Prevalence and Risk Factors for Opioid-Induced Constipation in an Older National Veteran Cohort

Table 1

Demographics of veterans covered by the study.

	VA and CMS patients count (percent/SD)
Characteristic
Total	152,904	(100.00)
Male	149,092	(97.51)
Female	3,812	(2.49)
Age (mean [SD])	76	(7.35)
Race
White	112,517	(73.59)
African American	14,672	(9.60)
Unknown	22,785	(14.90)
Asian/Hawaiian/Pacific Islander	2,130	(1.39)
American Indian, Alaskan Native	800	(0.52)

Note. VA: Veterans Health Administration; CMS: Center for Medicare and Medicaid Services.