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Table 2 Summary of studies evaluating the connection between HG and ethnicity

From: Hyperemesis gravidarum in northern Israel: a retrospective epidemiological study

Study

Study population

Ethnicity in aim of study

Ethnic groups assessed

HG prevalence

Vilming and Neshem [10], Norway (1993-1997)

N = 120

Primary

Norwegian, non-Norwegian

Higher in non-Norwegian

Paauw et al [20], USA (1984-1991)

N = 45

Secondary

Whites, non-White

Higher incidence in non-Whites

Vlachodimitropoulou-Koumoutsea et al [9], UK (2007-2010)

N = 208

Secondary

Caucasian, African/Caribbean, Asian, Oriental, mixed

No significant difference

Bailit [2], USA (1999)

N = 2,466

Secondary

White, Non-White, Hispanic

Higher in Non-Whites

Bashiri et al [4], Israel (19985-1988)

N = 164

Secondary

Jewish, Bedouin

Higher in Jewish

Konikoff et al. Israel (2010-2013)

N = 184

Primary

Jewish, Arab

No significant difference