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Volume 16, Number 12—December 2010

Research

Alkhurma Hemorrhagic Fever in Humans, Najran, Saudi Arabia

Abdullah G. Alzahrani, Hassan M. Al Shaiban, Mohammad A. Al Mazroa, Osama Al-Hayani, Adam MacNeil, Pierre E. Rollin, and Ziad A. MemishComments to Author 
Author affiliations: Author affiliations: Ministry of Health, Riyadh, Saudi Arabia (A.G. Alzahrani, H.M. Al Shaiban, M.A. Al Mazroa, O. Al-Hayani, Z.A. Memish); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (A. MacNeil, P.E. Rollin)

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Table 2

Demographic characteristics of persons with and without Alkhurma hemorrhagic fever, Najran, Saudi Arabia, 2006–2009

Characteristic Case-patients, no. (%), n = 28 Controls, no. (%), n = 65 Total, no. (%), n = 93 OR (95% CI)
Age, y
<20 13 (46) 24 (37) 37 (40) 5.42 (0.58–125.74)
20–39 14 (50) 31 (48) 45 (48) 4.52 (0.50–10.43)
>40
1 (4)
10 (15)
11 (12)
Reference
Gender
M 18 (64) 31 (48) 49 (53) 1.97 (0.72–5.45)
F
10 (36)
34 (52)
44 (47)
Ref
Marital status
Single 15 (54) 30 (46) 45 (48) 1.35 (0.51—3.63)
Married
13 (46)
35 (54)
48 (52)
Reference
Nationality
Saudi 3 (11) 14 (22) 17 (18) 0.86 (0.05–28.00)
Yemeni 24 (86) 47 (72) 71 (76) 2.04 (0.19–50.75)
Bangladeshi
1 (4)
4 (6)
5 (5)
Reference
Education
Preschool 1 (4) 6 (9) 7 (8) 0.25 (0.01–6.51)
None (illiterate) 4 (14) 7 (11) 11 (12) 0.86 (0.06–12.21)
Primary 9 (32) 29 (45) 38 (41) 0.85 (0.18–4.15)
Intermediate 4 (14) 11 (17) 15 (16) 0.55 (0.04–7.15)
Secondary 8 (29) 9 (14) 17 (18) 1.33 (0.12–15.74)
University
2 (7)
3 (5)
5 (5)
Reference
Occupation
Livestock related† 4 (14) 9 (14) 13 (14) 1.27 (0.23–6.79)
Student 12 (43) 17 (26) 29 (31) 2.02 (0.57–7.34)
Housewife 5 (18) 19 (29) 24 (26) 0.75 (0.17–3.30)
Other‡
7 (25)
20 (31)
27 (29)
Reference
District
Al Hadhan 4 (14) 5 (8) 9 (10) 2.80 (0.25–36.19)
Al Balad 7 (25) 15 (23) 22 (24) 1.63 (0.21–15.05)
Al Jarbah 12 (43) 29 (45) 41 (44) 1.45 (0.22–11.83)
Al Mashaliah 3 (11) 9 (14) 12 (13) 1.17 (0.10–14.06)
Al Ghwaila
2 (7)
7 (11)
9 (10)
Reference
House
Modern 20 (71) 50 (77) 70 (75) 0.75 (0.25–2.30)
Traditional 8 (29) 15 (23) 23 (25) Reference

*OR, odds ratio; CI, confidence interval.
†Shepherd, butcher.
‡Teacher, driver, military, none.

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