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. 2010 Nov;100(11):2185–2192. doi: 10.2105/AJPH.2009.174755

TABLE 2.

Logistic Regression Models Predicting Health Behaviors Among Native-Born and Foreign-Born Pregnant Black Women: Philadelphia, PA, 1999–2004

Smokinga
Alcohol Useb
Marijuana Useb
Model 1,c OR (95% CI) Model 2,d OR (95% CI) Model 1,c OR (95% CI) Model 2,d OR (95% CI) Model 1,c OR (95% CI) Model 2,d OR (95% CI)
Place of birth
    United States (Ref) 1.00 1.00 1.00 1.00 1.00 1.00
    Africa 0.05 (0.01, 0.19) 0.06 (0.02, 0.27) 0.23 (0.13, 0.40) 0.25 (0.14, 0.44) 0.04 (0.01, 0.26) 0.05 (0.01, 0.37)
    Caribbean 0.14 (0.07, 0.29) 0.14 (0.07, 0.29) 0.57 (0.39, 0.79) 0.60 (0.42, 0.86) 0.24 (0.13, 0.44) 0.26 (0.14, 0.49)
Marital status
    Single (Ref) 1.00 1.00 1.00 1.00 1.00 1.00
    Married/cohabiting 0.50 (0.38, 0.66) 0.75 (0.57, 1.00) 0.85 (0.69, 1.04) 0.97 (0.78, 1.21) 0.55 (0.41, 0.73) 0.72 (0.54, 0.96)
    Other 0.84 (0.47, 1.52) 1.07 (0.56, 2.02) 0.93 (0.55, 1.58) 1.01 (0.59, 1.73) 0.68 (0.33, 1.40) 0.77 (0.36, 1.64)
Educational attainment
    < High school (Ref) 1.00 1.00 1.00 1.00 1.00 1.00
    High school 0.18 (0.13, 0.25) 0.26 (0.19, 0.36) 1.03 (0.83, 1.28) 1.32 (1.04, 1.66) 0.39 (0.29, 0.52) 0.58 (0.43, 0.78)
    > High school 0.40 (0.33, 0.49) 0.48 (0.39, 0.59) 0.99 (0.83, 1.18) 1.10 (0.92, 1.32) 0.66 (0.55, 0.80) 0.82 (0.67, 1.01)
Material hardship indexe
    Low (Ref) 1.00 1.00 1.00 1.00 1.00 1.00
    Moderate 1.61 (1.27, 2.06) 1.39 (1.07, 1.81) 1.88 (1.55, 2.29) 1.67 (1.36, 2.05) 1.91 (1.51, 2.42) 1.60 (1.25, 2.05)
    High 1.73 (1.34, 2.22) 1.18 (0.89, 1.57) 1.87 (1.52, 2.31) 1.54 (1.22, 1.93) 2.19 (1.70, 2.80) 1.46 (1.11, 1.92)
    Very high 2.00 (1.54, 2.60) 1.18 (0.86, 1.62) 1.73 (1.38, 2.17) 1.33 (1.03, 1.72) 2.35 (1.81, 3.05) 1.35 (1.00, 1.83)
Material supportf
    High (Ref) 1.00 1.00 1.00 1.00 1.00 1.00
    Low 2.12 (1.71, 2.64) 1.54 (1.21, 1.97) 0.99 (0.81, 1.21) 0.81 (0.65, 1.01) 1.77 (1.43, 2.19) 1.24 (0.98, 1.57)
Objective stress scoreg 1.26 (1.21, 1.31) 1.16 (1.11, 1.22) 1.13 (1.09, 1.16) 1.11 (1.07, 1.16) 1.27 (1.22, 1.31) 1.20 (1.15, 1.25)

Note. CI = confidence interval; OR = odds ratio.

a

During pregnancy.

b

In 12 months before pregnancy.

c

Bivariate associations, adjusted for age only.

d

Adjusted for all individual-level explanatory variables shown.

e

Derived from 5 questions (range = 1–5) regarding inability to pay monthly bills and to afford food, leisure activities, medical care, and clothing; (low = < 7; moderate = 7–10; high = 11–15; very high ≥ 16).

f

Dichotomous measure based on a yes (high) or no (low) response to all of the following: Do you know someone who (1) would take you to the doctor? (2) would loan you $100? (3) would help you with daily chores if you were sick? (4) you could talk to about problems? and (5) would watch your children?

g

Composite measure assessing housing, interpersonal conflict, material hardship, and neighborhood danger.