Co-morbid depression is associated with poor work outcomes in persons with cardiovascular disease (CVD): A large, nationally representative survey in the Australian population

Table 7 Ordinal logistic regression model for the relationship between workplace absenteeism and disease group, by hours worked (n = 5499)

Number of days unable to work⁺	Unadjusted	Adjusted	Jack-knife	Confidence
	OR	OR ±	Standard Error	intervals
< 35 hours per week
Neither CVD nor MDD	1.0	1.0
MDD only	2.5*	1.9*	0.4	1.3, 2.9
CVD only	1.0	1.1	0.6	0.4, 3.3
Co-morbid MDD & CVD	5.0*	3.6*	2.1	1.4, 11.7
≥35 hours per week
MDD only	2.2*	1.7*	0.3	1.2, 2.5
CVD only	0.7	0.9	0.2	0.5, 1.6
Co-morbid MDD & CVD	3.2*	3.0*	1.5	1.3, 8.0

+ 0 = 0 days per month (reference group), 1 = 1-4 days; 2 = 5 days per month or more; ± = Adjusted for: age, sex, marital status, education, smoking, area social disadvantage, self rated mental and physical self rated health *p < 0.05; Post-estimation tests revealed good model specificity

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