. 2021 Apr 20;21:367. doi: 10.1186/s12913-021-06362-y

Table 3.

Multilevel logistic regression model

Model: AIC 12568.9; marginal R² = 0.24; conditional R² = 0.55; ICC = 0.41; MOR = 4.22
Random effect	Variance (SD)
Hospital (intercept)	2.28 (1.51)
Fixed effects	OR (95% CI)
(intercept)	0.02 (0.01–0.03)^a
Organisational factors (specific contextual effects)
Guidelines regarding restraint (yes)	0.60 (0.49–0.74)^a
	80% IOR: (0.04–9.30)
Refresher course regarding restraints (yes)	0.75 (0.64–0.89)^a
	80% IOR: (0.05–11.64)
Patient characteristics
Age in years (1^st degree)	1.21 (1.14–1.29)^a
Age in years squared (2^nd degree)	1.11 (1.06–1.15)^a
Female gender	0.74 (0.67–0.81)^a
Care Dependency Scale (CDS) ≥ 70 completely independent	Reference
≥ 60–69 to a great extent independent	3.20 (2.74–3.72)^a
≥ 45–59 partially dependent	8.83 (7.59–10.28)^a
≥ 25–44 to a great extent dependent	23.81 (20.17–28.10)^a
≤ 24 completely dependent	39.74 (32.72–48.26)^a
Mental and behavioural disorders	2.31 (2.09–2.56)^a
Factors influencing health status and contact with health services	1.42 (1.22–1.65)^a
Diseases of the genitourinary system	0.90 (0.81–1.00)
Diseases of the digestive system	0.85 (0.76–0.95)^a
Diseases of the musculoskeletal system and connective tissue	0.78 (0.70–0.86)^a

AIC Akaike information criterion, ICC intraclass correlation coefficient, OR odds ratio, 95% CI 95% confidence interval, MOR median odds ratio, 80% IOR 80% interval odds ratio

^astatistically significant based on the 95%CI