Evaluation of a quality improvement intervention to prevent mother-to-child transmission of HIV (PMTCT) at Zambia defence force facilities

Table 3 PMTCT performance: results of bivariate and multivariate analyses of percentage of verification criteria achieved during ANC consultations, by data collection round and study condition

	Bivariate analysis				Multivariate analysis ^a
	% achieved at:		Change from baseline to endline within group		Adjusted p-value for change within group	p-value for interaction
PMTCT performance standard and study condition	Baseline (n=191)	Endline (n=196)	% points	p-value
PMTCT supplies and equipment
Comparison	67.8	62.8	-5.0	0.044	0.705	0.460
Intervention	76.8	85.0	+8.2	0.001	0.366
HIV counseling and testing
During initial visits to ANC clinic
Comparison	88.5	77.1	-11.4	0.030	0.442	0.353
Intervention	75.8	87.1	+11.3	0.021	0.571
During return visits to ANC clinic
Comparison	20.6	35.4	+14.8	0.049	0.084	0.331
Intervention	12.5	48.3	+35.8	0.001	0.034	0.331
HIV/AIDS management in pregnancy
During visits that do not include an HIV test
Comparison	3.2	21.6	+18.4	0.001	0.010	0.436
Intervention	0.7	34.1	+33.4	0.001	0.004
During visits that include an HIV test
Comparison	88.1	78.6	-9.5	0.040	0.288	0.385
Intervention	81.3	87.1	+5.8	0.083	0.745
Family planning counseling
Comparison	13.5	17.0	+3.5	0.418	0.687	0.477
Intervention	33.6	75.2	+41.6	0.001	0.026
Overall PMTCT score
Comparison	51.7	52.2	+0.5	0.875	0.961	0.241
Intervention	57.3	73.0	+15.7	0.001	0.003

^a Results from generalized linear regression with Poisson distribution adjusted for ZDF branch.

ISSN: 1472-6963