Table 2.

Analysis of interview contents.

Component dimension	Initial scale items
Social connection (SC)	Local social media (e.g., TikTok/WeChat/MicroBlog) has a special connection with me
	Local social media (e.g., TikTok/WeChat/MicroBlog) has become a part of my life
	Local social media (e.g., TikTok/WeChat/MicroBlog) works for self-presentation or emotional expression
	As a user of local social media (e.g., TikTok/WeChat/MicroBlog), I feel like part of its family.
	The use of local social media (e.g., TikTok/WeChat/MicroBlog) has brought me joy and happiness.
	Local social media (e.g., TikTok/WeChat/MicroBlog) has become a part of my work.
Social identity (SI)	Local social media (e.g., TikTok/WeChat/MicroBlog) means a lot to me.
	I really like local social media (e.g., TikTok/WeChat/MicroBlog).
	I strongly identify with local social media (e.g., TikTok/WeChat/MicroBlog).
	Local social media (e.g., TikTok/WeChat/MicroBlog) reflects my personality and style.
	I have no commitment to local social media (e.g., TikTok/WeChat/MicroBlog).
	I am immersed in local social media (e.g., TikTok/WeChat/MicroBlog).
	I have an obsession with local social media (e.g., TikTok/WeChat/MicroBlog).
Social dependence (SD)	I prefer this social media to similar social media (e.g., TikTok/WeChat/MicroBlog).
	I get more satisfaction from local social media (e.g., TikTok/WeChat/MicroBlog).
	Using local social media (e.g., TikTok/WeChat/MicroBlog) is more important than other (any) social media.
	There is no substitute for local social media (e.g., TikTok/WeChat/MicroBlog) compared to other (any) social media.
	TikTok/WeChat/MicroBlog are my favorite local social media.
	TikTok/WeChat/MicroBlog are the local social media I rely on the most.
	I would spend more time on local social media (e.g., TikTok/WeChat/MicroBlog) if I could.