Factors associated with choice of antenatal, delivery and postnatal services between HIV positive and HIV negative women in Zambia

Table 6 Atonji test. Summary of P-Values from different r-levels

Correlation level (r)	Antenatal	Birth	Postnatal
Correlation level (r)	P-Value	P-Value	P-Value
0.05	0.00	0.00	0.00
0.10	0.00	0.00	0.01
0.15	0.04	0.08	0.07
0.20	0.07	0.08	0.09
0.25	0.31	0.15	0.28

Decision key: To check for significance: see P-Value
By focusing on correlations between error terms, we can see the effect that unobservable characteristics could have on treatment and outcome (In this case being HIV positive and taking up professional care respectively). Our P-Value indicate that even when we assume a relatively high selection on the basis of unobservables (r = 0.15 in this case), the effect of HIV positive status on utilizing professional care remains highly significant. This confirms that our results are not affected by unobservables and thus they are robust

ISSN: 1471-2393