Table 2 Crude mean utility indexes among participants according to baseline characteristics and vaccination status.

From: Association between BNT162b2 vaccination and health-related quality of life up to 18 months post-SARS-CoV-2 infection in Israel

Variables		Overall (vaccinated + unvaccinated at infection)			Stratified by number of vaccine doses received				Standardized mean difference (Cohen’s d) between those vaccinated at the time of infection (2 + doses) and those not (0 and 1 dose)
Variables		n	Mean	SD	Covid vaccine doses	n	Mean	SD
Overall		951	0.8	0.29	0-Doses	243	0.76	0.33	0.2
					1-Dose	231	0.78	0.31
					2-Doses	227	0.82	0.26
					3-Doses	250	0.83	0.25
Age	18–40	387	0.84	0.25	0-Doses	111	0.81	0.29	0.03
					1-Dose	106	0.85	0.18
					2-Doses	74	0.86	0.22
					3-Doses	96	0.82	0.26
	41–60	386	0.77	0.31	0-Doses	87	0.744	0.34	0.24
					1-Dose	100	0.73	0.37
					2-Doses	100	0.77	0.3
					3-Doses	99	0.83	0.24
	> 60	178	0.78	0.33	0-Doses	45	0.67	0.43	0.41
					1-Dose	25	0.69	0.42
					2-Doses	53	0.85	0.22
					3-Doses	55	0.84	0.24
Sex	Female	616	0.79	0.28	0-Doses	151	0.76	0.32	0.18
					1-Dose	148	0.77	0.29
					2-Doses	145	0.80	0.28
					3-Doses	172	0.83	0.23
	Male	322	0.81	0.31	0-Doses	88	0.76	0.38	0.26
					1-Dose	80	0.79	0.34
					2-Doses	78	0.86	0.22
					3-Doses	76	0.83	0.27
Ethnicity	Jewish	515	0.81	0.28	0-Doses	132	0.76	0.36	0.12
					1-Dose	97	0.84	0.25
					2-Doses	137	0.81	0.26
					3-Doses	149	0.84	0.22
	Others	247	0.75	0.33	0-Doses	70	0.75	0.33	0.26
					1-Dose	90	0.69	0.37
					2-Doses	41	0.84	0.23
					3-Doses	46	0.74	0.32
Post Covid symptoms	Asymptomatic	379	0.92	0.20	0-Doses	92	0.93	0.17	− 0.06
					1-Dose	84	0.92	0.21
					2-Doses	100	0.91	0.21
					3-Doses	103	0.92	0.18
	Symptomatic	572	0.72	0.32	0-Doses	151	0.66	0.38	0.28
					1-Dose	147	0.70	0.33
					2-Doses	127	0.74	0.27
					3-Doses	147	0.77	0.27
Months since SARS-CoV-2 testing	3 to 6 months	443	0.82	0.26	0-Doses	105	0.78	0.32	0.35
					1-Dose	13	0.63	0.27
					2-Doses	108	0.84	0.24
					3-Doses	217	0.85	0.24
	7 to 12 months	234	0.80	0.28	0-Doses	83	0.76	0.35	0.07
					1-Dose	89	0.84	0.26
					2-Doses	48	0.83	0.20
					3-Doses	14	0.76	0.24
	> 12 months	274	0.76	0.34	0-Doses	55	0.74	0.37	0.02
					1-Dose	129	0.76	0.34
					2-Dose	71	0.77	0.32
					3-Doses	19	0.73	0.35

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