Table 3.

Results of robust logistic regression analysis, weighted data. Predictors for any self‐reported error (medical, medication or laboratory error) for 11 participating countries and country‐specific analysis for USA, United Kingdom and Germany (hierarchical regression)

Variable	All 11 countries			USA			United Kingdom			Germany
	OR	CI	P	OR	CI	P	OR	CI	P	OR	CI	P
Age > 65 years	0.59	0.50–0.71	<0.001	0.43	0.30–0.62	<0.001
Female gender	1.05	0.91–1.20	0.522
College education (vs. High school or less)	1.12	0.94–1.34	0.191							1.01	0.55–1.87	0.966
Income much below national averages (vs. no)	1.15	1.00–1.32	0.045							3.96	1.54–10.17	0.004
Fair/poor self‐rated health (vs. excellent/good)	1.48	1.25–1.76	<0.001	1.38	0.96–1.98	0.083
Chronic conditions (base: none)
1 chronic condition	1.58	1.29–1.92	<0.001	2.34	1.42–3.86	0.001
2 or more chronic conditions	1.56	1.27–1.93	<0.001	2.84	1.80–4.49	<0.001
Specialist care (vs. no)	1.51	1.27–1.81	<0.001	1.47	1.02–2.11	0.037
Number of doctors seen (base: none)
1–2 doctors	1.43	1.02–2.01	0.036	0.95	0.47–1.90	0.877
3 or more doctors	2.01	1.41–2.87	<0.001	1.58	0.78–3.19	0.206
Elective surgery (vs. no)	1.28	1.08–1.51	0.004				0.82	0.29–2.30	0.708	1.89	0.93–3.85	0.078
Hospital stay (vs. no)	1.60	1.37–1.88	<0.001				3.90	1.71–8.93	0.001	5.50	2.57–11.77	<0.001
Emergency care (vs. no)	1.66	1.44–1.91	<0.001	1.74	1.27–2.37	0.001
Number of prescription drugs (base: none)
1 prescription drug	1.00	0.81–1.25	0.968				1.23	0.46–3.26	0.679
2 or more prescription drugs	1.32	1.09–1.60	0.004				2.69	1.34–5.40	0.005
Poor coordination of care experiences (vs. no)	3.85	3.35–4.41	<0.001	4.23	3.09–5.78	<0.001	4.56	2.38–8.73	<0.001	4.28	2.31–7.92	<0.001
n	17 825			2426			1483			952
Archer–Lemeshow test statistic	1.259		0.254	0.762		0.652	0.360		0.876	0.091		0.997