. 2008 Jul 30;8:264. doi: 10.1186/1471-2458-8-264

Table 2.

Polynomial regression model of the deseasonalized monthly proportions (per 100,000) of pulmonary tuberculosis cases among migrants at entry screening in Kuwait, 1997–2006.

Linear and quadratic terms	Un-standardized partial regression coefficients		t-statistic	p

	Estimate	SE
Time ( ${\hat{β}}_{1}$ )	-10.657	0.294	36.25	< 0.001
Time²( ${\hat{β}}_{2}$ )	0.070	0.002	29.78	< 0.001
Constant ( ${\hat{β}}_{0}$ )	524.684	7.853

SE = standard error

Coefficient of determination (R²) = 0.948

F-statistic for overall significance of the model = 961; P < 0.001