Predictive Study of Tuberculosis Incidence by ARMA Model Combined with Air Pollution Variables

Table 8

The test results of principal component regression.

Variables	coefficient	Std. error	t-statistic	Prob
C	5.300	0.100	53.001	<0.001
PC1	−0.336	0.048	−7.058	<0.001
PC2	−0.189	0.083	−2.269	0.029
PC3	0.267	0.091	2.936	0.006
PC4	−0.615	0.113	−5.459	<0.001
PC6	0.543	0.184	2.952	0.005