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Table 5 Factors associated with knowledge on common NCDs and nutritional need during pregnancy (n = 630)

From: Women’s knowledge on common non-communicable diseases and nutritional need during pregnancy in three townships of Ayeyarwaddy region, Myanmar: a cross-sectional study

  Simple linear regression Model I (behavioral risk factors and knowledge) Model II (pre-existing NCDs and knowledge) Model III (family history of NCDs and knowledge) Model IV (final)
Coef. p value 95%CI Coef. p value 95%CI Coef. p value 95%CI Coef. p value 95%CI Coef. p value 95%CI
Women’s age
 ≤ 19 (ref)
  20–29 2.3 0.143 − 0.8 5.3 1.2 0.451 − 1.9 4.3 1.3 0.419 − 1.8 4.3 1.0 0.519 − 2.1 4.1 1.0 0.542 − 2.1 4.0
  30–29 4.2 0.009 1.1 7.4 3.2 0.051 0.0 6.3 3.1 0.053 0.0 6.3 2.9 0.069 − 0.2 6.1 3.0 0.063 −  0.2 6.2
  40–49 4.0 0.114 − 1.0 8.9 3.7 0.146 − 1.3 8.7 3.6 0.152 − 1.3 8.6 3.7 0.141 − 1.2 8.7 3.8 0.131 − 1.1 8.8
Ethnic
 Bamar (ref)
  Other − 0.6 0.494 − 2.3 1.1 −  0.7 0.396 − 2.4 1.0 − 0.5 0.531 − 2.2 1.1 − 0.6 0.506 − 2.3 1.1 − 0.8 0.357 − 2.5 0.9
  Education                     
  Didn’t go to school (ref)                     
  Primary school 2.7 0.097 − 0.5 5.9 2.0 0.214 − 1.2 5.3 1.9 0.241 − 1.3 5.2 2.2 0.184 − 1.0 5.4 2.0 0.234 − 1.3 5.2
  Middle school 3.3 0.061 − 0.2 6.7 2.4 0.185 − 1.1 5.9 2.1 0.241 − 1.4 5.6 2.4 0.177 − 1.1 5.9 2.2 0.222 − 1.3 5.7
  High school 4.2 0.016 0.8 7.6 3.3 0.077 − 0.4 6.9 3.2 0.085 − 0.4 6.8 3.5 0.057 − 0.1 7.1 3.1 0.091 − 0.5 6.7
Occupation
 Housewife (ref)
  Farmer 1.4 0.174 − 0.6 3.5 1.1 0.311 − 1.0 3.2 1.1 0.286 − 1.0 3.3 1.1 0.294 − 1.0 3.2 1.0 0.346 − 1.1 3.1
  Others 0.3 0.726 − 1.5 2.1 0.2 0.793 − 1.6 2.1 0.2 0.810 − 1.6 2.1 0.2 0.812 − 1.6 2.0 0.3 0.771 − 1.6 2.1
Wealth_index2
 Lowest (ref)
  Second 3.9 0.002 1.4 6.4 3.3 0.010 0.8 5.8 3.5 0.006 1.0 6.1 3.4 0.008 0.9 5.9 3.5 0.007 1.0 6.0
  Middle 4.1 0.001 1.6 6.6 3.3 0.012 0.7 5.8 3.7 0.006 1.1 6.2 3.3 0.011 0.8 5.9 3.5 0.008 0.9 6.1
  Fourth 3.9 0.003 1.4 6.4 3.1 0.024 0.4 5.7 3.4 0.014 0.7 6.0 3.0 0.028 0.3 5.6 3.2 0.019 0.5 5.8
  Highest 3.1 0.017 0.6 5.6 1.9 0.168 − 0.8 4.7 2.1 0.136 − 0.7 4.9 1.8 0.209 − 1.0 4.5 1.9 0.181 − 0.9 4.6
  Behavioral risk factors − 1.5 0.061 − 3.1 0.1 − 1.6 0.057 − 3.2 0.0          − 1.5 0.070 − 3.1 0.1
  Pre-existing NCDs 1.6 0.145 −0.6 3.9      2.1 0.067 − 0.1 4.3      1.4 0.221 − 0.9 3.7
  Family history of NCDs 2.1 0.012 0.5 3.7          2.1 0.012 0.5 3.6 1.8 0.028 0.2 3.5
  R2      0.05     0.05     0.05     0.06    
  Adjusted R2      0.03     0.03     0.03     0.04