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Table 2 Associations between physical or sexual IPV in the last year and miscarriage as a pregnancy outcome in a sample of 1897 Guatemalan women ages 15-491, 2

From: Increased risk of miscarriage among women experiencing physical or sexual intimate partner violence during pregnancy in Guatemala City, Guatemala: cross-sectional study

Variable

Crude OR (95% CI)

Model I3

OR (95% CI)

Model II4

OR (95% CI)

Model III5

OR (95% CI)

Physical or sexual IPV

1.88 (1.25 to 2.82)

p = 0.002

1.88 (1.26 to 2.79)

p = 0.002

1.83 (1.23 to 2.72)

p = 0.003

1.69 (1.13 to 2.57)

p = 0.014

Age

    

15-19

  

1.0

1.0

20-24

  

1.89 (1.16 to 3.07)

p = 0.010

1.85 (1.14 to 3.01)

p = 0.013

25-29

  

1.45 (.85 to 2.46)

p = 0.171

1.44 (.84 to 2.45)

p = 0.184

30-34

  

1.88 (1.10 to 3.23)

p = 0.022

1.91 (1.11 to 3.29)

p = 0.019

35-39

  

3.10 (1.74 to 5.53)

p < 0.001

3.08 (1.72 to 5.51)

p < 0.001

40-49

  

3.59 (1.75 to 7.37)

p < 0.001

3.76 (1.83 to 7.70)

p < 0.001

Tobacco 6

   

3.39 (1.72 to 6.68)

p < 0.001

  1. 1Statistically significant differences denoted as: * p < = 0.05, ** p < = 0.01, *** p < = 0.001
  2. 2Models I-III present confidence intervals and p-values based on bootstrap replications (n = 1000).
  3. 3Model I adjusted for physical or sexual IPV, and for four variables related to socioeconomic status: ethnicity, education, wealth, and occupation housewife. None of the factors related to SES were significant at the p < = 0.05 level.
  4. 4Model II adjusted for Model I variables and 4 additional maternal reproductive variables: maternal age, pregnancy number, presence of syphilis, and pregnancy planned. Syphilis could not be used due to collinearity. Maternal age was significant at the p < = 0.05 level.
  5. 5Model III adjusted for Model II variables and three additional risk behaviours: tobacco use during the last 6 months, alcohol use during the last 6 months, and use of illegal drugs (ever). Tobacco was significant at the p < = 0.05 level.
  6. 6Consumption of tobacco in the last 6 months.