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Table 3 Adjusted ORs and Differences with 95% Confidence Intervals by Ethnicity, Age, Education, and Insurance

From: How do pregnant women’s perceptions of obstetric forceps change according to their demographic background: a cross sectional study

Question

Subgroup A

ref

Subgroup B

aOR (95% CI)

Subgroup C

aOR (95% CI

Subgroup D

Ethnicity

White

Hispanic

African American

Other

Q1 (n = 416)

OR = 1

0.64 (0.3, 1.3)

0.35 (0.2, 0.7) a

0.16 (0.05, 0.6) a

Q2 (n = 438)

Adj diff = 0

−0.23 (− 0.5, 0.04)

− 0.14 (− 0.4, 0.1)

−0.24 (− 0.6, 0.1)

Q3 (n = 436)

Adj diff = 0

− 0.07 (− 0.4, 0.2)

−0.2 (− 0.4, 0.04)

0.15 (− 0.2, 0.5)

Q4 (n = 403)

OR = 1

0.72 (0.4, 1.4)

0.63 (0.3, 1.2)

0.57 (0.2, 1.4)

Q5 (n = 421)

OR = 1

0.51 (0.3, 1.01)

1.2 (0.7, 2.2)

0.86 (0.3, 2.2)

Age

20–29

< 20

30–39

> 40

Q1 (n = 416)

OR = 1

0.69 (0.2, 2.9)

0.87 (0.6, 1.4)

0.9 (0.1, 5.5)

Q2 (n = 438)

Adj diff = 0

−0.14 (−0.6, 0.4)

−0.17 (− 0.3, 0.1)

0.2 (− 0.4, 0.8)

Q3 (n = 436)

Adj diff = 0

−0.44 (− 0.9, 0.1)

−0.03 (− 0.2, 0.1)

0.01 (− 0.6, 0.6)

Q4 (n = 403)

OR = 1

0.83 (0.2, 3.1)

0.62 (0.4, 0.9) a

0.75 (0.1, 5)

Q5 (n = 421)

OR = 1

0.26 (0.06, 1.03)

0.82 (0.5, 1.3)

0.27 (0.05, 1.6)

Education

College

Below High School

High School

Post-College

Q1 (n = 416)

OR = 1

0.87 (0.3, 2.8)

0.85 (0.5, 1.5)

1.2 (0.7, 2.1)

Q2 (n = 438)

Adj diff = 0

−0.01 (−0.4, 0.4)

−0.13 (− 0.3, 0.1)

−0.05 (− 0.3, 0.2)

Q3 (n = 436)

Adj diff = 0

−0.23 (− 0.7, 0.2)

−0.04 (− 0.3, 0.2)

0.06 (− 0.2, 0.3)

Q4 (n = 403)

OR = 1

0.7 (0.2, 2.2)

0.75 (0.4, 1.3)

1.49 (0.9, 2.6)

Q5 (n = 421)

OR = 1

0.2 (0.1, 0.7) a

0.66 (0.4, 1.2)

1.13 (0.7, 1.9)

Insurance

Private

Government

Self

N/A

Q1 (n = 416)

OR = 1

1.05 (0.6, 2)

2.7 (1.3, 5.6) a

N/A

Q2 (n = 438)

Adj diff = 0

−0.3 (−0.5, −0.1) a

0.07 (−0.2, 0.3)

N/A

Q3 (n = 436)

Adj diff = 0

−0.21 (− 0.5, 0.04)

0.12 (− 0.2, 0.4)

N/A

Q4 (n = 403)

OR = 1

0.6 (0.3, 1.1)

1.55 (0.8, 3.2)

N/A

Q5 (n = 421)

OR = 1

1.28 (0.7, 2.3)

1.34 (0.7, 2.7)

N/A

  1. a significant vs Subgroup A using a General Linear Model regression