Table 1.

Risk factors for tuberculosis disease in Kerala

	Estimate of relative risk	Prevalence of the risk factor (%)	Population attributable risk (%)
Undernutrition	4.49[6]	9.1[9]	24
Recent close contact	4.83 (2.08-11.20)[14]	5[11]	16
Diabetes	2.12 (1.19-3.77)[14]	16[16,17]	15
Tobacco	2. 30 (1.29-4.10)[14]	12.7[11]	14
COPD	3 (2.4-4)[7]	6[18]	10
Alcoholism	2.94 (1.35-6.43)[14]	1.46[19]	4
HIV	10[8]	0.12[20]	1
Health-care worker	1.84[15]	4[11]	3
Tribal	3.92 (3.31-4.64)	1[12]	3
Coastal	2.5 (2.16-2.91)	2[12]	3
Slum	1.7 (1.12-2.42)	1[12]	1.5
Past history of TB	2.3[14]	1[21]	1.3

COPD: Chronic obstructive pulmonary disease, TB: Tuberculosis