Table 3

Adjusted odds ratios (AOR) for the effect of the intervention on the proportion tested.

Variable

AOR

(95%CI)


GP gender

Female GPs

1.0

Male GPs

0.6 (0.4, 1.0)


Age group

≤ 44 years

1.0

≥ 45 years

0.5 (0.3, 0.9)


Postgraduate qualifications

No

1.0

Yes

0.7 (0.4, 1.4)


Knowledge of RACGP 'Red Book' guidelines

No

1.0

Yes

1.2 (0.7, 2.3)


Study group

Control

1.0

Intervention

2.0 (1.1, 3.5)


Time period

Pre-trial period

1.0

Trial period

1.5 (1.2, 1.9)


Interaction of time with intervention

Pre-trial period

1.0

Trial period

0.9 (0.6, 1.2)


# Adjusted for clustering at GP level

Bilardi et al. BMC Public Health 2010 10:70   doi:10.1186/1471-2458-10-70

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