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Table 1 Characteristics of 256 women in nausea and vomiting diary study

From: The onset of nausea and vomiting of pregnancy: a prospective cohort study

Characteristic

Average hours per day Nausea and Vomiting

Totals

 

<1,5 hours/day

(1.5,4] hours/day

≥4 hours/day

 

All women

56 (22%)

108 (42%)

92 (36%)

256 (100%)

Age

    

18-28

20 (24%)

40 (48%)

24 (29%)

84 (33%)

29-32

22 (23%)

44 (45%)

31 (32%)

97 (38%)

33-43

14 (19%)

24 (32%)

37 (49%)

75 (29%)

BMI

    

≤25kg/m2

32 (27%)

53 (45%)

34 (29%)

119 (46%)

(25,30] kg/m2

18 (24%)

30 (32%)

28 (44%)

63 (25%)

>30 kg/m2

8 (11%)

34 (47%)

30 (42%)

72 (28%)

Smoking

    

Current or ex

37 (24%)

54 (35%)

42 (42%)

100 (39%)

Never

19 (19%)

54 (54%)

27 (47%)

156 (61%)

Previous live births

    

0

28 (27%)

52 (50%)

23 (22%)

100 (40%)

1

21 (20%)

39 (37%)

45 (43%)

105 (41%)

≥2

7 (15%)

17 (35%)

24 (50%)

48 (19%)

Miscarriages

    

0

35 (24%)

60 (41%)

50 (34%)

145 (57%)

1

12 (18%)

35 (51%)

21 (31%)

68 (27%)

≥2

9 (21%)

13 (30%)

21 (49%)

43 (17%)

Education level

    

Below A-level

11 (17%)

35 (56%)

17 (27%)

63 (25%)

A-levels

16 (19%)

32 (38%)

36 (43%)

84 (33%)

Degree level

29 (27%)

41 (38%)

39 (36%)

109 (43%)