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Table 3 Referrals received by DVA service providers from general practices—incident rate ratios (IRR) with sessions’ delivery

From: Improving the healthcare response to domestic violence and abuse in UK primary care: interrupted time series evaluation of a system-level training and support programme

 A (n = 31)B (n = 30)C (n = 32)D (n = 23)E (n = 34)
IRR (95% CI)pIRR (95% CI)pIRR (95% CI)pIRR (95% CI)pIRR (95%)p
Underlying time trend (IRR per day)1.00 (0.99, 1.00)0.1571.00 (0.99, 1.01)0.1000.99 (0.99, 1.00)0.5240.99 (0.99, 1.00)0.9211.00 (0.98, 1.02)0.681
Average effect of session delivery12.82 (7.51, 21.88)< 0.00137.92 (10.36, 138.82)< 0.00186.93 (27.81, 271.73)< 0.00130.83 (9.82, 96.76)< 0.0010.95 (0.13, 6.84)0.959
Change in gradient following session delivery0.99 (0.998, 0.999)0.0260.99 (0.98, 0.99)0.991.00 (0.99, 1.00)0.8530.99 (0.99, 1.00)0.6630.99 (0.98, 1.02)0.675