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. Memish
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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