Table 3.

Associations between frequent use of information sources and GP characteristics.

	Interpersonal sources		Printed sources			Online sourcesc
	GP colleaguesa	Other medical specialistsb	Medical booksb	Medical journalsb	DCGP guidelinesb	Drug information websitesa	Medical websitesa
	OR adj. (95%CI)	OR adj. (95%CI)	OR adj. (95%CI)	OR adj. (95%CI)	OR adj. (95%CI)	OR adj. (95%CI)	OR adj. (95%CI)
Gender
Female	1	1	1	1	1	1	1
Male	0.77 (0.58–1.01)	0.83 (0.66–1.05)	1.29 (1.04–1.61)d	1.27 (0.98–1.63)	0.86 (0.68–1.08)	1.19 (0.94–1.51)	0.94 (0.73–1.23)
Age
<45	1	1	1	1	1	1	1
45–54	0.56 (0.38–0.81)d	0.68 (0.49–0.93)d	1.15 (0.85–1.54)	1.65 (1.19–2.28)d	0.65 (0.48–0.90)d	0.46 (0.33–0.64)e	0.56 (0.38–0.82)d
55–64	0.52 (0.36–0.75)e	0.47 (0.34–0.64)e	1.18 (0.88–1.57)	2.55 (1.83–3.55)e	0.64 (0.47–0.87)d	0.25 (0.18–0.36)e	0.31 (0.21–0.45)e
≥65	0.74 (0.41–1.36)	0.30 (0.18–0.50)e	0.79 (0.49–1.25)	2.17 (1.27–3.70)d	0.55 (0.34–0.89)d	0.13 (0.07–0.23)e	0.11 (0.06–0.21)e
Practice form
Single-handed	1	1	1	1	1	1	1
Partnership	17.68 (9.72–32.15)e	1.23 (0.88–1.71)	0.79 (0.58–1.08)	1.20 (0.83–1.71)	1.36 (0.98–1.88)	1.20 (0.87–1.67)	1.04 (0.72–1.51)
Collaborative	17.22 (8.70–34.08)e	1.30 (0.84–2.01)	0.89 (0.59–1.35)	0.97 (0.60–1.55)	0.96 (0.62–1.47)	1.05 (0.68–1.64)	1.01 (0.62–1.64)
N=	1407	1407	1406	1406	1406	1406	1406

^aFrequent use defined as daily use.

^bFrequent use defined as daily or weekly use.

^cOnline sources are defined as only being available online whereas printed sources can exist both in print and online.

Adjusted for gender, age, practice form, workload and status as training practice.

^dp value <0.05.

^ep value <0.001.