Study ref Evidence Sample Setting/population Findings Comments Level size () IV 116 Pregnant women booking for There were no significant differences overall in the Australian study antenatal care in Cairns Base women’s vitamin D concentrations based on their Vitamin D level Hospital, Queensland (latitude indigenous status, diabetes status or parity. (nmol/L): 16.87°S). However, within the range of 50–100 nmol/L, 50–74.9: n=8 (6.9%) Indigenous women’s median serum vitamin D 75–99.9: n=28 concentrations (78) were significantly lower than (24.2%) the median concentrations of nonindigenous 100–150: n=68 women (89) P=0.05, but were above the level at (58.6%) which insufficiency is diagnosed. 151–200: n=12 (10.3%) () II 200 Comparison of vitamin D levels in Aboriginal patients from the Aboriginal Community Aboriginal women attending for Controlled Health Service (ACCHS) had lower antenatal care in Kalgoorlie ((latitude serum vitamin D levels (mean 46.7, SD 21.7 nmol/L), 30.7489°S, longitude 121.4658°E) at compared with non-Aboriginal women (mean either the antenatal clinic at Bega 65.4, SD 18.4 nmol/L, P <0.0001). The difference Garnbirringu Health Service (n=100) was 11.5 nmol/L (P = 0.0078) after controlling for (BG) or antenatal care with a local confounding variables. GP obstetrician (n=100) (LC). 18% of Aboriginal patients had vitamin D deficiency (<25 nmol/L) at measurement, compared with 2% of non-Aboriginal patients
Study ref Evidence Level Sample size Setting/population Findings Comments () IV 116 Pregnant women booking for antenatal care in Cairns Base Hospital, Queensland (latitude 16.87°S). There were no significant differences overall in the women’s vitamin D concentrations based on their indigenous status, diabetes status or parity. However, within the range of 50–100 nmol/L, Indigenous women’s median serum vitamin D concentrations (78) were significantly lower than the median concentrations of nonindigenous women (89) P=0.05, but were above the level at which insufficiency is diagnosed. Australian study Vitamin D level (nmol/L): 50–74.9: n=8 (6.9%) 75–99.9: n=28 (24.2%) 100–150: n=68 (58.6%) 151–200: n=12 (10.3%) () II 200 Comparison of vitamin D levels in Aboriginal women attending for antenatal care in Kalgoorlie ((latitude 30.7489°S, longitude 121.4658°E) at either the antenatal clinic at Bega Garnbirringu Health Service (n=100) (BG) or antenatal care with a local GP obstetrician (n=100) (LC). Aboriginal patients from the Aboriginal Community Controlled Health Service (ACCHS) had lower serum vitamin D levels (mean 46.7, SD 21.7 nmol/L), compared with non-Aboriginal women (mean 65.4, SD 18.4 nmol/L, P <0.0001). The difference was 11.5 nmol/L (P = 0.0078) after controlling for confounding variables. 18% of Aboriginal patients had vitamin D deficiency (<25 nmol/L) at measurement, compared with 2% of non-Aboriginal patients
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