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Table 2 Socio-demographic Characteristics of Women Who Consented vs. Those Who Did Not

From: Recruitment and retention of women in a large randomized control trial to reduce repeat preterm births: the Philadelphia Collaborative Preterm Prevention Project

Characteristic

Did Not Consent

Agreed to Short

Survey1

N = 118

Consented

N = 1126

p-value

p-value*

US born_yes

100 (85.5)

1024 (90.9)

0.06

 

Race/Ethnicity

    

   NH Black

46 (38.8)

805 (71.5)

0.000*

.000

   NH-White

56 (47.4)

117 (10.4)

  

   Hispanic/other

16 (13.8)

204 (18.1)

  

Education

    

   < High School

14 (11.9)

361 (32.1)

0.000*

.000

   HS/GED

36 (30.8)

438 (38.9)

  

   College or more

68 (57.3)

327 (29.0)

  

Married at Delivery_yes

61 (52.1)

218 (19.4)

0.000*

.000

Household Income

  

0.000*

.000

   < =10,000

8 (6.8)

226 (20.1)

  

   10-30,000

24 (20.5)

418 (37.1)

  

   30-60,000

30 (25.6)

169 (15.0)

  

   > 60,000

38 (32.5)

93 (8.3)

  

   Don't Know/Refused

17 (14.5)

220 (19.6)

  

Insurance Status

    

   Private Insurance

82 (69.8)

326 (29.0)

0.000*

.000

   Medicaid

36 (30.2)

765 (67.9)

  

   Uninsured

0 (0)

35 (3.1)

  

Mothers Age: mean (sd)

29.9 (5.8)

25.3 (6.4)

0.000*

.000

Gestational Age: mean (sd)

31.1 (3.5)

30.1 (4.0)

0.09*

 

Baby-alive at time of interview

    
 

106 (89.7)

1004 (89.2)

0.866

 

Regular dental visits 2

90 (76.3)

659 (58.5)

0.000*

.000

Periodontal disease 3

11 (9.6)

76 (6.8)

0.260

 

Physical health-fair/poor 4

3 (2.6)

110 (9.8)

0.02

.17

Smoking before or during pregnancy

23 (19.1)

331 (29.4)

0.02

.32

Ever homeless

1 (0.87)

164 (14.6)

0.000*

.000

BMI mean (sd)

26.3 (5.8)

26.3 (6.7)

0.971

 
  1. 1 Data only reported for those that completed the short form
  2. 2Reported making dental visits at least every 6 months
  3. 3 Ever being told that they had gum disease by a dentist
  4. 4Self-Reported Physical Health fair or poor as opposed to excellent, very good or good.
  5. *P values reflect adjustment for multiple comparisons using Bonferroni method