Echinococcosis prevalence and knowledge awareness in population in Jiuzhi County of Qinghai Province during 2017—2018

doi:10.12140/j.issn.1000-7423.2021.05.017

Abstract

Abstract:

Objective To investigate the prevalence and knowledge awareness of echinococcosis in Jiuzhi County, Qinghai Province during 2017—2018. Methods Residents above 2 years of age in seven townships (town) in Jiuzhi County were selected with a cluster random sampling method during 2017—2018 and subjected to B-ultrasound examination to determine the prevalence of echinococcosis in the residents. A field questionnaire regarding knowledge of echinococcosis prevention and control was performed randomly among groups with different occupations. Results A total of 25 238 people in Jiuzhi County received B-ultrasound examination, 798 of them were diagnosed with echinococcosis, showing a prevalence rate of 3.2% (798/25 238). Of the diagnosed cases, 245 were cystic echinococcosis (30.7%), 549 with alveolar echinococcosis (68.8%), and 4 mixed type (0.5%). The prevalence was higher in females (4.0%, 498/12 327) than males (2.3%, 300/12 911) (χ² = 60.668, P < 0.01). The prevalence of echinococcosis increased with age, and was highest in the age group 50-60 (8.0%, 141/1 756) (χ² = 439.082, P < 0.01). The prevalence was highest in the illiterate group (20.7%, 693/3 356) (χ² = 3 871.087, P < 0.01) among all groups of educational levels. The prevalence in the nomadic population (4.0%, 743/18 561) was higher than that in the settled population (0.8%, 55/6 677) (χ² = 162.104, P < 0.01). The prevalence of echinococcosis was highest in Waeryi township (10.9%, 349/3 218) (χ² = 881.983, P < 0.01). In 2017 and 2018, 431 and 449 questionnaires were completed in the residents with different occupations, and the awareness rates of echinococcosis were 84.5% (364/431) and 94.5% (426/449), respectively. Conclusion High prevalence of echinococcosis was found in Jiuzhi County. The rate of awareness on echinococcosis control in 2018 was higher than that in 2017.

Key words: Echinococcosis, Jiuzhi County, Human, Investigation

CLC Number:

R532.32

LIU Jia, LEI Wen, MA Xiao, ZHANG Xue-fei, FAN Hai-ning, WANG Wei, ZHANG Qing, MA Jun-ying, CAI Hui-xia, ZHAN Pei-zhen, ZHANG Jing-xiao, LIU Yu-fang, LIU Na, WANG Yong-shun, ZHAO Cun-zhe, ZHANG Xiong-ying, SHI Ke-mei, YIN Xiu-qin, SHANG Shun-xin. Echinococcosis prevalence and knowledge awareness in population in Jiuzhi County of Qinghai Province during 2017—2018[J]. CHINESE JOURNAL OF PARASITOLOGY AND PARASITIC DISEASES, 2021, 39(5): 681-686.

Figures/Tables 2

Table 1

Table 2

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特征 Characteristic	B超检查 B-ultrasound examination			χ²	P
特征 Characteristic	检查人数 No. exam’d	患病人数 No. positive	检出率/% Positive rate/%	χ²	P
性别Gender
男性Male	12 911	300	2.3	60.668	< 0.01
女性Female	12 327	498	4.0
小计Subtotal	25 238	798	3.2
年龄Age group
2~9	4 563	19	0.4	439.082	< 0.01
10~19	5 491	92	1.7
20~29	4 348	109	2.5
30~39	3 620	124	3.4
40~49	3 461	169	4.9
50~59	1 756	141	8.0
60~69	1 097	87	7.9
≥ 70	902	57	6.3
小计Subtotal	25 238	798	3.2
职业Occupation
干部Office staff	1 247	8	0.6	502.066	< 0.01
牧民Herdsman	14 022	742	5.3
学生Student	6 932	27	0.4
僧侣Monk	243	13	5.4
其他^a Others^a	131	8	6.1
学龄前Preschool child	2 663	0	0
小计Subtotal	25 238	798	3.2
文化程度Educational level
文盲Illiteracy	3 356	693	20.7	3 871.087	< 0.01
小学Primary school	16 020	54	0.3
初中Junior high school	3 069	23	0.8
高中Senior high school	1 509	11	0.7
大专Junior college	1 220	16	1.3
本科College	64	1	1.6
小计Subtotal	25 238	798	3.2
居住方式Living style
定居Settledown	6 677	55	0.8	162.104	< 0.01
冬季定居夏季游牧Settled in winter and nomadic in summer	18 561	743	4.0
小计Subtotal	25 238	798	3.2
地区Township
白玉乡Baiyu	5 246	248	4.7	881.983	< 0.01
门堂乡Mentang	2 537	32	1.3
索乎日麻乡Suohurima	4 585	67	1.5
索日麻乡Suorima	93	0	0
哇尓依乡Waeryi	3 218	349	10.9
哇塞乡Wasai	3 839	62	1.6
智青松多镇Zhiqingsongduo	5 720	40	0.7
小计Subtotal	25 238	798	3.2

职业 Occupation	2017年							2018年
	调查人数 No. investigated		合格人数 No. qualified		合格率/%Acceptance rate/%	χ²	P	调查人数 No. investigated	合格人数 No. qualified		合格率/%Acceptance rate/%	χ²	P
	调查人数 No. investigated	牧民Herdsman	合格人数 No. qualified	90	合格率/%Acceptance rate/%	χ²	P	调查人数 No. investigated	合格人数 No. qualified	77	合格率/%Acceptance rate/%	χ²	P	85.6	34.882	< 0.01	113	106	93.8	4.6	> 0.05
干部Office staff	86		79		91.9			66	61		92.4
学生^a Student^a	135		113		83.7			195	189		96.9
僧侣Monk	62		51		82.3			62	57		91.9
其他Other	58		44		75.9			13	13		100.0
合计Total	431		364		84.5			449	426		94.9

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