Table 3

Associations with new non-specific symptomatic problem formulation (vs new specific vertigo diagnosis)

Factor group	Variable	Class	Univariate*		Adjusted*
Factor group	Variable	Class	OR (95% CI)	P value	OR (95% CI)	P value
Patient factors	Patient age group	0–14	1.28 (0.65 to 2.54)	0.47	1.28 (0.61 to 2.67)	0.51
	Comparator: 15–34	35–64	0.49 (0.38 to 0.64)	<0.001	0.51 (0.38 to 0.69)	<0.001
		65–74	0.67 (0.47 to 0.94)	0.022	0.69 (0.47 to 1.02)	0.066
		75+	0.93 (0.64 to 1.35)	0.70	0.95 (0.61 to 1.48)	0.82
	NESB*	Yes	1.54 (1.08 to 2.21)	0.019	1.30 (0.86 to 1.96)	0.21
Registrar factors	Registrar gender	Female	1.33 (1.06 to 1.66)	0.012	1.34 (1.03 to 1.74)	0.027
	Registrar FT or PT*	Part time	1.24 (0.96 to 1.60)	0.11	1.19 (0.88 to 1.61)	0.25
	Obtained primary medical degree in Australia	Yes	1.34 (1.01 to 1.77)	0.041	1.40 (0.99 to 2.00)	0.06
Practice factors	Practice size†	Small	1.27 (1.02 to 1.59)	0.034	1.17 (0.91 to 1.52)	0.22
	SEIFA-IRSD index		0.97 (0.93 to 1.00)	0.088	0.94 (0.90 to 0.98)	0.007
Consultation factors	Sought help any source	Other sources	0.32 (0.25 to 0.42)	<0.001	0.39 (0.28 to 0.53)	<0.001
	Comparator: none	Supervisor	1.58 (1.12 to 2.24)	0.01	1.39 (0.92 to 2.09)	0.12
	Consultation duration		1.03 (1.02 to 1.04)	<0.001	1.02 (1.00 to 1.03)	0.016
	Number of problems		1.68 (1.47 to 1.92)	<0.001	1.52 (1.31 to 1.77)	<0.001
Consultation action factors	Medication prescribed	Yes	0.20 (0.16 to 0.25)	<0.001	0.32 (0.24 to 0.43)	<0.001
	Procedure performed	Yes	0.41 (0.28 to 0.61)	<0.001	0.49 (0.28 to 0.85)	0.011
	Pathology ordered	Yes	10.5 (7.06 to 15.6)	<0.001	8.25 (4.94 to 13.8)	<0.001
	Imaging ordered	Yes	6.34 (4.03 to 9.99)	<0.001	4.09 (2.26 to 7.41)	<0.001
	Learning goals generated	Yes	0.77 (0.62 to 0.97)	0.025	0.95 (0.70 to 1.31)	0.76

*OR and p values from logistic regression models: univariate and multivariable logistic regression, respectively’.
†Practice size defined as small if <5 full-time equivalent GPs.
FT, full time; GPs, general practitioners; NESB, non-English speaking background; PT, part time; SEIFA-IRSD, Socioeconomic Index for Area – Index of Relative Social Disadvantage.