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Table 1 Sample characteristics at start of study (1990–1991) of the eligible and ineligible women in the mixed effects modeling analyses of abdominal pain severity

From: Abdominal pain during the menopause transition and early postmenopause: observations from the Seattle Midlife Women’s Health Study

 

Eligible Women (n = 291)

Ineligible Women (n = 217)

 

Characteristic

Mean (SD)

Mean (SD)

P-value a

 Age (years)

41.5 (4.3)

42.0 (5.0)

0.180

 Years of education

15.9 (2.8)

15.3 (3.0)

0.030

 Family income ($)

38,200 (15,000)

18.6 (7.0)

35,200 (17,600)

17.1 (8.3)

0.040

Characteristic

N (Percent)

N (Percent)

P-value b

 Currently employed

  

0.400

  Yes

254 (87.3)

184 (84.8)

 

  No

37 (12.7)

33 (15.2)

 

 Race/ethnicity

  

0.001

  African American

20 (6.9)

38 (17.5)

 

  Asian /Pacific Islander

27 (9.3)

16 (7.4)

 

  White

238 (81.8)

153 (70.5)

 

  Other (Hispanic, Mixed)

6 (2.1)

10 (4.6)

 

 Marital Status

  

0.420

  Married/partnered

278 (71.1)

141 (65.0)

 

  Divorced/widowed/not partnered

63 (21.7)

62 (28.6)

 

  Never married/partnered

21 (7.2)

14 (6.5)

 
  1. a Independent t-test
  2. b Chi-square test