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Table 2 Prevalence and severity of NVP in the 1st trimester of pregnancy according to race/ethnicity.

From: Epidemiology of nausea and vomiting of pregnancy: prevalence, severity, determinants, and the importance of race/ethnicity

Race/ethnicity n (%)

Prevalencea n = 288

Severityb

Intensity of nauseac

(mean ± SD)

Excessive salivation experienced

  

Mild n = 145

Moderate n = 126

Severe n = 7

  

Caucasian n = 298

237(79.53)

123 (52.79)

105 (45.06)

5 (2.15)

4.55 ± 2.41

46 (19.57)

Asian n = 15

9 (60.00)

4 (50.00)

4 (50.00)

0

5.17 ± 2.79

3 (37.50)

Black n = 37

26 (70.27)

11 (45.83)

11 (45.83)

2 (8.33)

5.40 ± 2.88

19 (79.17)

Hispanic n = 17

16 (94.12)

7 (53.85)

6 (46.15)

0

5.13 ± 2.68

5 (35.71)

  1. a Fisher's exact test: p = 0.06 (Pairwise comparisons p < 0.05: Asian vs Hispanic)
  2. b Fisher's exact test: p = 0.66
  3. c ANOVA: p = 0.34
  4. d Fisher's exact test: p < 0.0001 (Pairwise comparisons p < 0.05: Black vs Caucasian and Black vs Hispanic)