Table 5.

Trends in illness concentration indices in South Africa (2002 - 2008)

	Flu/ART		Tuberculosis (TB)
	CI	Cumulative share	CI	Cumulative share
2002	0.1667*** (0.0168)	29% vs. 52%	-0.3156*** (0.0327)	57% vs. 16%
2004	0.1007*** (0.0195)	34% vs. 46%	-0.3746*** (0.0332)	66% vs. 16%
2006	0.0295** (0.0146)	39% vs. 40.3%	-0.3879*** (0.0335)	70% vs. 6%
2008	0.0455*** (0.0137)	37% vs. 44%	-0.3344*** (0.0311)	65% vs. 17%

Note: Robust standard errors in parenthesis. Concentration indices are based on Wagstaff's normalization.

Cumulative shares are represented as cumulative share of bottom 40% vs. top 40%.

***, ** significant at 1%, and 5% levels respectively