Prevalence of Low Birth Weight before and after Policy Change to IPTp-SP in Two Selected Hospitals in Southern Nigeria: Eleven-Year Retrospective Analyses

Table 2

Changes in LBW prevalence and risk (OR) before policy change (2000–2004) and after policy change (2005–2010).

Variables	Before policy change	After policy change
Total (BSH & GHC)
LBW
All gravidae	165 (4.7)	409 (6.3)
Primigravidae	65 (6.3)	193 (8.6)	0.031
Multigravidae	100 (4.0)	216 (5.1)	0.046
Odd
All gravidae	1.62 (1.17–2.23	1.74 (1.43–2.13	0.7075

of primigravidae having lower birth weight babies than multigravidae; : value for chi-square and -test using GraphPad software analysis of the impact of the change in policy; at .