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Table 4 Linear regression associations between socio-demographic and pregnancy information with levels of change in perceived knowledge

From: Changes in perceived knowledge about childbirth among pregnant women participating in the Senses of Birth intervention in Brazil: a cross-sectional study

 EBP Knowledge Domainc, dNormal Birth Knowledge Domainc, eCesarean Knowledge Domainc, f
TotalbN = 940TotalbN = 944TotalcN = 938
CharacteristicsBP-valueBP-valueBP-value
Age
 19–34 years−0.0120.695−0.0110.729−0.0190.560
  ≥ 35 years. . . 
Education      
  ≤ 12 years0.1420.000**0.1110.007*0.0670.109^
  > 12 years. . . 
Incomea      
  < 2 MW0.2060.000**0.1400.007*0.0920.088^
 2 to < 5 MW0.2370.001**0.1640.000**0.1420.002*
 5 to < 10 MW0.0770.053*0.0830.040*0.0980.018*
  ≥ 10 MW. . . 
Race      
 Black and Others0.0400.2100.0490.137^0.0790.010*
 White. . . 
First Pregnancy
 Yes0.0440.1620.0630.05*0.0960.021*
 No. . . 
Private Health Insurance
 No0.1540.000**0.1910.000**0.1020.004*
 Yes. . . 
Prenatal Care Coverage
 Private0.1460.001**0.1390.001**0.0970.024*
 SUS (Public). . . 
Pregnancy Trimester at the time of the intervention
 1st or 2nd0.1000.001**0.0870.006*0.0930.026*
 3rd. . . 
  1. aMonthly Minimum Wage in 2015: R$788.00 = U$224.14
  2. bTotal varies because of missing data – Method of Listwise deletion
  3. cChange Score Variable - Continuous scale (−5 to 5)
  4. dR-square = 0.130
  5. eR-square = 0.091
  6. fR-square = 0.052
  7. *P value ≤0.05; **P value ≤0.001; ^P value ≤0.1