Effects of cumulative COVID-19 cases on mental health: Evidence from multi-country survey

Table 2 Summary statistics of mental health scores by country and survey rounds

		PHQ-9		GAD-7		IES-R
		Round 1	Round 2	Round 1	Round 2	Round 1	Round 2
Arabic	Mean	7.85	6.27	5.28	4.56	20.81	17.14
	SD	6.97	6.88	5.78	5.56	18.79	19.12
	n	596	481	596	486	539	430
	Missing	525	428	525	423	582	479
Bangladesh	Mean	8.07	7.45	5.76	5.45	23.28	21.86
	SD	5.79	6.91	5.38	5.69	18.08	20.35
	n	205	462	205	485	179	419
	Missing	94	284	94	261	120	327
Canada	Mean	6.11	6.97	4.40	4.94	15.10	16.96
	SD	6.44	6.70	5.32	5.46	17.87	18.24
	n	7653	5721	7684	5770	7329	5554
	Missing	995	199	964	150	1319	366
China	Mean	4.38		3.25		11.61
	SD	4.91		4.20		13.63
	n	127		124		117
	Missing	51		54		61
India	Mean	4.99	4.07	3.46	2.43	14.65	10.24
	SD	5.56	5.34	4.38	3.31	16.49	12.00
	n	820	41	823	42	741	38
	Missing	607	27	604	26	686	30
Pakistan	Mean	8.55	8.64	5.10	5.37	19.02	19.59
	SD	7.34	7.51	5.56	5.42	17.26	19.18
	n	412	85	413	90	376	75
	Missing	391	75	390	70	427	85
United Kingdom	Mean	7.70	8.21	5.46	6.04	17.01	19.19
	SD	6.47	7.03	5.51	5.92	17.51	18.93
	n	22166	64382	22343	65056	20780	59966
	Missing	6968	19469	6791	18795	8354	23885
Ukraine	Mean	6.63	7.81	4.17	5.02	14.93	15.55
	SD	6.10	6.51	4.65	5.20	15.34	15.41
	n	860	421	863	426	782	382
	Missing	396	185	393	180	474	224
Total	Mean	7.24	8.09	5.11	5.93	16.55	18.98
	SD	6.49	7.01	5.45	5.88	17.57	18.88
	n	32839	71593	33051	72355	30843	66864
	Missing	10027	20667	9815	19905	12023	25396

PHQ-9: Patient health questionnaire-9; IES-R: Impact of Events Scale-Revised; GAD-7: Generalized anxiety disorder-7.