Effect Analysis of “Four-Step” Training and Assessment Tool in the Prevention and Control of COVID-19

Figures & data

Figure 1 “Four step” training and assessment mode flow of all staff.

Table 1 Infection Prevention and Control Training Assessment Participants

Classification	Stage 1		Stage 4		χ^2	P-value
	Quantity	Proportion (%)	Quantity	Proportion (%)
Gender					0.655	0.418
Male	1028	19.31	1111	20.86
Female	4297	80.69	4466	83.87
Age (years)					7.034	0.071
<30	2373	44.56	2366	44.43
30~	1959	36.79	2078	39.02
40~	598	11.23	674	12.66
50~	395	7.42	459	8.62
Physicians	1388	26.07	1351	25.37	2.723	0.099
Residents	484	34.87	334	24.72	43.693	<0.001
Attending Physician	368	26.51	408	30.2
Associate Chief Physician	285	20.53	321	23.76
Chief Physician	211	15.2	267	19.76
Other	40	2.88	21	1.55
Nursing staff	3232	60.69	3369	63.27	0.093	0.76
Nurse	2075	64.2	2187	64.92	1.637	0.802
Supervising Nurse	852	26.36	867	25.73
Associate Chief Nurse	182	5.63	189	5.61
Chief Nurse	49	1.52	59	1.75
Other	74	2.29	67	1.99
Medical Technicians	536	10.07	597	11.21	1.194	0.274
Technician	257	47.95	277	46.4	0.608	0.962
Supervising Technician	157	29.29	173	28.98
Associate Chief Technician	68	12.69	83	13.9
Chief Technician	27	5.04	31	5.19
Other	27	5.04	33	6.16
Other personnel	169	3.17	260	4.88	15.962	<0.001
Junior	50	29.59	70	26.92	3.779	0.437
Intermediate	36	21.3	77	29.62
Associate High	31	18.34	40	15.38
Senior	7	4.14	9	3.46
Other	45	26.63	64	24.62

Table 2 Comparison of Pre- and Post-Assessment Scores of Medical Staff of Different Genders and Ages

Classification		Stage 1 (n=5325)	Stage 4 (n=5577)	Improved Score	t-value	P-value
Average medical staff score		81.35±11.75	90.34±10.28	8.99	−42.582	<0.001
Gender	Male	78.59±12.81	87.84±12.25	9.24	−17.051	<0.001
	Female	82.01±11.38	90.97±9.62	8.96	−39.823	<0.001
	t-value	−8.433	−9.158
	P-value	<0.001	<0.001
Age	<30	81.73±111.59	90.55±8.82	8.82	−27.965	<0.001
	30~	81.45±11.60	90.48±9.93	9.03	−26.620	<0.001
	40~	80.73±11.74	90.09±10.52	9.36	−14.999	<0.001
	50~	79.56±13.24	89.05±12.27	9.50	−10.873	<0.001
	F-value	4.51	2.99
	P-value	0.004	0.030

Table 3 Comparison of Pre- and Post-Assessment Scores of Medical Staff with Different Titles

	Stage 1 (n=5325)		Stage 4 (n=5577)		Improved Scores	t-value	P-value
Classification	Average Score	Standard Deviation	Average Score	Standard Deviation
Physician Staff	80.13±12.12		88.89±11.03		8.76	−19.768	<0.001
Residents	79.27±12.45		88.99±10.48		9.73	−11.71	<0.001
Attending Physician	91.17±11.83		89.34±11.41		8.17	−9.784	<0.001
Associate Chief Physician	81.19±11.34		89.19±10.58		8	−8.976	<0.001
Chief Physician	79.45±12.64		88.56±11.28		9.1	−8.303	<0.001
F value	2.63		5.16
P-value	0.033		<0.001
Nursing staff	83.08±10.98		92.26±8.69		9.18	−37.766	<0.001
Nurse	82.92±11.00		92.07±8.90		9.15	−29.915	<0.001
Supervising Nurse	83.29±10.80		92.95±7.99		9.66	−21.102	<0.001
Associate Chief Nurse	83.9±11.56		92.49±8.48		8.59	−8.178	<0.001
Chief Nurse	83.67±11.89		92.03±9.06		8.36	−4.145	<0.001
Other	82.57±10.34		89.10±9.77		6.54	−3.849	<0.001
F-value	0.51		3.87
P-value	0.727		0.004
Medical Technicians	76.32±11.34		85.57±12.11		9.25	−13.224	<0.001
Technician	76.63±11.14		85.11±12.07		8.47	−8.413	<0.001
Supervising Technician	75.76±12.09		86.16±11.47		10.39	−8.011	<0.001
Associate Chief Technician	74.85±11.13		85.36±13.01		10.51	−5.265	<0.001
Chief Technician	77.41±9.84		87.41±13.72		10.01	−3.15	0.003
Other	79.26±10.53		85.15±12.21		5.89	−1.976	0.052
F-value	0.94		0.4
P-value	0.438		0.811
Other personnel	74.32±15.34		83.98±12.95		9.66	−7.015	<0.001
Junior	74.1±15.93		85.5±11.43		11.4	−4.567	<0.001
Intermediate	77.64±14.51		82.14±13.82		4.5	−1.588	0.115
Associate High	71.77±13.76		83.50±11.94		11.73	−3.84	<0.001
Senior	73.57±14.35		82.22±18.93		8.65	−1.01	<0.001
Other	73.78±16.66		85.08±13.20		11.3	−3.946	<0.001
F-value	0.65		0.8
P-value	0.628		0.528
F^a value	84.93		133.1
P^a value	<0.001		<0.001

Notes: The P^a value represents the comparison of scores between the two stages for different occupations.

Table 4 Comparison of Correct Rates for Different Knowledge Points

Knowledge Points (Number of Questions)	Stage 1 (n=5325)			Stage 4 (n=5577)			χ^2	P-value
	Number of Times Correct	Number of Assessment	Correct Rate (%)	Number of Times Correct	Number of Assessment	Correct Rate (%)
COVID-19 prevention and control (66)	36,888	42,605	86.58	42,404	46,932	90.35	313.339	<0.001
Basic knowledge (18)	8890	11,525	77.14	10,645	11,981	88.85	573.968	<0.001
Occupational exposure prevention and management (24)	11,903	15,454	77.02	14,388	16,239	88.60	750.88	<0.001
Hand hygiene (20)	10,392	12,930	80.37	12,019	13,346	90.06	491.091	<0.001
Sterilization (10)	4622	6450	71.66	5860	6774	86.51	443.211	<0.001
Medical waste management (10)	5148	6400	80.44	6003	6755	88.87	180.859	<0.001
Microbiological sample testing (7)	3496	4464	78.32	4233	4745	89.21	202.388	<0.001
Multi-drug resistant bacteria prevention and control (6)	3173	3850	82.42	3734	4087	91.36	140.532	<0.001
Infectious disease management (5)	2341	3194	73.29	2875	3319	86.62	181.313	<0.001
χ^2	1.7*10^3			171.777
P	<0.001			<0.001