Table 5. Hazard ratios comparing under-5 mortality and household wealth, in Rufiji and Ifakara, United Republic of Tanzania, 2000–2011.

Period	Household’s wealth quintile, HR (95% CI)
	First vs fifth	Second vs fifth	Third vs fifth	Fourth vs fifth
Ifakara
2000–2001	1.30 (1.09–1.55)	1.11 (1.01–1.22)	1.02 (0.96–1.08)	1.01 (0.96–1.06)
2002–2003	1.27 (1.11–1.44)	1.08 (1.01–1.15)	1.02 (0.97–1.06)	1.01 (0.97–1.04)
2004–2005	1.24 (1.11–1.37)	1.04 (0.99–1.10)	1.01 (0.97–1.04)	1.01 (0.98–1.04)
2006–2007	1.21 (1.08–1.35)	1.01 (0.96–1.07)	1.00 (0.96–1.04)	1.01 (0.98–1.04)
2008–2009	1.18 (1.02–1.36)	0.98 (0.91–1.05)	0.99 (0.95–1.04)	1.01 (0.97–1.04)
2010–2011	1.15 (0.95–1.39)	0.95 (0.86–1.05)	0.99 (0.93–1.05)	1.01 (0.96–1.06)
Rufiji
2000–2001	1.20 (0.99–1.47)	1.00 (0.90–1.10)	0.95 (0.89–1.01)	0.99 (0.94–1.04)
2002–2003	1.25 (1.08–1.45)	1.04 (0.96–1.12)	0.98 (0.93–1.03)	1.01 (0.97–1.05)
2004–2005	1.31 (1.16–1.48)	1.08 (1.01–1.15)	1.02 (0.98–1.06)	1.03 (1.00–1.06)
2006–2007	1.36 (1.18–1.56)	1.12 (1.05–1.20)	1.05 (1.01–1.10)	1.05 (1.01–1.08)
2008–2009	1.42 (1.18–1.70)	1.16 (1.06–1.27)	1.09 (1.03–1.16)	1.06 (1.02–1.11)
2010–2011	1.48 (1.15–1.89)	1.21 (1.07–1.36)	1.13 (1.05–1.22)	1.08 (1.02–1.15)
All
2000–2001	1.27 (1.12–1.45)	1.06 (0.99–1.13)	0.99 (0.95–1.04)	1.00 (0.97–1.03)
2002–2003	1.28 (1.16–1.41)	1.06 (1.01–1.11)	1.00 (0.97–1.04)	1.01 (0.98–1.03)
2004–2005	1.28 (1.19–1.39)	1.06 (1.01–1.10)	1.01 (0.99–1.04)	1.02 (0.99–1.04)
2006–2007	1.29 (1.18–1.40)	1.06 (1.01–1.10)	1.02 (1.00–1.05)	1.02 (1.00–1.04)
2008–2009	1.29 (1.15–1.45)	1.06 (1.00–1.12)	1.04 (1.00–1.08)	1.03 (1.00–1.06)
2010–2011	1.30 (1.12–1.51)	1.06 (0.98–1.14)	1.05 (1.00–1.10)	1.04 (1.00–1.08)

CI: confidence interval; HR: Hazard ratio.

Note: First quintile represents the poorest and the fifth quintile represents the richest.