Table 1.

Descriptive statistics of all dependent and independent variables.

	n	Mean	SD	Range
Respondent level
CDN size Wave 1	2490	2.641	1.402	1–5
CDN size Wave 2	2490	2.954	1.449	1–5
Social media use Wave 1	2473	2.477	2.282	0–6
Social media use Wave 2	2473	2.919	2.367	0–6
# Stable core discussants	2490	1.303	1.016	0–5
# Lost core discussants	2490	1.651	1.322	0–5
# New core discussants	2490	1.339	1.277	0–5
Relationship level
Contact Wave 1	9008	5.321	0.878	0–6
Contact Wave 2	9008	5.253	0.940	0–6

SD: standard deviation; CDN: core discussion network.