Table 3.

Socioeconomic, Sociodemographic, and Lifestyle Risk Factors for Infection (Bivariate and Sex- and Age-Adjusted)

Risk factors	HR (95% CI)	Adjusted HR (95% CI)
Socioeconomic
Have electricity in house	1.19 (.74–1.90)	1.10 (.68–1.76)
Rooms in house (number)	1.01 (.83–1.25)	1.04 (.84–1.28)
Mud/plastic walls in house (vs brick/concrete)	1.33 (.49–3.62)	1.21 (.43–3.30)
Persons per room in house (household density)	1.06 (.94–1.19)	1.04 (.92–1.18)
Primary caregiver education level
No education	1.00	1.00
Primary	0.77 (.43–1.36)	0.79 (.44–1.41)
Secondary	0.70 (.38–1.27)	0.70 (.38–1.27)
Sociodemographic
Male	0.75 (.44–1.37)	0.78 (.44–1.39)
Age at enrollment (continuous)	0.96 (.93–.99)*	0.96 (.93–.99)*
Number of siblings or children in household	1.10 (.97–1.25)	1.11 (.97–1.27)
≥ 5 siblings or children in household	2.08 (.97–4.47)	2.41 (1.11–5.21)**
Lifestyle and household
Child plays with >5 children	0.52 (.32–0.86)**	0.54 (.33–.90)**
Child plays with >5 children aged <5 y	0.75 (.46–1.22)	0.79 (.49–1.29)
Child sleeps away from home in last 6 mo	0.77 (.11–5.53)	0.80 (.11–5.72)

Abbreviations: CI, confidence interval; HR, hazard ratio.

*P < .01.

**P < .05.