Predictors of loss to follow-up among children registered in an HIV prevention mother-to-child transmission cohort study in Pernambuco, Brazil

Table 1 Univariate analysis of predictors for lost follow-up of HIV-exposed children in IMIP, Brazil, 2000-2009

	Lost follow-up		Complete follow-up		Odds-ratio
	N	(%)	N	(%)	(CI 95%)	χ ²	p-value
Maternal age
≥ 20 years	153	(14.8%)	880	(85.2%)	1
< 20 years	30	(21.1%)	112	(78.9%)	1.54 (0.99-2.39)	3.79	0.053
Unknown	2		23
Level of education
> 8 years of study	49	(12.7%)	338	(87.3%)	1
≤ 8 years of study	132	(17.4%)	627	(82.6%)	1.45 (1.02-2.07)	4.31	0.039
Unknown	4		50
Place of residence
Capital or metropolitan region	122	(13.5%)	779	(86.5%)	1
Rural and remote areas	63	(21.1%)	236	(78.9%)	1.70 (1.22-2.39)	9.76	0.002
Use of illicit drugs
No	149	(15.2%)	833	(84.8%)	1
Yes	23	(22.8%)	78	(77.2%)	1.65 (1.00-2.71)	3.96	0.049
Unknown	13		104
Time of maternal HIV diagnosis
Before/during pregnancy	133	(14.8%)	768	(85.2%)	1
At/after delivery	48	(18.1%)	217	(81.9%)	1.28 (0.89-1.84)	1.75	0.185
Unknown	4		30
Initiation of PMTCT during pregnancy
No	78	(19.0%)	333	(81.0%)	1
Yes	104	(13.5%)	667	(86.5%)	0.67 (0.48-0.92)	6.20	0.013
Unknown	3		15
Prenatal care
No	17	(19.5%)	70	(80.5%)	1
Yes	143	(14.5%)	845	(85.5%)	0.70 (0.40-1.22)	1.62	0.203
Unknown	25		100
Prenatal care at IMIP
No	85	(17.4%)	404	(82.6%)	1
Yes	63	(12.3%)	448	(87.7%)	0.67 (0.47-0.95)	5.06	0.024
Unknown	37		163
Delivery at IMIP
No	59	(15.0%)	335	(85.0%)	1
Yes	89	(14.3%)	533	(85.7%)	0.95 (0.66-1.35)	0.08	0.769
Unknown	37		147
Year of child birth
2005-2009	121	(16.4%)	616	(83.6%)	1
2000-2004	64	(13.8%)	399	(86.2%)	0.82 (0.59-1.13)	1.47	0.226

IMIP: Instituto de Medicina Integral Professor Fernando Figueira; PMTCT: prevention of mother-to-child transmission.

ISSN: 1471-2458