, Kjersti; Jenum, Anne Karen; Sletner, Line; Vårdal, Mari H; Waage, Christin & Nakstad, Britt [Show all 8 contributors for this article] (2012). Failure to increase insulin secretory capacity during pregnancy-induced insulin resistance is associated with ethnicity and gestational diabetes. European Journal of Endocrinology (EJE). ISSN 0804-4643. 167(4), p. 579–588. doi: 10.1530/EJE-12-0452. Full text in Research Archive
• Marceliussen, Kari Mari; Ottestad, Silje; Sanderson, Norun Christine; Sponheim, Nils & Waage, Christin (2011). Problembasert læring - 'light'. In Bjørke, Gerd (Eds.), HiO-rapport 2011 nr. 12 Blikk inn i høgskolepedagogisk kompetanseutvikling. Høgskolen i Oslo og Akershus. ISSN 9788257947583. p. 46–57.

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• Waage, Christin; Toftemo, Ingun; Brænd, Anja Maria; Sletner, Line; Sommer, Christine & Birkeland, Kåre Inge [Show all 10 contributors for this article] (2023). Cohort profile update: the Norwegian STORK Groruddalen (STORK G) pregnancy and birth cohort—the role of ethnicity and causal pathways for obesity, type 2 diabetes, cardiovascular disease and other health issues. BMJ Open. ISSN 2044-6055. 13(10), p. 1–11. doi: 10.1136/bmjopen-2023-076251. Full text in Research Archive
• Waage, Christin; Mdala, Ibrahimu; Brænd, Anja Maria; Jenum, Anne Karen & Birkeland, Kåre Inge (2023). Prediabetes and diabetes 11 years after pregnancy in ethnic minority groups with and without gestational diabetes.
• Bennetter, Karin Elisabeth; Waage, Christin; Richardsen, Kåre Rønn; Jenum, Anne Karen & Robinson, Hilde Stendal (2022). Moderate-to-vigorous physical activity level 11 years postpartum in a multiethnic sample.
• Bennetter, Karin Elisabeth; Waage, Christin; Richardsen, Kåre Rønn; Jenum, Anne Karen; Vøllestad, Nina Køpke & Robinson, Hilde Stendal [Show all 7 contributors for this article] (2022). Associations between social support and physical activity among postpartum women: a cohort study.
• Waage, Christin; Richardsen, Kåre Rønn; Jenum, Anne Karen; Vøllestad, Nina Køpke & Robinson, Hilde Stendal (2022). Associations between social support and physical activity among postpartum women: a cohort study. European Journal of Public Health. ISSN 1101-1262. doi: 10.1093/eurpub/ckac131.440.
• Kinnunen, Tarja I; Richardsen, Kåre Rønn; Sommer, Christine; Sletner, Line; Waage, Christin Wiegels & Mdala, Ibrahimu [Show all 8 contributors for this article] (2018). Ethnic differences in body mass index trajectories from 18 years to 3 months postpartum in a cohort in Norway. Show summary

  Longitudinal studies in multiethnic populations are needed to identify the periods in life when ethnic differences in development of overweight emerge. This study explored ethnic differences in changes in body mass index (BMI) among women from the age of 18 years until three months postpartum.

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