Evaluation of a self-management programme for congestive heart failure patients: design of a randomised controlled trial

Table 2 Outcome variables of the effect evaluation

Variables	No. of items	Range*	BM	FU1	FU2	FU3
Primary outcome variables
General self-efficacy (GSES) [12]	16	16–80	Q	Q	Q	Q
Cardiac self-efficacy [16]
Control symptoms	8	0–32	Q	Q	Q	Q
Maintain function	5	0–20	Q	Q	Q	Q
Perceived control [17]	7	7–35	TI	TI	TI	TI
Cognitive symptom management [20]	5	0–25	TI	TI	TI	TI
Secondary outcome variables
Smoking behaviour	2	N/A	TI	TI	TI	TI
Drinking behaviour	2	N/A	TI	TI	TI	TI
BMI	2	N/A	TI	TI	TI	TI
Physical activity [20]	4	N/A	TI	TI	TI	TI
Self-care behaviour (EHFScBS) [21]	12	12–60	Q	Q	Q	Q
General quality of life (RAND-36) [22]
Physical functioning	10	0–100	Q	Q	Q	Q
Social functioning	2	0–100	Q	Q	Q	Q
Role limitations (physical problem)	4	0–100	Q	Q	Q	Q
Role limitations (emotional problem)	3	0–100	Q	Q	Q	Q
Mental health	5	0–100	Q	Q	Q	Q
Vitality	4	0–100	Q	Q	Q	Q
Pain	2	0–100	Q	Q	Q	Q
General health perception	5	0–100	Q	Q	Q	Q
Health change	1	0–100	Q	Q	Q	Q
Cardiac quality of life (KCCQ) [23]
Physical limitations	6	0–100	Q	Q	Q	Q
Symptoms	8	0–100	Q	Q	Q	Q
Self-efficacy	2	0–100	Q	Q	Q	Q
Social interference	4	0–100	Q	Q	Q	Q
Quality of life	3	0–100	Q	Q	Q	Q
Perceived autonomy	1	0–100	Q	Q	Q	Q
Symptoms of anxiety & depression [24, 25]
Anxiety (HADS-A)	7	0–21	Q	Q	Q	Q
Depression (HADS-D)	7	0–21	Q	Q	Q	Q
Health care utilisation	7	N/A	TI	TI	TI	TI
Covariates
Socio-demographic variables	9	N/A	TI	-	-	-
Co-morbidity [13, 28]	19	N/A	TI	-	-	-
Cognitive status (TICS) [29]	25	0–41	TI	-	-	-

BM = baseline measurement; FU1 = immediate follow-up; FU2 = follow-up after 6 months; FU3 = follow-up after 12 months; Q = questionnaire; TI = telephone interview
N/A = not applicable
* Underlined scores indicate the most favourable scores.

ISSN: 1472-6963