Table 4. Summary statistics of political factors among NetSense and NetHealth study participants.

		Wave 1	Wave 2	Wave 3	Wave 4
NetSense	Frequency of discussing politics with friends
	Not at all	6%	10%	5%	13%
	Less than 1~2 times a month	19%	25%	20%	25%
	1~2 times a month	30%	30%	30%	31%
	1~2 time a week	32%	26%	36%	25%
	Three times a week or more	13%	9%	9%	6%
	Candidates voted in presidential election 2012
	Mitt Romney				40%
	Barack Obama				47%
	Other candidates				13%
	n	196	178	174	151
NetHealth	Frequency of discussing politics with friends
	Not at all	6%	1%	6%	7%
	Less than 1~2 times a month	14%	11%	7%	12%
	1~2 times a month	30%	22%	18%	29%
	1~2 time a week	31%	34%	39%	34%
	Three times a week or more	19%	32%	30%	18%
	Partisanship
	Republican	36%	32%	35%	29%
	Democrat	23%	27%	30%	32%
	Independent	41%	41%	35%	39%
	n	483	440	401	386