Skip to main content

Table 1 Subject characteristics stratified by Hormonal Contraceptive (HC) use

From: Hormonal contraceptive use and prevalence of premenstrual symptoms in a multiethnic Canadian population

 

HC non-users (%)

HC users (%)

p-value

N

782

320

0.0006

Age (years)

22.4 ± 0.1

23.0 ± 0.1

Ethnicity (%)

  

<0.0001

 Caucasian

293 (57)

221 (43)

 

 East Asian

348 (87)

53 (13)

 

 South Asian

87 (83)

18 (17)

 

 Other

54 (66)

28 (34)

 

Body mass index (kg/m2)*

22.4 ± 0.1

22.7 ± 0.2

0.11

Physical activity (met-h/wk)

7.5 ± 0.1

8.1 ± 0.2

0.007

PMS Medication Use

205 (26)

68 (21)

0.08

  1. Shown are crude means and standard errors of continuous variables, and n (%) of categorical variables
  2. p-values were obtained using chi-square tests for categorical variables and t-tests for continuous variables
  3. *indicates log-transformed variable was used for obtaining p-value