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Table 2 Median daily hours for screen time, home work and extracurricular reading, writing and drawing among Chinese youth by sex and age from 1997 to 2006§

From: Temporal trends and recent correlates in sedentary behaviours in Chinese children

  Urban Rural
  1997 2000 2004 2006 1997 2000 2004 2006
Screen time (hrs/d)         
   Boys aged 6-12 yrs*** 0.9 0.6 1.3 1.3 0.7 0.7 1.3 1.7
   Boys aged 13-18 yrs*** 0.5 0.5 1.4 1.7 0.4 0.4 1.0 1.3
   Girls aged 6-12 yrs*** 0.9 0.6 1.3 1.2 0.7 0.7 1.3 1.6
   Girls aged 13-18 yrs*** 0.5 0.5 1.2 1.3 0.3 0.4 1.0 1.1
Homework (hrs/d)         
   Boys aged 6-12 yrs - 0.6** 1.0 0.9 - 0.6*** 1.0 1.0
   Boys aged 13-18 yrs*** - 0.7 1.5 1.7 - 0.8 1.0 1.2
   Girls aged 6-12 yrs*** - 0.7 1.2 1.2 - 0.6 1.0 1.0
   Girls aged 13-18 yrs*** - 0.9 1.6 1.9 - 0.9 1.5 1.3
Extracurricular reading, writing and drawing    -   
   Boys aged 6-12 yrs - 0.1*** 0.4 0.5 - 0.1** 0.2 0.3
   Boys aged 13-18 yrs*** - 0.1 0.5 0.4 - 0.1 0.4 0.4
   Girls aged 6-12 yrs - 0.3* 0.5 0.5 - 0.1 0.0 0.3
   Girls aged 13-18 yrs*** - 0.2 0.5 0.5 - 0.1 0.6 0.5
  1. § The NPAR1WAY Procedure was used to examine the difference between survey years.
  2. Screen time denotes time on watching TV, videotapes in 1997 and 2000, and on TV, videotapes, VCDs, DVDs, video games, computer usage in 2004 and 2006.
  3. *P < 0.01. **P < 0.001. ***P < 0.0001.