Development and Validation of a Questionnaire to Assess Multimorbidity in Primary Care: An Indian Experience

Table 5

Measures of reliability (test-retest reliability) for different domains of MAQ-PC.

Domains		Test; Mean [SD]	Retest; Mean [SD]	value of the difference	ICC
Chronic conditions	103	1.61 [0.86]	1.60 [0.82]	0.932	0.970
Depression	103	1.92 [0.88]	1.86 [0.84]	0.617	0.817
Health care utilization
Frequency of hospital visits in last one year	103	0.98 [1.46]	0.96 [1.42]	0.920	0.822
Frequency of inpatient admission in last one year	103	0.30 [0.61]	0.33 [0.62]	0.726	0.881
Number of medicines taken	103	0.46 [0.79]	0.49 [0.78]	0.784	0.841
Health related quality of life
Self-rated overall health	103	3.53 [0.68]	3.41 [0.72]	0.220	0.741
SF-12 MCS	103	44.25 [9.64]	43.95 [9.67]	0.823	0.893
SF-12 PCS	103	43.57 [4.72]	43.61 [5.12]	0.953	0.912
Severity of the disease
Limitation in activities due to health problems	103	7.00 [5.93]	6.89 [5.60]	0.891	0.903
Multimorbidity (%)	103	23.03	23.01	0.897	0.963

Interclass correlation.