Table 6. Rate ratios (RRs) and Rate differences (RDs) with corresponding 95% Confidence intervals (CIs) for associations between subsidy introduction and neonatal mortality over time in Burkina Faso.

Time since subsidy introduction (months)	Primary analysis (Subsidy introduction: 1 January 2007)		Sensitivity analysis 1 (Subsidy introduction: 1 April 2007)		Sensitivity analysis 2 (Births between 1 January and 31 March 2007 deleted)
	RR (95% CI)	RD (95% CI)	RR (95% CI)	RD (95% CI)	RR (95% CI)	RD ((95% CI)
0	0.93 (0.61–1.44)	-0.2%(-1.6 to 1.2%)	0.88 (0.56–1.38)	-0.4%(-1.8 to 1.0%)	0.87 (0.55–1.39)	-0.4%(-1.9 to 1.0%)
6	0.90 (0.61–1.33)	-0.3%(-1.6 to 0.9%)	0.85 (0.57–1.27)	-0.5%(-1.7 to 0.7%)	0.85 (0.56–1.28)	-0.5%(-1.8 to 0.8%)
12	0.86 (0.60–1.24)	-0.4%(-1.6 to 0.7%)	0.83 (0.58–1.18)	-0.6%(-1.7 to 0.5%)	0.82 (0.57–1.19)	-0.6%(-1.7 to 0.6%)
18	0.83 (0.60–1.16)	-0.5%(-1.6 to 0.5%)	0.80 (0.58–1.10)	-0.6%(-1.6 to 0.4%)	0.80 (0.57–1.12)	-0.6%(-1.7 to 0.4%)
24	0.80 (0.58–1.11)	-0.6%(-1.7 to 0.4%)	0.78 (0.57–1.05)	-0.7%(-1.7 to 0.3%)	0.78 (0.57–1.07)	-0.7%(-1.7 to 0.3%)
30	0.77 (0.56–1.07)	-0.7%(-1.8 to 0.3%)	0.76 (0.56–1.03)	-0.8%(-1.8 to 0.2%)	0.75 (0.55–1.04)	-0.8%(-1.8 to 0.3%)
36	0.74 (0.53–1.04)	-0.8%(-1.9 to 0.3%)	0.73 (0.53–1.02)	-0.8%(-1.9 to 0.2%)	0.73 (0.53–1.02)	-0.8%(-1.9 to 0.2%)
42	0.71 (0.49–1.03)	-0.9%(-2.0 to 0.3%)	0.71 (0.49–1.03)	-0.9%(-2.0 to 0.2%)	0.71 (0.49–1.03)	-0.9%(-2.0 to 0.2%)