A coarsened multinomial regression model for perinatal mother to child transmission of HIV

Table 4 Adjusted odds ratios at birth, 4 to 8 weeks.

Risk factor	In utero		Perinatal		Intrapartum
	OR	95% CI	OR	95% CI	OR	95% CI
Infection endpoint (612 treatment, 1084 control)
Treatment vs. control	0.691	0.469, 1.017	0.987	0.736, 1.323	1.404	0.928, 2.123
Maternal viral load (1 log10 unit)	2.552	1.895, 3.437	2.820	2.221, 3.579	2.873	2.023, 4.082
CD4 count (100 units)	1.037	0.939, 1.145	1.099	1.015, 1.190	1.172	1.033, 1.331
Female infant	0.938	0.658, 1.339	1.011	0.764, 1.338	1.101	0.733, 1.654
Mother nevirapine	0.549	0.248, 1.215
Mother and infant nevirapine			0.628	0.387, 1.019	0.562	0.262, 1.206
Infection/death endpoint (632 treatment, 1107 control)
Treatment vs. control	0.873	0.632, 1.205	1.025	0.789, 1.332	1.245	0.850, 1.825
Maternal viral load (1 log10 unit)	2.299	1.786, 2.959	2.568	2.086, 3.161	2.597	1.895, 3.558
CD4 count (100 units)	1.043	0.959, 1.135	1.098	1.024, 1.178	1.175	1.048, 1.318
Female infant	0.883	0.650, 1.201	1.066	0.829, 1.370	1.336	0.916, 1.949
Mother nevirapine	0.221	0.128, 0.381
Mother and infant nevirapine			0.452	0.302, 0.678	0.546	0.277, 1.075

ISSN: 1471-2288