. Author manuscript; available in PMC: 2022 Mar 1.

Published in final edited form as: Arch Gerontol Geriatr. 2020 Nov 6;93:104292. doi: 10.1016/j.archger.2020.104292

Table 3.

Negative Binomial Regression of ADL-IADL score on Multimorbidity Combinations Compared with Individuals with Only Diabetes

Multimorbidity Combination	Unadjusted model			Partially adjusted model⁺			Fully adjusted model⁺
Multimorbidity Combination	e	95% CI	P	e	95%CI	P	e	95% CI	P
DM + HTN	1.96	1.30–2.97	.001^**	2.17	1.40–3.38	.001^**	1.54	1.00–2.38	0.053
DM + HTN + DEP	3.75	2.62–5.37	<.001^**	3.83	2.61–5.61	<.001^**	2.44	1.65–3.60	<.001^**
DM + DEP	2.32	1.39–3.87	.001^**	2.69	1.57–4.61	<.001^**	2.37	1.34–4.21	.003^**
DM + HTN + ART + DEP	7.59	4.53–12.73	<.001^**	4.72	2.72–8.19	<.001^**	3.74	2.08–6.73	<.001^**
DM + HTN + ART	3.10	1.38–6.99	.006^**	1.50	0.67–3.34	.320	1.16	0.46–2.66	.805
DM + ART	3.22	1.19–8.76	.021^*	2.34	0.92–5.97	.075	2.23	0.87–5.65	.092
DM + HTN + CAR	1.38	0.34–5.57	.654	0.23	0.04–1.27	.093	0.05	0.00– 0.91	.043^*
DM + ART + DEP	3.71	1.17–11.76	<.001^**	3.53	1.22–10.21	<.001^**	2.18	0.68–6.96	.189
DM + HTN + NCI	2.23	0.51–9.55	<.001^**	0.88	0.22–3.50	.851	0.82	0.20–3.30	.776

Note. ART = arthritis, CAR = cardiac disease, DM = diabetes mellitus, DEP = depression, HTN = hypertension, NCI = neurocognitive impairment, e = exponentiated coefficient

Statistically significant with α-level of 0.05

^**

Statistically significant with α-level of 0.01

⁺

Partially adjusted model includes age, sex, years education and BMI covariates. Fully adjusted model includes these as well as 2012 baseline ADL-IADL score as an additional covariate.