BMC Medical Research Methodology

Table 4 Agreement between corresponding items on the RAD-Q and RAD-I

From: Construct validity of 2 measures to assess reasons for antipsychotic discontinuation and continuation from patients’ and clinicians’ perspectives in a clinical trial

	Discontinuation items			Continuation items
RAD item	% Agreement	Pearsons’s correlation (r)	Kappa coefficients	% Agreement	Pearsons’s correlation (r)	Kappa coefficients
Positive	86.3	0.75	0.61	67.7	0.71	0.53
Negative	87.7	0.64	0.54	60.2	0.68	0.46
Mood	86.2	0.66	0.52	60.3	0.68	0.47
Cognition	87.2	0.61	0.54	60.6	0.74	0.47
Functioning	89.4	0.70	0.55	67.2	0.82	0.56
Adverse Event	79.8	0.94	0.72	63.4	0.67	0.49
Finances	97.7	0.91	0.82	87.9	0.67	0.59
Insurance	99.4	0.91	0.91	88.8	0.75	0.62
Health System	98.3	0.91	0.62	80.7	0.63	0.51
Transportation	100.0	1.00	1.00	85.0	0.67	0.52
Social Support	96.7	0.82	0.66	79.0	0.71	0.52
Believed Better	95.5	0.80	0.45	61.9	0.65	0.49
Unable to Connect	98.3	0.30	0.57	70.7	0.77	0.55
Influence Another	93.7	0.62	0.62	87.0	0.57	0.50
Try New Medication	97.7	0.64	0.49	70.7	0.74	0.55

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ISSN: 1471-2288

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