Table 4. Interaction terms for DM and place of birth as predictors of TB and LTBI, adjusted for age.

Characteristic	TB n (%)	LTBI n (%)	Unadjusted odds ratio (95%CI), p-value	Adjusted odds ratio (95%CI), p-value
N	791	17,856
Age
> 45	489 (6.5)	6989 (93.5)	2.52 (2.17–2.92), <.001	2.18 (1.86–2.54), <.001
≤ 45	302 (2.7)	10,867 (97.3)
Diabetes
Present	126 (9.8)	1158 (90.2)	2.73 (2.24–3.34), <.001	1.81 (1.37–2.39), <.001
Absent	665 (3.8)	16,698 (96.2)
Place of birth
Philippines	113 (5.9)	1815 (94.1)	Referent	Referent
China	233 (8.3)	2569 (91.7)	1.46 (1.15–1.84), 0.001	1.67 (1.27–2.19), <.001
Mexico	48 (2.2)	2109 (97.8)	0.37 (0.26–0.52), <.001	0.58 (0.40–0.85), 0.005
Other foreign	224 (3.6)	5972 (96.4)	0.60 (0.48–0.76), <.001	0.81 (0.61–1.06), 0.12
US	173 (3.1)	5391 (96.9)	0.52 (0.40–0.66), <.001	0.62 (0.47–0.82), <.001
Interaction terms
Philippines x diabetes				Referent
DM	36 (20.5)	140 (79.6)	5.59 (3.63–8.61), <.001
No DM	77 (4.4)	1675 (95.6)
China x diabetes				0.56 (0.31–0.99), 0.05
DM	40 (20.1)	159 (79.9)	3.14 (2.16–4.58), <.001
No DM	193 (7.4)	2410 (92.6)
Mexico x diabetes				0.23 (0.08–0.72), 0.01
DM	4 (2.7)	144 (97.3)	1.24 (0.44–3.50), 0.68
No DM	44 (2.2)	1965 (97.8)
Other x diabetes				0.41 (0.23–0.75), 0.003
DM	30 (7.6)	365 (92.4)	2.38 (1.59–3.54), <.001
No DM	194 (3.3)	5607 (96.7)
US x diabetes				0.29 (0.15–0.57), <.001
DM	16 (4.4)	350 (95.6)	1.47 (0.87–2.48), 0.15
No DM	157 (3.0)	5041 (96.9)