Table 4 Joinpoint analysis of newly notified student TB cases in different cities of Jilin Province.

From: Analysis of the epidemiological characteristics and influencing factors of tuberculosis among students in a large province of China, 2008–2018

 

Newly notified TB cases#

Annual percentage change (95% CI)

P value

Average annual percent change (AAPC)

P value

Province

     

 2008–2010

6.65–5.61

 − 8.8 (− 22.1 to 6.7)

0.158

 − 11.6 (− 15.1 to − 8.0)

< 0.001*

 2010–2014

5.61–2.34

 − 21.4 (− 29.6 to − 12.1)

0.006*

 2014–2018

2.34–1.99

 − 2.2 (− 10.6 to 7.0)

0.493

BC

     

 2008–2018

3.55–0.03

 − 13.4 (− 17.8 to − 8.8)

 < 0.001*

 − 13.4 (− 17.8 to − 8.8)

< 0.001*

BS

     

 2008–2018

6.71–2.12

 − 12.0 (− 14.4 to − 9.5)

 < 0.001*

 − 12.0 (− 14.4 to − 9.5)

< 0.001*

CC

     

 2008–2014

7.63–2.48

 − 18.3 (− 26.2 to − 9.6)

0.003*

 − 11.1 (− 19.0 to − 2.5)

0.013*

2014–2018

2.48–2.88

0.8 (− 21.2 to 29.1)

0.936

JL

     

 2008–2018

9.29–4.23

 − 11.6 (− 15.4 to − 7.6)

< 0.001*

 − 11.6 (− 15.4 to − 7.6)

< 0.001*

LY

     

 2008–2018

2.51–0.43

 − 12.5 (− 19.9 to − 4.4)

0.008*

 − 12.5 (− 19.9 to − 4.4)

0.008*

SP

     

 2008–2018

2.37–1.19

 − 8.7 (− 11.7 to − 5.5)

< 0.001*

 − 8.7 (− 11.7 to − 5.5)

< 0.001*

SY

     

2008–2016

8.84–0.90

 − 28.1 (− 33.0 to − 22.9)

< 0.001*

 − 14.3 (− 26.5 to − 0.1)

0.048

 2016–2018

0.90–2.07

73.2 (− 30.7 to 333.0)

0.192

TH

     

 2008–2018

6.21–1.30

 − 16.6 (− 20.6 to − 12.4)

< 0.001*

 − 16.6 (− 20.6 to − 12.4)

< 0.001*

YB

     

 2008–2018

8.00–0.02

 − 12.2 (− 15.6 to − 8.8)

< 0.001*

 − 12.2 (− 15.6 to − 8.8)

< 0.001*

Male

     

 2008–2018

7.52–2.14

 − 13.7 (− 15.7 to − 11.6)

< 0.001*

 − 13.7 (− 15.7 to − 11.6)

< 0.001*

Female

     

 2008–2010

5.74–5.19

 − 5.6 (− 30.1 to 27.3)

0.580

 − 10.8 (− 17.4 to − 3.6)

0.004*

 2010–2014

5.19–1.72

 − 25.6 (− 40.0 to − 7.6)

0.022*

 2014–2018

1.72–1.83

4.1 (− 12.4 to 23.6)

0.514

Primary school

     

 2008–2018

2.93–1.00

 − 8.4 (− 14.8 to − 1.4)

0.024*

 − 8.4 (− 14.8 to − 1.4)

0.024*

Middle school

     

 2008–2018

9.38–7.07

 − 1.9 (− 6.4 to 2.9)

0.386

 − 1.9 (− 6.4 to 2.9)

0.386

High school

     

 2008–2013

52.92–25.24

 − 14.0 (− 18.3 to − 9.4)

< 0.001*

 − 3.1 (− 6.2 to 0.2)

0.066

 2013–2018

25.24–45.52

9.3 (2.4 to 16.6)

0.016*

University

     

 2008–2018

208.89–29.14

 − 19.5 (− 22.0 to − 17.0)

< 0.001*

 − 19.5 (− 22.0 to − 17.0)

< 0.001*

Advanced educational institutions

     

 2008–2010

549.76–502.20

 − 8.5 (− 27.6 to 15.7)

0.390

 − 20.2 (− 23.8 to − 16.4)

< 0.001*

 2010–2018

502.20–69.08

 − 22.9 (− 26.1 to − 19.5)

< 0.001*

  1. #The number of newly notified TB cases (per 100 000) at the first and the last year of the indicated segment;
  2. Weight-BIC-Alt* results are adopted for Jilin Province and 9 prefecture-level cities.
  3. *Indicates that the Annual Percent Change (APC) or Average Annual Percent Change (AAPC) significantly different from zero at the alpha = 0.05 level.
Back to article page