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Table 1 Distribution of the social and clinical data of 71 Swedish and 52 Somali women by categories of 25(OH)D (nmol/L), with mean values and 95% confidence interval (95% CI) of interval data and median values (IQR) of ordinal data, and number (n) and frequencies of categorical data

From: Physical performance and 25-hydroxyvitamin D: a cross-sectional study of pregnant Swedish and Somali immigrant women and new mothers

 

25(OH)D categories

p

 

< 10

10–24

25–49

50–74

> 75

 

Swedish, n (%)

 

7 (9.9)

31 (43.7)

29 (40.8)

4 (5.6)

 

Somali, n (%)

18 (34.6)

29 (55.8)

4 (7.7)

1 (1.9)

  

Variables

      

PTH, mean 95% CI

      

Swedish

 

4.4 (2.5–6.4)

4.8 (3.8–5.7)

4.4 (3.4–5.3)

5.7 (0.6–10.8)

 

Somali

16.2 (7.7–24.7)

11.1 (9.4-12.9)

6.8 (2.0–11.7)

   

Age, years

      

Swedish

31.7 (24.8–35.6)

29.9 (28.2–31.7)

31.2 (29.4–32.9)

31.0 (18.7–43.3)

 

Somali

26.7 (23.4–30.0)

29.0 (26.7–31.4)

28.3 (16.7–35.8)

36.0

  

Height, cm

      

Swedish

 

164 (158–169)

168 (166–170)

167 (165–170)

171 (163–179)

 

Somali

161 (159–163)

162 (159–164)

165 (160–169)

155

  

Pregnant, months

      

Swedish

6.3 (4.3–8.4)

6.1 (5.3–7.0)

5.9 (5.1–6.8)

  

Somali

6.2 (5.4–7.0)

5.8 (3.7–8.0)

   

Parity, n

      

Swedish

 

1 (0–2)

1 (0–2)

1 (1–1.5)

1 (0.5–1)

0.02

Somali

1 (0–4)

3 (2–6)

2.5 (1–5.5)

3

  

Activity/week, n

      

Swedish

3 (0–3)

0 (0–3)

3 (0–3)

3 (1–3)

0.04

Somali

0 (0–3)

1.5 (0–3)

3 (0–3)

   
  1. Analysis of variance test of variance (ANOVA) for significant differences in means between groups of interval data. Kruskal-Wallis test was used for significant differences in medians across categories of 25(OH)D. PTH in pmol/L.
  2. Significant p-values are in bold.