Table III.

Internal Consistency, Means, SDs, and Range for DMIS Subscales

DMIS Subscale	Combined sample (n = 226)	Cystic fibrosis (n = 68)	Type 1 diabetes (n = 90)	Asthma (n = 68)
Parent report
Child seek
α	.91	.89	.91	.92
M (SD)	2.02 (.94)	1.90 (.86)	2 (.94)	2.15 (1.02)
Range	1–4	1–4	1–4	1–4
Child express
α	.76	.80	.76	.74
M (SD)	2.52 (.84)	2.37 (.83)	2.54 (.83)	2.64 (.85)
Range	1–4	1–4	1–4	1–4
Parent seek
α	.77	.73	.80	.75
M (SD)	2.86 (.80)	2.70 (.77)	2.91 (.82)	2.97 (.80)
Range	1.25–4	1.25–4	1.50–4	1.25–4
Parent express
α	.78	.76	.83	.72
M (SD)	2.91 (.71)	2.93 (.66)	2.91 (.77)	2.88 (.69)1
Range	1–4	1.40–4	1–4	–4
Joint/options
α	.72	.71	.76	.68
M (SD)	2.21 (.72)	2.25 (.68)	2.26 (.75)	2.10 (.73)
Range	1–4	1–4	1–4	1–3.40
Total
α	.89	.89	.91	.87
M (SD)	2.53 (.59)	2.48 (.56)	2.56 (.62)	2.56 (.58)
Range	1.35–4	1.40–3.95	1.35–4	1.45–3.85
Child report
Child seek
α	.81	.85	.83	.73
M (SD)	2.27 (.93)	2.19 (.96)	2.20 (.90)	2.44 (.92)
Range	1–4	1–4	1–4	1–4
Child express
α	.73	.77	.77	.62
M (SD)	2.44 (.84)	2.28 (.84)	2.47 (.87)	2.54 (.81)
Range	1–4	1–4	1–4	1–4
Parent seek
α	.76	.74	.72	.81
M (SD)	2.64 (.82)	2.59 (.79)	2.57 (.77)	2.78 (.90)
Range	1–4	1–4	1–4	1–4
Parent express
α	.71	.74	.63	.76
M (SD)	2.68 (.69)	2.65 (.70)	2.71 (.61)	2.66 (.79)
Range	1–4	1–4	1.20–4	1–4
Joint/options
α	.74	.71	.76	.75
M (SD)	2.22 (.75)	2.19 (.71)	2.22 (.75)	2.24 (.80)
Range	1–4	1–4	1–4	1–4
Total
α	.91	.91	.90	.92
M (SD)	2.46 (.64)	2.40 (.63)	2.45 (.60)	2.53 (.69)
Range	1.15–4	1.15–4	1.15–3.80	1.20–3.85