Skip to main content

Table 1 Baseline sociodemographic characteristics

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

Variable Mbekweni – n (%) TC Newman – n (%) Total sample – n (%) P-value
Number of mothers 300 (51) 285 (49) 585 (100)  
Cohort     
 Main 1 (0) 141 (49) 142 (24) <0.001
 Intensive 299 (100) 144 (51) 443 (76)  
Race     
 Black 298 (99) 3 (1) 301 (51) <0.001
 Mixed race 2 (1) 282 (99) 284 (49)  
Median age at enrolment (IQR) 27.4 (22.6–32.1) 25.5 (22.1–30.1) 26.6 (22.4–31.3) 0.006
Marital status     
 Married/cohabiting 104 (35) 117 (41) 221 (38) 0.111
Gravidity     
 Primigravida 87 (29) 112 (39) 199 (34) 0.009
Highest level of education     
 Some secondary 197 (66) 175 (61) 372 (64) 0.284
 Completed secondary 103 (34) 110 (39) 213 (36)  
Current employment status     
 Employed 58 (19) 80 (28) 138 (24) 0.013
Average household income     
  < R1000/month 153 (51) 107 (38) 260 (44)  
 R1000-R5000/month 120 (40) 133 (47) 253 (43) 0.002
  > R5000/month 27 (9) 45 (16) 72 (12)  
Composite SES quartile     
 Lowest SES 94 (31) 47 (16) 141 (24)  
 Low-moderate SES 81 (27) 51 (18) 132 (23) <0.001
 Moderate-high SES 63 (21) 89 (31) 152 (26)  
 High SES 62 (21) 98 (34) 160 (27)  
Prior participation in research 71 (24) 34 (12) 105 (18) <0.001