Table 3.

Univariate analysis comparing factors related to proactive therapeutic drug monitoring use

Variable	OR	95% CI
Practice setting
Tertiary hospital	2.25	0.8 to 6.1
Teaching hospital	1.1	0.61 to 1.9
Private practice	1.2	0.07 to 19.8
Grade
Registrar (gastroenterology)	0.5	0.2 to 1.05
IBD nurse specialist	1.2	0.7 to 2.12
Years in practice
<1	0.83	0.18 to 3.9
1–4	2.02	0.8 to 5.16
5–9	2.58	1.04 to 6.4
10–19	1.5	0.63 to 3.5
>20	2.13	0.83 to 5.5
Per cent of patients with IBD
11–25	4.8	0.5 to 42.8
26–50	4.5	0.5 to 39.5
>50	10.8	1.3 to 90.3

IBD, inflammatory bowel disease.