Table 2.

Incidence rate ratio for individual and composite questions

Access variable	Unadjusted (10% increase in access variable)				Adjusteda (10% increase in access variable)				Change in admissions for 10% increase in access variable
	IRR	95% LCI	95% UCI	P-value	IRR	95% LCI	95% UCI	P-value	% change	95% LCI	95% UCI
Q1: How easy have you found getting through on the phone? (%)	0.975	0.957	0.995	0.016	0.980	0.961	1.000	0.102	−2.0	−3.9	0.0
Q2: Are you able to see doctor in 2 days? (%)	0.988	0.964	1.014	0.360	0.997	0.973	1.020	0.813	−0.3	−2.7	2.0
Q3: Are you able to book ahead? (%)	0.978	0.963	0.994	0.008	0.990	0.970	1.000	0.065	−1.0	−3.0	0.0
Q4: Can patients overhear in reception? (%)	1.013	0.986	1.040	0.354	1.007	0.980	1.030	0.567	0.7	−2.0	3.0
Q5: How helpful are receptionists? (%)	0.983	0.941	1.028	0.470	1.010	0.961	1.051	0.810	1.0	−3.9	5.1
Q6: See their preferred doctor always, almost always, or a lot of the time (%)	0.996	0.975	1.016	0.695	1.010	0.990	1.030	0.513	1.0	−1.0	3.0
Q7: Ease getting appointment with practice nurse (%)	1.010	0.990	1.041	0.313	1.030	1.000	1.051	0.041	3.0	0.0	5.1
Composite access variable	0.675	0.652	0.700	<0.001	0.679	0.665	0.708	<0.0001	−32.1	−33.5	−29.2

^aAdjusted for age, sex, ethnic group, deprivation, Asthma QOF score (6 and 8), and distance to nearest hospital. Weighted for practice list size and clustered at primary care trust level.

IRR = incidence rate ratio. LCI = lower confidence interval. UCI = upper confidence interval.