Table 3: Hierarchical Regression Analysis Predicting Group Involvement and Leisure Activity.

Notes: Beta weights are from final regression equation with all blocks of variables in the model. Variables coded, or recoded, as follows: gender (0=female, 1=male);motivation of mobile Phone use ranged from 1 (strongly disagree) to 5 (strongly agree); General mobile phone use ranged from 1 (never) to 4 (often). Smart phone ownership (0 = no, 1 = yes).
*** p < .001; ** p < .01; * p < .05.

Independent variables Group Involvement Leisure Activity
Total Shanghai Taipei Total Shanghai Taipei
Block 1: Demographics
Gender .01 -.01 .04 -.01 -.00 .03
Age -.14*** -.21*** -.13*** -.05 .06 -.07*
Smart phone ownership -.04 -.00 -.05 -.03 .14*** -.05
Adjusted R2 2.2% 4.2% 2.2% 1.5% 6.5% 1.9%
Block 2: Media use
Television use -.12*** -.01 -.17*** .01 .01 .06
Radio use -.01 -.08* .02 .03 .05 .02
Newspaper use .04 .07 .03 .09*** .04 .08**
Internet use -.03 -.07 .01 .04 .02 .04
Incremental adjusted R2 0.9% 1.1% 1.5% 1.8% 1.2% 1.0%
Block 3: Mobile phone use
Calling .03 .04 .08* .13*** .02 ***17.
Texting -.01 -.02 -.07* .01 .10** 04.-
Incremental adjusted R2 0.2% 0.1% 0.5% 2.7% 2.3% 3.8%
Block 4: General Mobile phone use
Interactive use .04 08. -.05 -.04 .11* .02
Personal use .13*** *11. .14*** .17*** .05 .19***
Incremental adjusted R2 3.1% 5.6% 2.0% 4.7% 4.8% 6.0%
Block 5: Social network size
Social network size ***15. .22*** .11** .07** .18*** .07*
Incremental adjusted R2 2.2% 4.7% 1.2% 1.1% 3.7% 1.2%
Block 6: Motivation of mobile phone use
Entertainment/relaxation -.04 -.08 -.02 -.03 .11**
Surveillance -.02 .09 -.06 -.01 .10* .02
Social interaction .09** .06 .10** .09** .04 .03
Communication .06* .06 .05 .09** .07 .11**
Incremental adjusted R2 0.9% 1.5% 0.8% 2.6% 1.6% 2.7%
 
Total adjusted R2 9.5% 17.2% 8.2% 14.4% 20.1% 16.6%
N 1,775 675 1,100 1,776 677 1,099