TABLE 2.

Factors associated with DM (previously and newly diagnosed) prevalence among TB patients, Trivandrum, Kerala, India, March–September 2012

Category	TB patients n	Patients with DM n (%)	OR (95% CI)	Adjusted OR (95%CI)*
Age, years
>50	418	182 (45)	2.8 (2.1–3.7)†	2.5 (1.9, 3.3)†
≤50	530	116 (22)
Sex
Male	689	233 (34)	1.5 (1.1–2.1)†	1.0 (0.7, 1.5)
Female	259	65 (25)
Type of TB
Pulmonary	567	216 (38)	2.3 (1.7–3.1)†	1.9 (1.4, 2.7)†
Extra-pulmonary	383	82 (21)
Current smoker
Yes	377	144 (38)	1.6 (1.2–2.1)†	1.3 (0.96, 1.9)
No	546	152 (28)
Site of diagnosis
PHI	183	54 (30)	0.9 (0.6–1.2)
Tertiary care	737	244 (33)

^*Adjusted for age, sex, type of TB and smoking status.

^†P < 0.05.

DM = diabetes mellitus; TB = tuberculosis; OR = odds ratio; CI = confidence interval; PHI = peripheral health institution.