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Table 3 Results (equal variances assumed) of t -test for the difference of incidence rates of human Brucellosis occurrences between each subsequent and preceding year during 2006-2010

From: Human brucellosis occurrences in inner mongolia, China: a spatio-temporal distribution and ecological niche modeling approach

 

Levene’s test

t-test for equality of means

Year

F.

Sig.

t

df

Sig.(2-tailed)

Mean difference

Std. error difference

95% lower

95% upper

2007 v.s. 2006

0.113

0.737

−0.228

176

0.820

−0.159

0.699

−1.538

1.220

2008 v.s. 2007

0.851

0.358

−1.088

176

0.278

−0.722

0.664

−2.032

0.588

2009 v.s. 2008

5.090

0.025

−2.142

176

0.034

−1.189

0.555

−2.285

−0.094

2010 v.s. 2009

0.399

0.528

−0.398

176

0.691

−0.178

0.446

−1.058

0.703

2010 v.s. 2006

17.594

0.000

−3.830

176

0.000

−2.248

0.587

−3.406

−1.090