Table 4.

Ordinal regression results

Variable		Simple			Multilevel
		Proportional odds ratio	95 % confidence interval	p-value	Proportional odds ratio	95 % confidence interval	p-value
Age		0.977	0.971–0.983	<0.001	0.977	0.971–0.983	<0.001
Gender	Male	1.270	1.045–1.543	0.016	1.270	1.042–1.548	0.018
	Female	(Reference)			(Reference)
Marital Status	Single/divorced/widowed	1.084	0.891–1.319	0.422	1.084	0.890–1.320	0.424
	Married/cohabiting	(Reference)			(Reference)
Occupation	All other occupations	1.269	1.047–1.528	0.015	1.269	1.044–1.543	0.017
	Managerial and professional occupations	(Reference)			(Reference)
Number of health conditions (1–11)		1.050	0.984–1.120	0.139	1.050	0.982–1.122	0.152

Note that ‘4 risky behaviours’ is the reference category, so the proportional odds ratio relates to how much more likely the patient is to have either 0, 1, 2 or 3 risky behaviours in comparison to 4 risky behaviours