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Volume 20, Number 4—April 2014
Dispatch

Clinical Malaria along the China–Myanmar Border, Yunnan Province, China, January 2011–August 2012

Guofa Zhou1, Ling Sun1, Rongji Xia, Yizhong Duan, Jianwei Xu, Henglin Yang, Ying Wang, Ming-chieh Lee, Zheng Xiang, Guiyun YanComments to Author , Liwang Cui, and Zhaoqing Yang
Author affiliations: Kunming Medical University, Kunming City, China (G. Zhou, L. Sun, Z. Xiang, Z. Yang); University of California, Irvine, Irvine, California, USA (G. Zhou, M.-C. Lee, G. Yan); Longchuan Center for Disease Control and Prevention, Longchuan, China (R. Xia); Tengchong Center for Disease Control and Prevention, Techong, China (Y. Duan); Yunnan Institute of Parasitic Diseases, Pu’er, China (J. Xu, H. Yang); Third Military Medical University, Chongqing, China (Y. Wang); Pennsylvania State University, University Park, Pennsylvania, USA (L. Cui)

Main Article

Table 1

Demographic characteristics for participants in a study of clinical malaria along the China–Myanmar border, Yunnan Province, China, January 2011–August 2012*

Characteristic No. (%) febrile case-patients, n = 8,296 No. (%) suspected cases, n = 656 No. (%) confirmed cases, n = 303 Odds ratio (95% CI)
Nationality
Chinese 6,002 (83) 586 (89) 257 (85) 1
Myanmarese
 1,232 (17)
 70 (11)
 46 (15)
 2.5 (1.5–4.1)†
Sex
F 3,648 (44) 88 (13) 27 (9) 1
M
 4,629 (56)
 568 (87)
 276 (91)
 2.1 (1.3–3.5)‡
Age, y
<18 1,864 (23) 66 (10) 16 (5) 1
>18
 6,359 (77)
 590 (90)
 287 (95)
 3.0 (1.6–5.3)†
Occupation
Indoor worker§ NC 64 (10) 10 (3) 1
Farmer NC 433 (66) 203 (67) 4.8 (2.4–9.6)†
Business person NC 78 (12) 41 (14) 6.0 (2.7–13.4)†
Mobile worker¶
 NC
 78 (12)
 49 (16)
 9.1 (4.0–20.6)†
Use of preventive measures#
No NC 257 (39) 209 (69) 1
Yes NC 399 (61) 94 (31) 0.07 (0.05–0.10)†

*For some case reports, information was missing for nationality, sex, age, or occupation. NC, not calculated because information was missing for a considerable number of febrile cases.
†p<p 0.001.
‡P<0.01.
§Students, preschool children, office workers, and housewives were categorized as “indoor work.”
¶Mobile workers included truck drivers, construction workers and casual workers who worked in plantation farms.
#Indicates use of bed net, indoor residual spray, and repellents.

Main Article

1These authors contributed equally to this article.

Page created: March 18, 2014
Page updated: March 18, 2014
Page reviewed: March 18, 2014
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