Table 5

ORs (95% CIs) from multinomial multivariable logistic regression comparing those with self-completed ACD (reference) to those with no ACD or advance care plan, and those who only had ACP completed by someone else

		No ACD or advance care plan		ACP completed by someone else		P value
		Crude OR (95% CI)	Adjusted OR (95%CI)	Crude OR (95% CI)	Adjusted OR (95% CI)	Crude	Adjusted
Gender	Male	Ref		Ref		0.061	0.237
Gender	Female	0.71 (0.52 to 0.96)	0.78 (0.55 to 1.11)	0.96 (0.68 to 1.37)	1.05 (0.7 to 1.57)	0.061	0.237
Age (years)	Per year	0.96 (0.95 to 0.98)	0.97 (0.95 to 0.99)	1.00 (0.97 to 1.02)	0.99 (0.97 to 1.02)	0.001	0.030
Multimorbidity	One	Ref		Ref		0.054	0.157
Multimorbidity	Multiple	0.45 (0.18 to 1.09)	0.52 (0.18 to 1.48)	0.32 (0.12 to 0.81)	0.34 (0.12 to 1.02)	0.054	0.157
Relationship status	Married/living with partner	Ref		Ref		0.221	0.250
Relationship status	Other	0.90 (0.65 to 1.23)	1.08 (0.75 to 1.55)	0.72 (0.50 to 1.04)	0.78 (0.52 to 1.17)	0.221	0.250
Country of birth	Australia	Ref		Ref		0.014	0.033
Country of birth	Other	1.63 (1.17 to 2.28)	1.59 (1.11 to 2.26)	1.19 (0.81 to 1.76)	1.15 (0.76 to 1.74)	0.014	0.033
Setting	RACF	Ref		Ref		<0.001	<0.001
Setting	Other	5.06 (2.55 to 10.0)	3.17 (1.34 to 7.52)	0.33 (0.11 to 0.97)	0.20 (0.06 to 0.66)	<0.001	<0.001
Estimated functional status	No or some disability	1.13 (0.50 to 2.58)	0.71 (0.28 to 1.81)	0.63 (0.26 to 1.53)	0.65 (0.24 to 1.74)	0.018	0.059
	Moderate disability	0.91 (0.58 to 1.41)	0.79 (0.49 to 1.29)	0.45 (0.27 to 0.74)	0.43 (0.25 to 0.73)
	Severe disability	0.74 (0.51 to 1.07)	0.72 (0.48 to 1.07)	0.60 (0.41 to 0.90)	0.59 (0.38 to 0.90)
	Very severe disability	Ref		Ref
Palliative care	Yes	Ref		Ref		0.159	0.298
Palliative care	No	1.34 (0.76 to 2.39)	1.62 (0.85 to 3.07)	0.72 (0.38 to 1.37)	1.09 (0.55 to 2.15)	0.159	0.298
Jurisdiction	Common law state for ACD preferences	Ref		Ref		0.148	0.379
Jurisdiction	Legislative state for ACD preferences	1.37 (0.70 to 2.70)	1.64 (0.81 to 3.35)	0.53 (0.24 to 1.16)	0.98 (0.44 to 2.19)	0.148	0.379
ACP programme	Yes	Ref		Ref		0.095	0.206
ACP programme	No	2.44 (1.02 to 5.82)	2.25 (0.85 to 5.95)	0.79 (0.26 to 2.42)	1.82 (0.57 to 5.80)	0.095	0.206
ACP training	Yes	Ref		Ref		<0.001	<0.001
ACP training	No	0.47 (0.24 to 0.93)	0.37 (0.17 to 0.79)	0.12 (0.05 to 0.29)	0.09 (0.03 to 0.22)	<0.001	<0.001
Any ACP policy or guideline	Yes	Ref		Ref		0.573	0.019
Any ACP policy or guideline	No	1.30 (0.66 to 2.57)	1.39 (0.69 to 2.78)	1.42 (0.63 to 3.18)	3.05 (1.39 to 6.69)	0.573	0.019
Any funded ACP support	Yes	Ref		Ref		0.434	0.526
Any funded ACP support	No	0.66 (0.35 to 1.24)	0.69 (0.34 to 1.39)	0.89 (0.42 to 1.92)	0.77 (0.34 to 1.77)	0.434	0.526

ACD, advance care directive; ACP, advance care planning; RACF, residential aged care facility.