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Table 1 Demographic, behavioral, and health profile of mothers of HIV-exposed children who were lost to follow-up notified to SINAN, in Porto Alegre, according to the outcome lost to follow-up, 2000 – 2017

From: Factors associated with loss to follow up among HIV-exposed children: a historical cohort study from 2000 to 2017, in Porto Alegre, Brazil

   Lost to follow-up  
Characteristics Total (%)a Yes (%)a No (%)a p valueb
6,836 1,763 (25.8) 5,073 (74.2)
Age range      < 0.001
  Up to 22 1,952 (28,6) 574 (29.4)1 1,378 (70.6)  
  23—26 1,549 (22.7) 409 (26.4) 1140 (73.6)  
  27—31 1,691 (24.8) 398 (23.5) 1293 (76.5)  
  32 or more 1,640 (24) 383 (23.3) 1258 (76.7)  
Race/Color     0.001
  White 3,798 (57.4) 917 (24.1) 2,881 (75.9)  
  Black or mixed 2,821 (42.6) 782 (27.7)2 2,039 (72.3)  
Schooling      < 0.001
  Up to three years 858 (13.9) 286 (33.3)3 572 (66.7)  
  Between four and seven years 3,062 (49.7) 796 (26) 2,266 (74)  
  Eight years or more 2,244 (36.4) 511 (22.8) 1,733 (77.2)  
Partner with HIV     0.149
  Yes 3,148 (73.3) 790 (25.1) 2,358 (74.9)  
  No 1,148 (26.7) 263 (22.9) 885 (77.1)  
Intravenous drug use     0.003
  Yes 500 (8.4) 154 (30.8)4 346 (69.2)  
  No 5,486 (91.6) 1,347 (24.6) 4,139 (75.4)  
HIV diagnosis      < 0.001
  During prenatal care or at delivery 4,045 (72) 970 (24) 3.075 (76)  
  Before prenatal care 1,575 (28) 546 (34.7)5 1,029 (65.3)  
  1. aTotals may differ due to the possibility of lack of response
  2. bProportion homogeneity test based on Fischer’s Test or Pearson’s chi-square statistic
  3. 1Standardized residual (= 3.1). 2Standardized residual (= 2.2). 3Standardized residual (= 4.3). 4Standardized residual (= 2.6). 5Standardized residual (= 5.9)