Table 2.

Bivariate analysis of associations with reported dengue illness in the last 12 months in 53,641 household members

Variable	Levels	With dengue		No dengue		OR	95%CIca
		Number	Percent	Number	Percent
Age	<25 years	649	2.3	28,025	97.7	1.56	1.32–1.85
	≥25 years	380	1.5	25,612	98.5
Sex	Male	488	1.9	25,747	98.1	0.98	0.86–1.11
	Female	541	1.9	27,889	98.1
Area of residence	Urban	650	2.6	24,060	97.4	2.1	1.46–3.04
	Rural	379	1.3	29,581	98.7
Region	Acapulco	663	3.5	18,481	96.5	3.5	2.52–4.70
	Costa Grande & Costa Chica	366	1.0	35,160	99.0
Use of household	Business/ home business	63	2.4	2558	97.6	1.31	0.92–1.85
	Home	961	1.8	50,987	98.2
Type of dwelling	Permanent	568	2.5	22,528	97.5	1.73	1.34–2.23
	Semi-permanent/temporary	449	1.4	30,820	98.6
Temephos placed in water within last 3 m	Yes	689	2.2	31,013	97.8	1.52	1.14–2.02
	No	308	1.4	21,082	98.6
Household use of anti-mosquito products	Yes	587	2.4	23,717	97.6	1.69	1.40–2.04
	No	435	1.4	29,717	98.6
Education of household head	≥ 6 years of education	718	2.2	31,819	97.8	1.64	1.32–2.05
	<6 years or no education	294	1.4	21,367	98.6
Working household head	Yes	902	2.0	44,950	98.0	1.39	1.09–1.76
	No	118	1.4	8148	98.6
Language	Indigenous language	31	0.8	3843	99.2	0.45	0.26–0.79
	Spanish	790	1.8	44,276	98.2
People per household	<5 people	483	2.4	19,887	97.6	1.50	1.25–1.80
	≥5 people	546	1.6	33,753	98.4
Larvae-positive containers	Yes	138	1.6	8316	98.4	0.84	0.68–1.05
	No	891	1.9	45,325	98.1
Pupae-positive containers	Yes	73	1.5	4746	98.5	0.79	0.61–1.01
	No	956	1.9	48,895	98.1
Containers positive for larvae/pupae	Yes	141	1.6	8470	98.4	0.85	0.68–1.05
	No	888	1.9	45,171	98.1

OR Odds ratio, 95%CIca cluster adjusted 95% confidence interval

Figures in bold font indicate an association significant at the 5% level