Table 4. Prevalence ratio of multimorbidity in older adults, according to independent variables in adjusted multiple. São Paulo, Brazil, 2015.

Variables	Multiple analysis
	RP a	95%CI	p
Gender (ref. male)
Female	1.95	1.58–2.40	< 0.001
Age (ref. 60-64 years old)
65–69 years old	1.19	0.95–1.51	0.132
70–74 years old	1.19	0.89–1.59	0.231
≥ 75 years old	1.25	1.01–1.60	0.042
Race/Skin color (ref. White)
Asian	0.98	0.66–1.44	0.922
Mixed-race	1.16	0.95–1.41	0.129
Black	1.28	1.04–1.59	0.022
Smoking habit (ref. never smoked)
Currently smokes	0.72	0.53–0.99	0.044
Former smoker	1.30	1.05–1.60	0.014
Consumer price index (ref. low income)
High income	1.27	1.09–1.50	0.003

PR _a: adjusted prevalence ratio; 95%CI: 95% confidence interval.