Ecologic and Sociodemographic Risk Determinants for Dengue Transmission in Urban Areas in Thailand

Table 4

Multivariate analysis of the association between sociodemographic factors of respondents and dengue transmission.

Factors	Crude OR (95%CI)	adj. OR (95%CI)	P value*	P value**
Age (years)
≤45	1
>45	4.89 (2.45, 9.75)	3.24 (1.51, 6.97)	0.003*	0.001**
Highest school degree
Elementary and lower	1
Secondary and higher	3.59 (1.95, 6.61)	2.33 (1.19, 4.55)	0.013*	0.009**
Movement during last 3 months
No	1
Yes	3.59 (0.88, 6.61)	2.33 (0.91, 4.55)	0.080	0.103
Residence time in house (years)
>15	1
≤15	1.88 (1.00, 3.52)	0.21 (0.03, 1.35)	0.100	0.054
Residence time in neighborhood (years)
>15	1
≤15	2.6 (1.41, 4.79)	6.19 (1.03, 37.26)	0.047*	0.011**
Number of household members (persons)
1–4	1
>4	1.69 (0.97, 2.94)	2.01 (1.12, 3.6)	0.020*	0.024**
Knowledge about dengue and its vectors
High	1
Low	1.69 (0.86, 3.34)	1.9 (0.93, 3.88)	0.080	0.096
Community effort in environmental
management by clean-up campaign
No/don't know	1
Yes	2.07 (1.15, 3.73)	1.91 (1.05, 3.49)	0.035*	0.029**

OR: odds ratios. CI: confidence interval. Statistical significance (P < 0.05) using the Wald’s test* and the likelihood-ratio test.**