Table 1. Smear-positive notification rate as a function of GDP, HIV, and DOTS programme variables, 1995–2005.

		All countries		Excluding countries with electronic reporting
		Model 1	Model 2	Model 1	Model 2
GDP per head,	Coefficient	0.008	0.006	0.005	−0.004
USD thousands	SE	0.008	0.013	0.008	0.010
HIV seroprevalence	Coefficient	0.45	1.40	0.40	2.63
(five-year lag)	SE	0.52	0.53	1.01	1.11
DOTS population coverage fraction	Coefficient	0.05	-	0.04	-
	SE	0.05		0.05
DOTS treatment success fraction	Coefficient	-	0.04	-	0.02
	SE		0.12		0.13
Lag of SSNR	Coefficient	0.56	0.49	0.55	0.47
(one year)	SE	0.05	0.05	0.05	0.04
Constant	Coefficient	0.69	1.14	0.82	1.23
	SE	0.27	0.14	0.28	0.35
Observations (country-years)		1128	887	1024	792
R2		0.95	0.96	0.95	0.95

Coefficients significant at the 0.05 level are in bold. All standard errors are clustered by country.

^*Excluded: Botswana, China, India, Indonesia, Korea, Lesotho, Namibia, Nepal, Philippines, S Africa

(Independent programme variable: Model 1—DOTS population coverage, Model 2—DOTS treatment success rate)