Ten Years of Dengue (2013–2022): Epidemiology and Predictors of Outbreaks in Sarawak
Table 2
Socio-demographic characteristics of dengue cases of Sarawak 2013–2022 and comparison between those from outbreak or single cases (univariate and multivariate).
Single case, n (%) (n = 9,384)
Outbreak, n (%) (n = 4,636)
Univariate OR (95% CI)
Multivariate OR (95% CI)
Age
Mean (SD) (years)
38.13 (17.8)
32.22 (18.2)
0.982 (0.980–0.985)
0.984 (0.980–0.989)
Median (years)
37
29.5
—
—
Range (years)
<1−97
<1−93
—
—
Gender
Male
5,794 (61.7)
2,336 (50.4)
ref
ref
Female
3,590 (38.3)
2,300 (49.6)
1.589 (1.480–1.706)
1.584 (1.387–1.821)
Nationality
Malaysian
8,879 (94.6)
4,493 (96.9)
ref
ref
Non-Malaysian
505 (5.4)
143 (3.1)
1.787 (1.479–2.159)
1.340 (0.646–2.777)ns
Ethnicity
Iban
2,748 (29.3)
910 (19.6)
ref
ref
Chinese
3,082 (32.8)
1,767 (38.1)
1.731 (1.574–1.904)
1.179 (0.961–1.446)ns
Malay/Melanau
1,375 (14.7)
1,132 (24.4)
2.486 (2.230–2.771)
2.533 (2.088–3.072)
Bidayuh
462 (4.9)
223 (4.8)
1.458 (1.222–1.789)
1.402 (1.048–1.874)
Other Sarawakian natives
1,084 (11.6)
436 (9.4)
1.215 (1.062–1.389)
1.347 (1.101–1.648)
Others
633 (6.7)
168 (3.6)
0.801 (0.666–0.965)
0.596 (0.312–1.141)ns
Occupation
(n = 3,459)
(n = 2,019)
—
—
Working
2,172 (62.8)
1,008 (49.9)
ref
ref
Non-working
982 (28.4)
575 (28.5)
1.262 (1.111–1.433)
1.179 (1.005–1.383)
Student
305 (8.8)
436 (21.6)
3.080 (2.614–3.630)
1.450 (1.163–1.808)
Place of dwelling
(n = 9,254)
(n = 4,587)
—
—
Rural
4,837 (52.3)
3,289 (71.7)
ref
—
Urban
4,417 (47.7)
1,298 (28.3)
0.432 (0.401–0.466)
0.398 (0.346–0.458)
Bold values indicate numerical, n, that is different from other variables in the table. ref = reference category. Significant at ; Significant at .
