The impact of leisure time Internet dependence on leisure activities.

*pppaPA, physical activity; SA, social activity; MA, mental activity.bCalculations of percentages were based on total number of respondents involved in responding subcategories. Those who accessed the Internet within the past month but did not use in last week were not considered in the table (n = 111).cThe way used for coding these variables was the same with that in table 3.dNon-Internet users were coded as 1, Regular Internet Users was coded as 2, and Heavy Internet Users was coded as 3. And the reference group for “Regular Internet Users” and “Heavy Internet Users” was “Non-Internet Users”.