Table 3.

Augmented Dickey Fuller Unit root test

CEMAC	Augmented Dickey Fuller test				Decision
	Level		First Difference
	Trend & inter	Probability	Trend & inter	Probability
GDP per capita	11.1034	0.5201	30.7002	0.0022	I(1)
Health expenditure per capita	3.76014	0.9874	26.3409	0.0096	I(1)
Household final consumption expenditure per capita (constant 2010 US$)	7.45014	0.8265	50.1558	0.0000	I(1)
Labour force, total	16.3967	0.1737	32.0656	0.0014	I(1)
Life expectancy at birth, total (years)	3.34533	0.4564	92.7717	0.0000	I(1)
Trade (% of GDP)	5.45676	0.4567	34.4610	0.0002	I(1)
Other african countries (>15% GGE)
GDP per capita	10.9147	0.3642	40.3050	0.0000	I(1)
Health expenditure per capita	9.44517	0.4904	35.7159	0.0001	I(1)
Household final consumption expenditure per capita (constant 2010 US$)	4.52449	0.9206	28.1659	0.0017	I(1)
Labour force, total	6.89184	0.7356	16.7841	0.0793	I(1)
Life expectancy at birth, total (years)	5.78906	0.6789	76.0157	0.0000	I(0)
Trade (% of GDP)	16.0930	0.0970	42.7828	0.0000	I(1)

Source: Computed by author