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CONFERENCE PROCEEDING
Does length of residency in a host country and ethnicity increase a migrant woman’s risk of gestational diabetes?
1
Westmead Hospital, Westmead Institute for Maternal & Fetal Medicine- Women's & Newborn Health, Westmead, Australia
2
Reproduction and Perinatal Centre- The University of Sydney, Faculty of Medicine and Health, Sydney, Australia
3
Liverpool Hospital, Department of Obstetrics and Gynaecology, Liverpool, Australia
4
Blacktown and Mount Druitt Hospitals, Women’s Health Maternity, Blacktown, Australia
5
Northern Sydney Local Health District, Nursing and Midwifery, Sydney, Australia
6
Westmead Hospital, Women’s and Newborn Health, Westmead, Australia
7
Westmead Hospital, Department of Diabetes and Endocrinology, Westmead, Australia
Eur J Midwifery 2026;10(Supplement 1):A42
ABSTRACT
BACKGROUND:
Australia has one of highest migrant populations in the world. Approximately a third of women in Australia who give birth are migrants. There is an association between length of residence (LOR) for migrants and increased risk of adverse perinatal outcomes including preterm birth, low birthweight and for some groups, a higher risk of stillbirth. Little is known of the association between LOR and risk of gestational diabetes mellitus (GDM) for migrant women amongst different ethnic groups.
OBJECTIVES:
Investigates the relationship of GDM risk for specific migrant ethnic groups compared to native-born of each group as well as LOR.
METHODS:
This midwifery led observational cohort study in ten Australian hospitals covered June 2020 to November 2023. Ethnicity was self-reported by participants. Migrants were grouped into new arrivals of <5 years, those ≥5 years and Australian born of each ethnic group. Logistic regression adjusted for confounders including age, BMI, parity and history of GDM.
RESULTS:
Data for 60,701 participants were analysed. There were 32,391 (53.4%) Australian born women and 28,310 (46.6%) were migrants. The GDM prevalence was 18.2% (n=11,076) in the total cohort. Recent migrant GDM rate was 2068/9028 (22.9%), LOR ≥5 years migrants were 4835/19,282 (25.1%) with Australian born 4173/32391 (12.9%). The adjusted relative risk (aRR) for GDM in migrants with a LOR<5 years was 1.37(95%CI 1.31–1.43) when compared to Australian born. Among the ethnic groups, Middle Eastern women with LOR<5 years had the highest risk for GDM compared to those from the same ethnic group born in Australia (aRR 1.86; 95%CI 1.84–1.88).
CONCLUSIONS:
This study provides new insights that potentially considering migrant LOR in GDM risk assessment and health promotion, may mitigate the inequalities of outcomes observed.
KEY MESSAGE:
We identified a variation in GDM risk between migrant groups, with most ethnic migrant groups at higher risk than those of the same ethnicity born in Australia. Complications - GDM 1
Australia has one of highest migrant populations in the world. Approximately a third of women in Australia who give birth are migrants. There is an association between length of residence (LOR) for migrants and increased risk of adverse perinatal outcomes including preterm birth, low birthweight and for some groups, a higher risk of stillbirth. Little is known of the association between LOR and risk of gestational diabetes mellitus (GDM) for migrant women amongst different ethnic groups.
OBJECTIVES:
Investigates the relationship of GDM risk for specific migrant ethnic groups compared to native-born of each group as well as LOR.
METHODS:
This midwifery led observational cohort study in ten Australian hospitals covered June 2020 to November 2023. Ethnicity was self-reported by participants. Migrants were grouped into new arrivals of <5 years, those ≥5 years and Australian born of each ethnic group. Logistic regression adjusted for confounders including age, BMI, parity and history of GDM.
RESULTS:
Data for 60,701 participants were analysed. There were 32,391 (53.4%) Australian born women and 28,310 (46.6%) were migrants. The GDM prevalence was 18.2% (n=11,076) in the total cohort. Recent migrant GDM rate was 2068/9028 (22.9%), LOR ≥5 years migrants were 4835/19,282 (25.1%) with Australian born 4173/32391 (12.9%). The adjusted relative risk (aRR) for GDM in migrants with a LOR<5 years was 1.37(95%CI 1.31–1.43) when compared to Australian born. Among the ethnic groups, Middle Eastern women with LOR<5 years had the highest risk for GDM compared to those from the same ethnic group born in Australia (aRR 1.86; 95%CI 1.84–1.88).
CONCLUSIONS:
This study provides new insights that potentially considering migrant LOR in GDM risk assessment and health promotion, may mitigate the inequalities of outcomes observed.
KEY MESSAGE:
We identified a variation in GDM risk between migrant groups, with most ethnic migrant groups at higher risk than those of the same ethnicity born in Australia. Complications - GDM 1
| eISSN: | 2585-2906 |
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