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Table 2 Bivariate correlations of home-environmental and psychosocial factors with sedentary behaviors

From: Socio-demographic, psychosocial and home-environmental attributes associated with adults' domestic screen time

Variable r TV viewing r Internet use
Home-environmental factors (mean [SD])   
   Number of TVs 0.15***  
   Size of largest TV seta 0.13**  
   Number of computers   0.18***
Psychosocial factors (mean [SD])   
   Pros reducing TV viewing (sum of different items)b -0.31***  
I think watching TV is boring -0.29***  
Watching TV takes time away from doing other more important things -0.13**  
I would feel lazy and sluggish if I watched TV for many hours -0.35***  
Watching TV sometimes hurts my eyes and gives me a headache 0.02  
   Cons reducing TV viewing (sum of different items)b 0.47***  
I enjoy watching TV for many hours at a time 0.54***  
Watching TV is my way to escape from the world 0.22***  
Watching TV is one of my favorite types of entertainment 0.36***  
I find sitting and watching TV very relaxing 0.30***  
   Family social norm TV viewingb   
My family members think I spend too much time watching TV 0.34***  
   Friends social norm TV viewingb   
My friends think I spend too much time watching TV 0.35***  
   Self-efficacy reducing TV viewing (sum of different items)c -0.49***  
Turn off the TV even when there is a program on I enjoy -0.24**  
Limit my TV time to one hour a day -0.65***  
Leave the room where the TV is on even if others are watching TV -0.28**  
Plan ahead of time what TV shows I will watch during the week -0.25**  
   Pros reducing Internet use (sum of different items)b   -0.16**
I think using the Internet is boring   -0.39***
Using the Internet takes time away from doing other more important things   0.09
I would feel lazy and sluggish if I used the Internet for many hours   -0.19***
Using the Internet sometimes hurts my eyes and gives me a headache   -0.13*
   Cons reducing Internet use (sum of different items)b   -0.31***
I enjoy using the Internet for many hours at a time   0.51***
The Internet is my way to escape from the world   0.30***
Using the Internet is one of my favorite forms of entertainment   0.49***
I find sitting and using Internet very relaxing   0.43***
   Family social norm Internet useb   
My family members think that I spend too much time using the Internet   0.40***
   Friends social norm Internet useb   
My friends think that I spend too much time using the Internet   0.26***
   Self-efficacy reducing Internet use (sum of different items)c   -0.47***
Turn off the computer even when I am doing something funny   -0.30***
Limit my leisure-time Internet use to one hour a day   -0.54***
Plan ahead of time how much time I will spend on leisure-time Internet use daily   -0.51***
  1. a Size of the largest TV was positively scored on a five-point scale (1-5), ranging from 39 cm to 139 cm
  2. b pros, cons, family social norm and friends social norm were positively scores on a five-point scale (1-5), ranging from 'strongly disagree' to 'strongly agree'
  3. c self-efficacy was positively scored on a five-point scale (1-5), ranging from 'I think this is very difficult' to 'I do not think this is difficult at all'
  4. r = Pearson correlation coefficient
  5. *p < 0.05; **p < 0.01; ***p < 0.001