Table 7.

Multiple comparison test results.

Response variable	Explanatory variable	Group1	Group2	Mean difference	p-adj	Lower bound	Upper bound	Reject Hypothesisa
Net sentiment (positive – negative)	COVID waves	First	Second	0.005	0.0126	0.0011	0.009	True
	Brand	Grubhub	Swiggy	−0.0048	0.5232	−0.014	0.0043	False
		Grubhub	Ubereats	−0.0223	0.001	−0.0315	−0.0132	True
		Grubhub	Zomato	−0.0125	0.0036	−0.0219	−0.0031	True
		Swiggy	Ubereats	−0.0175	0.001	−0.0222	−0.0128	True
		Swiggy	Zomato	−0.0076	0.001	−0.0127	−0.0025	True
		Ubereats	Zomato	0.0099	0.001	0.0047	0.015	True
	Market size	High	Low	0.0175	0.001	0.0132	0.0218	True
		High	Medium	0.012	0.001	0.0075	0.0165	True
		Low	Medium	−0.0055	0.0098	−0.0099	−0.0011	True
	Country	India	USA	−0.0113	0.001	−0.0144	−0.0082	True
	Listed	No	Yes	0.003	0.0663	−0.0002	0.0063	False
Negative	COVID waves	First	Second	0.0065	0.001	0.0041	0.0089	True
	Brand	Grubhub	Swiggy	−0.0066	0.0118	−0.0121	−0.0011	True
		Grubhub	Ubereats	−0.0039	0.268	−0.0094	0.0016	False
		Grubhub	Zomato	−0.002	0.7771	−0.0076	0.0037	False
		Swiggy	Ubereats	0.0027	0.0737	−0.0002	0.0055	False
		Swiggy	Zomato	0.0046	0.001	0.0015	0.0076	True
		Ubereats	Zomato	0.0019	0.3891	−0.0012	0.005	False
	Market size	High	Low	−0.0027	0.0413	−0.0052	−0.0001	True
		High	Medium	0.0022	0.1212	−0.0004	0.0049	False
		Low	Medium	0.0049	0.001	0.0023	0.0076	True
	Country	India	USA	0.0013	0.1734	−0.0006	0.0031	False
	Listed	No	Yes	0.0036	0.001	0.0017	0.0056	True

^aRepresents difference in Group 1 and Group 2.