Survey on awareness and use of ultraviolet germicidal air disinfection among tuberculosis nurses

doi:10.3969/j.issn.2095-3755.2019.01.009

Abstract

Abstract:

Objective To understand awareness and use status of ultraviolet germicidal air disinfection among tuberculosis (TB) nurses.Methods A total of 396 TB nurses from 26 hospitals in 20 provinces (autonomous regions and municipality) were selected by stratified sampling. Self-designed Knowledge of Ultraviolet Germicidal Air Disinfection Questionnaire (9 items, scores range from 0 to 100 points) and Use of Ultraviolet Germicidal Air Disinfection Questionnaire (11 items) were used to investigate the influential factors for knowledge of ultraviolet germicidal air disinfection among TB nurses.Results Regarding the awareness of ultraviolet germicidal air disinfection, awareness of usage time, installation quantity, radiation intensity and installation height was low and the accuracy rate was 19.9% (79/396),35.4% (140/396),55.1% (218/396) and 64.4% (255/396). The total score of awareness of ultraviolet germicidal air disinfection was 64.52±14.03. The scores of group aged 41-57 years (69.13±11.3) was higher than that of group aged 26-30 years (61.98±14.07). The score of 21-38 working years group (69.49±11.26) was higher than that of 0.5-5 years working years group (61.51±15.07). The score of 11-38 working years in TB group (67.32±13.54) was higher than that of 0.5-5 years working years in TB group (63.07±14.05). The score of deputy chief nurses and above (69.93 ±10.54) were higher than that of ordinary nurses (61.67±15.07). The score of head nurses (69.43±13.81) was higher than that of director of nursing department (62.96±11.69). The differences were statistically significant (F=5.16, 6.95, 3.67, 6.50 and 5.23; P=0.002, 0.000, 0.026, 0.000 and 0.006).Conclusion The overall awareness of ultraviolet air disinfection in TB nurses is weak. The older the age, the longer the working years, the higher the nurses’ awareness level. Medical institutions should strengthen the training and education work especially focusing on the younger new nurses, in order to improve the awareness of ultraviolet air disinfection.

Key words: Tuberculosis, Nurses, Ultraviolet rays, Disinfection, Cognition, Questionnaires, Data interpretation, statistica

Wen-wen SHI,Zhen-lan DUAN,Dong-xia LI,Fei-fei NIE,Ya-hong WANG,Xiu-hua. WANG. Survey on awareness and use of ultraviolet germicidal air disinfection among tuberculosis nurses[J]. Journal of Tuberculosis and Lung Health , 2019, 8(1): 33-37. doi: 10.3969/j.issn.2095-3755.2019.01.009

Figures/Tables 5

社会人口学特征	认知得分 (分, $x ˉ$ ±s)	F值	P值
区域		1.28	0.278
东部	64.66±13.88
中部	66.06±13.93
西部	63.03±14.30
年龄组(岁)^a		5.16	0.002
18~	62.35±14.39
26~	61.98±14.07
31~	64.53±14.88
41~57	69.13±11.33
工作年限(年)^a		6.95	0.000
0.5~	61.51±15.07
6~	62.11±14.12
11~	65.87±13.74
21~38	69.49±11.26
结核科工作年限(年)^a		3.67	0.026
0.5~	63.07±14.05
6~	63.59±14.26
11~38	67.32±13.54
职称		6.50	0.000
护士	61.67±15.07
护师	62.92±13.81
主管护师	68.08±13.01
副主任护师及以上	69.93±10.54
社会人口学特征	认知得分 (分, $x ˉ$ ±s)	F值	P值
学历		2.06	0.105
中专	62.13±11.92
大专或高职	62.44±15.18
本科	65.87±13.38
硕士及以上	68.75±15.24
职务		5.23	0.006
无	63.49±13.93
护士长	69.43±13.81
护理部主任	62.96±11.69

条目	人数 (名)	构成比 (%)
1. 所在病区空气消毒的主要方法(多项选择题)
紫外线照射	372	93.9
空气消毒器	247	62.4
化学消毒法	111	28.0
2. 紫外线灯的安装方式
上层空间式/向上照射式	60	15.2
下层空间式/向下照射式	267	67.4
移动式	62	15.7
其他(包括混合安装等)	7	1.7
3. 是否对新进紫外线灯管进行辐照强度监测
是	325	82.1
否	71	17.9
4. 对使用中的紫外线灯管进行辐照强度监测的频率
不监测	15	3.8
1次/月	207	52.3
1次/6个月	143	36.1
1次/年	18	4.5
其他(包括1次/季度、不定期监测等)	13	3.3
条目	人数 (名)	构成比 (%)
5. 对使用紫外线灯的房间进行空气微生物监测的频率
不监测	24	6.1
1次/月	264	66.7
1次/6个月	79	19.9
1次/年	11	2.8
其他(包括不定期监测等)	18	4.5
6. 紫外线灯清洁擦拭的频率
1次/d	38	9.6
1次/周	286	72.2
1次/月	25	6.3
不定期擦拭	39	9.9
其他(包括随时擦拭、1次/2周等)	8	2.0
7. 紫外线灯清洁擦拭使用的消毒剂为
乙醇	307	77.5
含氯消毒剂	70	17.7
过氧乙酸	7	1.8
其他(包括异丙醇消毒湿巾等)	12	3.0
8. 紫外线灯空气消毒时照射时间
不低于20min	14	3.5
不低于30min	272	68.7
不低于1h	109	27.5
其他(包括20min以下)	1	0.3
9. 紫外线灯管的更换时间
紫外线灯管不亮时	8	2.0
紫外线灯管累计使用时间达到1000h时	295	74.5
辐照强度降低到新灯强度的70%以下时	90	22.7
其他(包括紫外线灯管发生故障等)	3	0.8
10. 紫外线登记本记录紫外线灯的哪些使用情况(多项选择题)
每天消毒时长	365	92.2
累计照射时间	370	93.4
灯管清洁度	205	51.8
辐射强度	118	29.8
11. 紫外线灯空气消毒时采取哪些防护措施(多项选择题)
紫外线灯开关与普通灯具开关分开安装,设立醒目标识	383	96.7
避免对人体的直接照射,必要时戴防护镜和穿防护服	367	92.7
监测记录患者和医务人员紫外线暴露剂量	191	48.2
向患者及家属做好紫外线防护知识健康教育	363	91.7

References 12

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医院类别	医院(家)	护士(名)	构成比(%)
分布区域
东部	9	138	34.9
中部	8	122	30.8
西部	9	136	34.3
医院级别
三级	21	322	81.3
二级	5	74	18.7
医院类型
专科	22	334	84.3
综合	4	62	15.7

条目	正确回答人数(名)	正确率 (%)
1. 紫外线的消毒原理	380	96.0
2. 使用中的紫外线灯辐照强度	218	55.1
3. 紫外线灯管吊装高度	255	64.4
4. 安装紫外线灯管的数量	140	35.4
5. 紫外线灯管的使用时限	79	19.9
6. 紫外线灯空气消毒时对环境的要求	299	75.5
7. 保证紫外线灯空气消毒效果的措施	308	77.8
8. 紫外线对人体健康的危害	287	72.5
9. 结核病室最佳的空气消毒方法	334	84.3

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