Association of red cell distribution width with all-cause and cardiovascular-specific mortality in African American and white adults: a prospective cohort study

Table 4 Association between red cell distribution width and waist-hip ratio, and illicit drug use

Characteristics	Beta^a	95% CI	Beta^b	95% CI
Overall population
WHR	0.3	0.02, 0.5	1.4	0.2, 2.5
Marijuana use
No	Ref		Ref
Yes	− 0.2	− 0.4, − 0.01	− 0.3	− 0.5, − 0.03
Current cocaine use
No	Ref		Ref
Yes	− 0.3	− 0.6, − 0.02	− 0.4	− 0.7, − 0.02
Stratified analysis by sex
Men
WHR	1.0	− 0.1, 2	0.3	− 1.4, 2.1
Marijuana use
No	Ref		Ref
Yes	− 0.04	− 0.2, 0.2	− 0.002	− 0.3, 0.3
Current cocaine use
No	Ref		Ref
Yes	− 0.02	− 0.3, 0.3	− 0.1	− 0.5, 0.3
Women
WHR	0.2	− 0.1, 0.5	1.6	0.1, 3.2
Marijuana use
No	Ref		Ref
Yes	− 0.3	− 0.7, − 0.01	− 0.6	− 1.0, − 0.2
Current cocaine use
No	Ref		Ref
Yes	− 0.6	− 1.1, − 0.1	− 0.6	− 1.2, − 0.1
Stratified analysis by race
African American
WHR	2.5	1.2, 3.7	1.6	− 0.1, 3.4
Marijuana use
No	Ref		Ref
Yes	− 0.2	− 0.5, 0.03	− 0.3	− 0.6, 0.03
Current cocaine use
No	Ref		Ref
Yes	− 0.3	− 0.7, 0.1	− 0.3	− 0.8, 0.1
White
WHR	0.1	− 0.1, 0.3	0.6	− 0.7, 2.0
Marijuana use
No	Ref		Ref
Yes	− 0.1	− 0.4, 0.2	− 0.2	− 0.5, 0.2
Current cocaine use
No	Ref		Ref
Yes	− 0.3	− 0.6, 0.1	− 0.4	− 0.9, 0.1
Stratified analysis by poverty status
Below poverty
WHR	1.8	0.4, 3.2	0.3	− 1.5, 2.1
Marijuana use
No	Ref		Ref
Yes	− 0.3	− 0.6, 0.1	− 0.3	− 0.7, 0.1
Current cocaine use
No	Ref		Ref
Yes	− 0.5	− 0.9, − 0.1	− 0.6	− 1.1, − 0.1
Above poverty
WHR	0.2	− 0.03, 0.4	2.1	0.7, 3.6
Marijuana use
No	Ref		Ref
Yes	− 0.1	− 0.4, 0.1	− 0.3	− 0.6, 0.05
Current cocaine use
No	Ref		Ref
Yes	0.01	− 0.4, 0.4	0.03	− 0.5, 0.5

CI confidence interval, WHR waist-hip ratio
^aAdjusted for age, sex, race, and poverty status
^bFull model adjusted for age, sex, race, poverty status, current cigarette smoking, body mass index, diagnosis of hypertension, diagnosis of diabetes mellitus, low density lipoprotein cholesterol, estimated glomerular filtration rate, and high-sensitivity C-reactive protein