Skip to main content

Table 1 The demographic characteristics of students in the study, 2017–2019

From: Prevalence trends of hypertension among 9–17 aged children and adolescents in Yunnan, 2017–2019: a serial cross-sectional surveillance survey

Index

2017

2018

2019

χ2

P

All

7824

8163

8892

  

Gender

   

8.825

0.012

 Boy

3697

3989

4405

  

 girl

4122

4172

4487

  

Age

   

28.056

0.000

 9–11

2292

2510

2939

  

 12–14

2828

2904

3068

  

 15–17

2699

2747

2885

  

Prefecture

   

9.932

0.042

 Kunming

2529

2680

2963

  

 Honghe

2763

2784

2937

  

 Pu’er

2527

2697

2992

  

Area

   

0.502

0.778

 urban

4519

4690

5091

  

 rural

3300

3471

3801