The Outcomes and Experiences Questionnaire: development and validation

Figures & data

Table 1 Respondent characteristics for the three groups and combined across groups

Variable	Hip group		Knee group		Vein group		Combined
	No	%	No	%	No	%	No	%
Age
“Mean” age	69 years		71 years		58 years		67 years
SD (years)	10.95		8.87		13.91		12.16
Range (years)	30–92		44–87		17–96		17–96
Sex
Male	72	39.3%	79	42.5%	52	46.4%	203	42.2%
Female	111	60.7%	107	56.9%	60	53.6%	278	56.7%
Q1 general health
Excellent	8	4.6%	1	0.6%	8	7.4%	17	3.7%
V Good	58	33.5%	36	20.0%	42	37.5%	136	29.2%
Good	69	39.9%	98	54.4%	45	40.2%	212	45.6%
Fair	30	17.3%	36	20.0%	17	14.5%	83	17.9%
Poor	8	4.6%	9	5.0%	–	0%	17	3.7%
Q2 general health
Excellent	15	8.5%	6	3.2%	12	10.3%	33	7.0%
V Good	75	42.6%	57	30.3%	44	40.0%	176	37.3%
Good	63	35.8%	82	43.6%	38	34.5%	183	38.9%
Fair	21	11.9%	34	18.1%	15	13.6%	70	14.9%
Poor	2	1.1%	6	3.2%	1	0.9%	9	1.9%
Overall assessment of operation
Excellent	64	36.8%	33	17.8%	27	24.3%	124	26.4%
V Good	65	37.4%	71	38.4%	40	36.0%	176	37.4%
Good	32	18.4%	54	29.2%	29	26.1%	115	24.5%
Fair	9	5.7%	19	10.3%	11	9.9%	40	8.5%
Poor	3	1.7%	8	4.3%	4	3.6%	15	3.2%
Assessment of problems compared to before operation
Excellent	151	85.8%	129	69.4%	74	66.7%	354	74.8%
V Good	15	8.5%	36	19.4%	20	18.0%	71	15.0%
Good	3	1.7%	8	4.3%	10	15.3%	21	4.4%
Fair	5	2.8%	8	4.3%	4	6.3%	17	3.6%
Poor	2	1.1%	5	2.7%	3	2.7%	10	2.1%

Notes: Q1 – Baseline measurement; Q2 – post surgery.

Abbreviations: V, very; SD, standard deviation.

Table 2 OEQ-O and OEQ-E scale mean, standard deviation, median, and range

Variable	Hip group	Knee group	Vein group	Combined
OEQ-O
Mean	17.19	16.19	16.05	16.54
SD	3.24	4.36	3.99	3.91
Median	18	17	17	18
Range	0–20	0–20	4–20	0–20
OEQ-E
Mean	15.24	15.23	15.83	15.37
SD	3.19	3.09	2.65	3.04
Median	16	16	17	16
Range	4–18	2–18	6–18	2–18

Abbreviations: SD, standard deviation; OEQ-O, Outcomes and Experiences Questionnaire-Outcomes; OEQ-E, Outcomes and Experiences Questionnaire-Experiences.

Table 3 OEQ-O and OEQ-E correlations with “overall assessment of operation”

	Hip group	Knee group	Vein group	Combined
OEQ-O	0.77	0.71	0.77	0.75
OEQ-E	0.55	0.34	0.35	0.40

Note: All associations significant at P=0.001.

Abbreviations: OEQ-O, Outcomes and Experiences Questionnaire-Outcomes; OEQ-E, Outcomes and Experiences Questionnaire-Experiences.

Table 4 OEQ-O and OEQ-E correlations with “improvement after operation”

	Hip group	Knee group	Vein group	Combined
OEQ-O	0.77	0.85	0.75	0.80
OEQ-E	0.41	0.30	0.11	0.27

Notes: All associations significant at P=0.001 unless otherwise stated; figures in italics are not significant associations.

Abbreviations: OEQ-O, Outcomes and Experiences Questionnaire-Outcomes; OEQ-E, Outcomes and Experiences Questionnaire-Experiences.

Table 5 Response rates by site and total sample

	Returned (n)	Response rate
Site 1	225	21.0%
Site 2	235	37.5%
Site 3	126	39.2%
Total	586	32.6%

Table 6 Correlation coefficients between the OEQ domains and 12 a priori determined core domains from the NHS inpatient survey

NHS inpatient survey domains	OEQ-O	OEQ-E
Consistency and coordination of care	0.58**	0.68**
Treatment with dignity and respect	0.43**	0.62**
Involvement	0.51**	0.63**
Doctors	0.54**	0.63**
Nurses	0.40**	0.57**
Cleanliness	0.30**	0.37**
Pain control	0.40**	0.51**
Access and waiting	0.23**	0.26**
Safe, high quality, coordinated care	0.37**	0.47**
Better information, more choice	0.40**	0.45**
Building better relationships	0.44**	0.58**
Clean, comfortable, friendly place to be	0.42**	0.58**

Note:

** Correlation significant at 0.01.

Abbreviations: OEQ-O, Outcomes and Experiences Questionnaire-Outcomes; OEQ-E, Outcomes and Experiences Questionnaire-Experiences; NHS, National Health Service.