Table 1.

Description of measurement constructs and items.

Constructs	Items	Observed variables	Source
CSR engagement	CSR1	During the pandemic COVID-19, DiDi is committed to donation activities.	Martínez and Rodríguez del Bosque, 2013
	CSR2	During the pandemic COVID-19, DiDi uses part of its budget to assist the community in which it operates.
	CSR3	During the pandemic COVID-19, DiDi is an environmentally responsible corporate.
Customer-company identification	CCI1	When someone praises DiDi, it feels like a personal compliment.	Mael and Ashforth, 1992
	CCI2	When someone criticizes DiDi, it feels like a personal insult.
	CCI3	I'm very interested in what others think about DiDi.
	CCI4	When I talk about DiDi, I usually say “we” rather than “they.”
Brand loyalty	BL1	I prefer to use DiDi as my first choice as compared to other car-hailing apps.	Zeithaml et al., 1996
	BL2	I will consider DiDi as my main car-hailing app in the next few years.
	BL3	It would be costly of time and money to end my relationship with DiDi.
Purchase intention	PI1	I will consider using DiDi the next time I need car-hailing service.	Kang and Hustvedt, 2014
	PI2	I will use DiDi the next time I need car-hailing service.
E word-of-mouth	eWOM1	I am willing to sat positive things of DiDi in social media.	Chu and Chen, 2019
	eWOM2	I will recommend DiDi to my friends and relatives in social media.
	eWOM3	If my friends are looking for car-hailing service, I will encourage them to be a customers of DiDi.