Table 2

Multiple logistic regression derived odd ratios (ORs) and 95% confidence intervals (95% CI) for a bunk bed fall rather than a conventional bed fall injury by a series of demographic and accident descriptive variables

Variable	Category or increment	OR	95% CI	p Value
Age	0–4 years	baseline
	5–9	4.89	3.48 to 6.88	0.001
	10+	4.21	2.47 to 7.19	0.001

Gender	Male	baseline
	Female	0.98	0.72 to 1.35	0.92

Place of residence	Greater Athens	1.65	0.93 to 2.93	0.08
	Magnesia-Corfu	baseline

Nationality	Other	0.19	0.05 to 0.80	0.02
	Greek	baseline

Time of accident	0600–0959	1.17	0.57 to 2.43	0.66
	1000–1359	baseline
	1400–1759	2.10	1.30 to 3.42	0.002
	1800–2159	1.57	0.98 to 2.54	0.06
	2200–0559	2.51	1.30 to 4.88	0.006

Day of accident	Weekday	0.96	0.69 to 1.35	0.85
	Weekend	baseline

Season of accident	Winter	1.89	1.16 to 3.09	0.01
	Spring	1.50	0.93 to 2.44	0.09
	Summer	baseline
	Autumn	1.52	0.96 to 2.42	0.07

Activity	Leisure	baseline
	Sleep	1.49	0.96 to 2.34	0.07

Number of injuries	Single	baseline
	Multiple	3.03	1.95 to 4.72	0.0001

Additional, alternatively introduced variables
Injured body part	brain	2.35	1.30 to 4.27	0.005
	skull	0.65	0.41 to 1.05	0.08
	face	0.82	0.52 to 1.32	0.42
	trunk	1.43	0.80 to 2.58	0.23
	limbs	baseline

Type of injury	contusion, abrasion	1.67	1.06 to 2.64	0.02
	open wound	baseline
	fracture	2.00	1.21 to 3.33	0.006
	concussion	4.33	2.39 to 7.88	0.0001
	other	1.36	0.59 to 3.18	0.47
	no injury diagnosed	1.39	0.81 to 2.40	0.23

Outcome	non-hospitalised	baseline
	hospitalised	2.87	1.77 to 4.65	0.0001