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Table 3 Results of simple and multiple logistic regression models with adequate use of ANC as outcome, related to selected explanatory variables in the two areas

From: Factors associated with antenatal care adequacy in rural and urban contexts-results from two health and demographic surveillance sites in Vietnam

  Rural areas Urban areas
  Adequate use (%) Crude OR (95%CI) Adjusted OR (95% CI) Adequate use (%) Crude OR (95%CI) Adjusted OR (95% CI)
Age group **      
   < 25 11.6 0.56 (0.41-0.78) 0.58 (0.40-0.84) 78.0 0.94 (0.58-1.55) 1.06 (0.61-1.84)
   25-34 18.9 1 1 78.9 1 1
   35+ 13.5 0.67 (0.35-1.27) 0.84 (0.41-1.73) 73.4 0.74 (0.43-1.26) 0.86 (0.48-1.54)
Education ***    *   
   Secondary or less 10.7 0.25 (0.17-0.36) 0.57 (0.34-0.94) 62.5 0.42 (0.23-0.78) 0.61 (0.29-1.31)
   High school 14.0 0.34 (0.24-0.52) 0.70 (0.42-1.16) 77.9 0.89 (0.62-1.29) 1.15 (0.73-1.82)
   Post high school 32.3 1 1 79.9 1 1
Occupation ***    *   
   Employment 30.0 1 1 80.2 1 1
   Self employment 11.4 0.30 (0.22-0.42) 0.46 (0.30-0.71) 74.8 0.73 (0.52-1.03) 0.89 (0.57-1.39)
Parity       
   1 17.4 1 1 79.6 1 1
   2 13.3 0.73 (0.52-1.02) 0.78 (0.53-1.15) 77.7 0.89 (0.63-1.27) 0.87 (0.59-1.29)
   3+ 13.0 0.71 (0.46-1.09) 0.93 (0.53-1.62) 66.7 0.51 (0.25-1.06) 0.65 (0.29-1.49)
Pregnancy at risk       
   Low risk 15.9 1 1 78.3 1 1
   High risk 10.2 0.60 (0.36-1.01) 0.56 (0.32-0.96) 78.3 1.00 (0.59-1.69) 1.14 (0.65-1.99)
Household economic ***      
   Poor 9.5 0.39 (0.26-0.58) 0.73 (0.46-1.16) 74.0 0.63 (0.42-0.96) 0.69 (0.43-1.09)
   Middle 11.4 0.63 (0.44-0.89) 0.88 (0.60-1.29) 78.1 0.79 (0.52-1.19) 0.80 (0.52-1.23)
   Rich 21.2 1 1 81.9 1 1
Community condition ***   **    
   Low 10.3 0.40 (0.24-0.63) 0.54 (0.32-0.92) 73.7 0.67 (0.52-1.13) 0.71 (0.47-1.07)
   Middle 13.7 0.55 (0.39-0.76) 0.72 (0.50-1.04) 85.4 1.60 (0.98-2.61) 1.61 (0.97-2.67)
   High 22.6 1 1 78.5 1 1
ANC type       
   Public only 15.8 1 1 76.5 1 1
   Private only 5.2 0.29 (0.12-0.69) 0.26 (0.11-0.64) 62.5 0.51 (0.26-0.99) 0.44 (0.22-0.88)
   Public and private 17.4 1.12 (0.81-1.56) 0.94 (0.66-1.34) 83.7 1.57 (1.09-2.28) 1.55 (1.05-2.27)
Total 15.2    78.3   
  1. p value for Chi square test of the null hypothesis that all true percentages are equal within a group (no tests for trends). *: p < 0.05; **: p < 0.01; ***: p < 0.001