. 2020 Sep 24;15(9):e0239646. doi: 10.1371/journal.pone.0239646

Table 1. Relationship of demographic characteristics with Knowledge and fear.

Characteristics		Number of participants, n (%)	Knowledge mean± SD	t/Chi	p-value (2tailed)	Fear Score mean± SD	t/Chi	p-value (2tailed)
Gender	Male	1166 (54.1%)	8.75± 1.58	1.159 ^a	.247	18.07± 4.94 19.07± 5.04	-4.647 ^a	.001^**
Gender	Female	991 (45.9%)	8.66± 1.70	1.159 ^a	.247	18.07± 4.94 19.07± 5.04	-4.647 ^a	.001^**
Age	13–20 years	440 (20.4)	8.59± 1.9	103.764 ^b	.071	18.45± 5.15 18.26± 4.99 18.74± 5.35 18.60± 4.79 18.89± 4.58 19.00± 4.89 19.44± 4.96 20.00± 4.35	192.155 ^b	.422
	21–30 years	713 (33.1)	8.81± 1.54
	31–40 years	355 (16.5)	8.55± 1.74
	41–50 years	327 (15.2)	8.80± 1.47
	51–60 years	226 (10.5)	8.88± 1.29
	61–70 years	75 (3.5)	8.33± 1.83
	71–80 years	18 (.8)	8.44± 1.79
	80–90 years	3 (.1)	8.67± 1.52
Education	Illiterate	58 (2.7)	8.83± 2.0 8.17± 2.13 8.54± 1.85 8.79± 1.63 8.86± 1.31 8.82± 1.21	140.943 ^b	.0001^***	19.81± 3.69 18.68± 5.22 19.15± 5.25 18.51± 4.88 18.14± 4.84 17.99± 5.39	267.282 ^b	.001^**
	primary education	183 (8.5)
	Secondary school	423 (19.6)
	Higher secondary	696 (32.3
	Graduation	596 (27.6)
	Post-graduation	201 (9.3)
Geography	Barisal	203 (9.2)	8.88± 1.16 9.17± 1.24 8.51± 2.09 8.90± 1.24 8.46± 1.62 8.56± 1.45 8.97± 1.68 8.46± 1.64	472.435 ^b	.0001^***	18.75± 5.39 18.79± 4.37 19.15± 5.02 18.42± 4.50 18.96± 4.72 18.39± 4.75 17.10± 5.59 16.51± 6.28	1355.41 ^b	.0001^***
	Chittagong	334 (15.2)
	Dhaka	499 (23)
	Mymensingh	103 (6)
	Khulna	302 (14)
	Rajshahi	408 (18.7)
	Rangpur	207 (9.4)
	Sylhet	101 (4.5)
Public service	Public Servant	150 (7)	8.93± 1.52 8.69± 1.65	1.738 ^a	.082	17.68± 4.97 18.60± 5.01	-2.16 ^a	.031 ^*
Public service	Non-public servant	2007 (93)	8.93± 1.52 8.69± 1.65	1.738 ^a	.082	17.68± 4.97 18.60± 5.01	-2.16 ^a	.031 ^*
Healthcare profession	Healthcare provider	87 (4)	8.99± 1.05 8.70± 1.65	1.623 ^a	.105	18.62± 4.36 18.53± 5.03	.168 ^a	.867
Healthcare profession	Non-Healthcare	2070 (96)	8.99± 1.05 8.70± 1.65	1.623 ^a	.105	18.62± 4.36 18.53± 5.03	.168 ^a	.867
Business or work in a crowd	Yes	294 (13.4)	8.80± 1.46 8.70± 1.67	.968 ^a	.333	17.91± 4.85 18.63± 5.03	-2.29 ^a	.022 ^*
Business or work in a crowd	No	1863 (86.4)	8.80± 1.46 8.70± 1.67	.968 ^a	.333	17.91± 4.85 18.63± 5.03	-2.29 ^a	.022 ^*
Study	Students	930 (43.1)	8.83± 1.53 8.62± 1.71	2.905 ^a	.004^**	18.46± 5.11 18.59± 4.93	-.607 ^a	.544
Study	Non-students	1227 (56.9)	8.83± 1.53 8.62± 1.71	2.905 ^a	.004^**	18.46± 5.11 18.59± 4.93	-.607 ^a	.544
Diagnosed COVID 19 in community	Yes	166 (7.7)	8.80± 2.02 8.70± 1.60	.704 ^a	.093	18.29± 5.75 18.55± 4.94	-.650 ^a	.516
Diagnosed COVID 19 in community	No	1991 (92.3)	8.80± 2.02 8.70± 1.60	.704 ^a	.093	18.29± 5.75 18.55± 4.94	-.650 ^a	.516
COVID Symptoms (last 14 days)	Yes	619 (28.7)	9.04± 1.20 8.58± 1.78	5.9 ^a	.0001^***	18.73± 4.6 18.45± 5.1	1.1.4 ^a	.002^**
COVID Symptoms (last 14 days)	No	1536 (71.3)	9.04± 1.20 8.58± 1.78	5.9 ^a	.0001^***	18.73± 4.6 18.45± 5.1	1.1.4 ^a	.002^**
Co-morbidity present	Yes	463 (21.4)	9.03± 1.26 8.62± 1.72	4.8 ^a	.0001^***	18.27± 4.8 18.61± 5.04	-1.2 ^a	.229
Co-morbidity present	No	1692 (78.6)	9.03± 1.26 8.62± 1.72	4.8 ^a	.0001^***	18.27± 4.8 18.61± 5.04	-1.2 ^a	.229

^aIndependent t test

^b Chi-square test

* Significant with p < .05

** Significant with p < .005

*** Significant with p < .001