Attrition and social vulnerability during 2-year-long structured care in type 2 diabetes, the ERMIES randomized controlled trial

Table 2 Psychometric scales at baseline (N = 100)

	Total		Complete follow-up		Attrition group		p value
	% miss	median [IQR]	% miss	median [IQR]	% miss	median [IQR]
DQOL-BCI
Satisfaction with diabetes control (6 items; range 0–4)	11	2.7 [2.2–3.2]	12.1	2.7 [2.2–3.0]	7.6	2.8 [2.3–3.2]	0.448°
Reported adherence with self-care regimen (6 items; range 0–4)	12	2.3 [2.0–3.0]	13.5	2.3 [2.0–2.9]	7.6	2.7 [2.0–3.0]	0.410*
MDQ
Self-efficacy (7 items; range 0–4)	9	2.7 [2.1–3.3]	9.4	2.7 [2.1–3.4]	7.6	2.7 [2.3–3.1]	0.797*
Outcome expectancies (6 items; range 0–4)	6	4.0 [3.7–4.0]	5.4	4.0 [3.7–4]	7.6	4.0 [3.8–4.0]	0.193*
Positive reinforcing behaviours (8 items; range 0–3)	12	1.9 [0.6–2.7]	14.8	1.9 [0.5–2.6]	3.8	2.0 [0.8–2.8]	0.591*
Misguided support behaviours (4 items; range 0–3)	4	0.6 [0–1.6]	5.4	0.5 [0.0–1.3]	-	1.0 [0.0–2.0]	0.210*
HADS: Hospital Anxiety and Depression scale (range 0–21)	3	11.0 [9.0–13.0]	2.7	11.0 [9.0–13.0]	3.8	12.0 [9.0–12.0]	0.271°
CES-D: centre for epidemiologic studies depression scale (range 0–60)	8	16.0 [10.0–26.5]	9.4	15.0 [10.0–27.0]	3.8	21.0 [15.0–26.0]	0.284*

Data are medians and interquartile range [IQR]
Abbreviations: N—Sample size, IQR Interquartile range, % miss Percentage of missing values, DQOL-BCI Diabetes quality of life brief clinical inventory, MDQ Multidimensional diabetes questionnaire
* Mann–Whitney U test or °independent sample t test

ISSN: 1472-6823