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Table 5 Variables associated with higher participant experience score

From: Maternal participant experience in a South African birth cohort study enrolling healthy pregnant women and their infants

   Unadjusted association   Adjusted association  
Variable Median total score (IQR) Regression coefficient 95 % CI P-value Regression coefficient 95 % CI P-value
Clinic        
 Mbekweni 47 (42–51) Reference      
 TC Newman 55 (50–58) 7.0 (6.0–8.1) <0.001 - - -
Highest level of education        
 Some secondary 50 (43–55) Reference    Reference   
 Completed secondary 52 (48–56) 3.1 (1.8–4.3) <0.001 0.8 (-0.7-2.3) 0.269
Current employment status        
 Unemployed 50 (45–55) Reference    Reference   
 Employed 52 (47–57) 2.3 (0.8–3.7) 0.002 0.7 (-0.8-2.1) 0.361
Composite SES quartile        
 Lowest SES 48 (39–53) Reference    Reference   
 Low-moderate SES 50 (44–54) 2.5 (0.7–4.2) 0.005 1.4 (–0.2–3.0) 0.079
 Moderate-high SES 51.5 (48–55) 3.9 (2.2–5.6) <0.001 2.3 (0.6–4.0) 0.007
 High SES 52 (48–58) 5.3 (3.6–6.9) <0.001 2.8 (0.7–4.8) 0.009
Prior participation in research        
 No prior participation in research 51 (47–56) Reference    Reference   
 Prior participation in research 45 (38–51) -6.1 (-7.6 – -4.6) <0.001 -5.1 (-6.6 – -3.7) <0.001
Stressful events experienced        
 Below threshold 50 (44–55) Reference    Reference   
 Above threshold1 53 (49–57) 3.0 (1.6–4.4) <0.001 2.3 (1.1–3.6) <0.001
Cohort        
 Main cohort 54 (49–57) Reference    Reference   
 Intensive biweekly cohort 50 (44–54) -4.6 (-6.0 – -3.2) <0.001 -3.0 (-4.3 – -1.7) <0.001
  1. 1Above threshold' defined as maternal report of havingexperienced 3 or more traumatic events