Table 3

Variables associated with administration of analgesia less than 30 min from presentation

	Analgesia <30 min		Univariate		Multivariate
	No	Yes	OR	95% CI	OR	95% CI
Sex
Male	233	133	1		1
Female	261	115	0.77	0.57 to 1.05	0.88	0.63 to 1.24
Age, years
18–35	141	103	1		1
36–55	137	81	0.81	0.56 to 1.18	0.77	0.51 to 1.16
56–75	133	50	0.51	0.34 to 0.78	0.57	0.36 to 0.90
76 and above	83	14	0.23	0.12 to 0.43	0.21	0.10 to 0.41
Time of presentation
00:00–07:59	88	43	1		1
08:00–15:59	208	127	1.25	0.82 to 1.91	1.33	0.83 to 2.14
16:00–23:59	198	78	0.81	0.51 to 1.26	0.78	0.48 to 1.28
Day of presentation
Weekday	362	176	1		1
Weekend	132	72	1.12	0.80 to 1.57	1.06	0.72 to 1.54
Presenting complaint
Abdominal, urological	111	80	1		1
Trauma	57	36	0.88	0.53 to 1.45	0.95	0.53 to 1.69
Chest pain	68	23	0.47	0.27 to 0.82	0.92	0.48 to 1.76
Musculoskeletal	61	48	1.09	0.68 to 1.76	0.96	0.56 to 1.64
Other	197	61	0.43	0.29 to 0.65	0.45	0.29 to 0.71
Triage category*
2†	93	29	1		1
3	242	111	1.47	0.92 to 2.36	1.27	0.72 to 2.22
4	156	102	2.10	1.29 to 3.41	2.06	1.12 to 3.80
5	3	6	6.41	1.51 to 27.27	10.96	2.12 to 56.60
Triage Pain Score‡
1–3	155	42	1		1
4–7	251	133	1.96	1.31 to 2.92	1.53	0.99 to 2.38
8–10	88	73	3.06	1.93 to 4.85	2.55	1.50 to 4.35
Ethnicity
Australian, NZ, Brit	199	89	1		1
European	44	11	0.56	0.28 to 1.13	0.75	0.34 to 1.67
Asian	22	9	0.91	0.40 to 2.07	0.65	0.26 to 1.62
Other	12	4	0.75	0.23 to 2.37	0.59	0.16 to 2.16
Missing	217	135	1.39	1.00 to 1.93	1.49	1.04 to 2.13
Preferred language other than English
No	462	235	1		1
Yes	32	13	0.80	0.41 to 1.55	0.62	0.20 to 1.96
Interpreter required
No	484	239	1		1
Yes	10	9	1.82	0.73 to 4.55	4.97	1.07 to 23.11
Ambulance analgesia
Not given	409	235	1		1
Given	85	13	0.27	0.15 to 0.49	0.38	0.20 to 0.74

*Australasian Triage Scale: Patients in categories 1, 2, 3, 4 and 5 should be seen immediately, within 10, 30, 60 and 120 min, respectively.
†Includes a single patient of triage category 1.
‡0–10 Verbal Numerical Pain Rating Scale.
Brit, British; NZ, New Zealand.