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Table 1 Maternal and reproductive characteristics of adolescent mothers 12–19 and mothers 20–34 years of age

From: Comparative analysis of perinatal outcomes and birth defects amongst adolescent and older Ugandan mothers: evidence from a hospital-based surveillance database

  Total, n (%) Maternal age, n (%) p-Value
   12–19 years 20–34 years  
No. of births 100,189 (100) 11,028 (11.0) 89,161 (89.0)
No. of mothers 96,938 (100) 10,783 (11.1) 86,155 (88.9)
Maternal age     
 Median; Inter-quartile range (IQR) 25; 22–29 18; 18–19 26; 23–29
Hospitalb     
 Lubaga 6410 (6.4) 134 (1.2) 6276 (7.0) < 0.001
 Mengo 7905 (7.9) 111 (1.0) 7794 (8.7)  
 Nsambya 7531 (7.5) 99 (0.9) 7432 (8.3)  
 Mulago national referral 78,343 (78.2) 10,684 (96.9) 67,659 (75.9)  
Maternal HIV statusa     
 Positive 8167 (8.4) 480 (4.5) 7687 (8.9) < 0.001
 Negative 88,631 (91.4) 10,282 (95.3) 78,349 (91.0)  
 Unknown 140 (0.1) 21 (0.2) 119 (0.1)  
Maternal antiretroviral therapy (ART) at deliveryβ     
 Yes 7786 (95.3) 438 (91.3) 7348 (95.6) < 0.001
 No 381 (4.7) 42 (8.8) 339 (4.4)  
Maternal timing of initiation on ART     
 Before conception 4161 (53.4) 133 (30.4) 4028 (54.8) < 0.001
 After conception 3625 (46.6) 305 (69.6) 3320 (45.2)  
Mother referred from other health centera     
 Yes 44,700 (46.1) 7541 (69.9) 37,159 (43.1) < 0.001
 No 52,238 (53.9) 3242 (30.1) 48,996 (56.9)  
Maternal paritya     
 Primipara (1) 32,765 (33.8) 9023 (83.7) 23,742 (27.6) < 0.001
 Multipara (≥ 2) 64,173 (66.2) 1760 (16.3) 62,413 (72.4)  
Mode of deliveryb     
 Vaginal 68,756 (68.6) 8575 (77.8) 60,181 (67.5) < 0.001
 Caesarean section 31,433 (31.4) 2453 (22.2) 28,980 (32.5)  
Singleton/multiple deliveriesb     
 Singleton 93,548 (93.4) 10,516 (95.4) 83,032 (93.1) < 0.001
 Multiple 6641 (6.6) 512 (4.6) 6129 (6.9)  
Received antenatal care (maternal)a     
 Yes 94,734 (97.7) 10,403 (96.5) 84,331 (97.9) < 0.001
 No 2204 (2.3) 380 (3.5) 1824 (2.1)  
Timing of first antenatal care (ANC) visita, ξ     
 ANC within 1st Trimester 6446 (7.9) 580 (6.6) 5866 (8.0) < 0.001
 ANC within 2nd Trimester 36,783 (44.9) 3976 (45.3) 32,807 (44.8)  
 ANC within 3rd Trimester 38,696 (47.2) 4217 (48.1) 34,479 (47.1)  
Number of maternal antenatal visitsa     
 No ANC Visit 2204 (2.3) 380 (3.5) 1824 (2.1) < 0.001
 1–3 Visits 52,764 (54.6) 6626 (61.5) 46,138 (53.7)  
 4 + Visits 41,731 (43.2) 3761 (34.9) 37,970 (44.2)  
  1. aDenominator is the number of mothers
  2. bDenominator is the number of births
  3. βDenominator is the number of HIV positive mothers (n = 8167)
  4. Denominator is the number of HIV positive mothers on ART (n = 7786)
  5. ξ10,605 Mothers missing date of first ANC visit
  6. π239 Mothers missing the number of ANC visits