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Table 1 Characteristics of the study population

From: Essential fatty acids for premenstrual syndrome and their effect on prolactin and total cholesterol levels: a randomized, double blind, placebo-controlled study

Characteristics

Groups

 

A (1 g)

B (2 g)

C (Placebo)

Age (mean ± SD)Δ

33.0 ± 6.6

32.4 ± 6.1

32.7 ± 6.3

Marital status - n (%) *

   

Single

14 (35.9)

15 (38.5)

16 (42.1)

Married

22 (56.4)

21 (53.8)

21 (55.3)

Other

03 (7.7)

03 (7.7)

01 (2.6)

Schooling - n (%) *

   

Primary

16 (41.0)

19 (48.7)

19 (50.0)

High school

20 (51.3)

17 (43.6)

17 (44.7)

University

03 (7.7)

03 (7.7)

02 (5.3)

Ethnicity - n (%) *

   

White

05 (12.8)

07 (17.9)

07 (18.4)

Non-white

34 (87.2)

32 (82.1)

31 (81.6)

Total

39

39

38

  1. Δ Test ANOVA (p = 0.926)
  2. * Pearson's chi-square test (marital status: p = 0.861; schooling: p = 0.925; ethnicity: p = 0.761)