TABLE 1.
Characteristics of older adults without colorectal cancer.
| Overall | ADRD | ||||
|---|---|---|---|---|---|
| No | AD | RD | P | ||
| n = 178,820,457 | n = 166,116,241 | n = 3,394,759 | n = 4,067,948 | ||
| % | % | % | % | ||
| Age | <.0001 | ||||
| 65–74 | 55.94 | 58.38 | 26.19 | 27.19 | |
| 75–84 | 31.09 | 30.83 | 39.48 | 37.72 | |
| 85+ | 12.97 | 10.79 | 34.34 | 35.09 | |
| Gender | 0.0568 | ||||
| Female | 56.02 | 55.40 | 60.09 | 58.81 | |
| Male | 43.98 | 44.60 | 39.91 | 41.19 | |
| Race/ethnicity | <.0001 | ||||
| Non-Hispanic white | 77.38 | 77.56 | 65.46 | 71.52 | |
| Non-Hispanic black | 8.49 | 8.39 | 13.43 | 9.42 | |
| Hispanic | 8.04 | 7.95 | 11.98 | 11.80 | |
| Other | 6.09 | 6.09 | 9.13 | 7.26 | |
| Education | <.0001 | ||||
| Less than high school | 15.47 | 14.66 | 30.86 | 27.33 | |
| High school graduate | 25.69 | 25.34 | 30.32 | 26.96 | |
| Some college | 23.50 | 23.90 | 15.89 | 19.40 | |
| College graduate | 35.34 | 36.10 | 22.93 | 26.31 | |
| Marital status | <.0001 | ||||
| Married | 55.32 | 56.84 | 48.65 | 46.70 | |
| Widowed | 24.35 | 22.88 | 35.71 | 36.18 | |
| Single | 20.33 | 20.28 | 15.64 | 17.12 | |
| Income | <.0001 | ||||
| Less than $10,000 | 7.04 | 6.35 | 14.53 | 12.34 | |
| $10,000 - $19,999 | 17.88 | 16.92 | 26.31 | 23.83 | |
| $20,000 - $39,999 | 26.81 | 26.91 | 25.16 | 29.61 | |
| $40,000 and more | 48.27 | 49.82 | 34.00 | 34.22 | |
| Residence | 0.2143 | ||||
| Urban | 80.35 | 80.36 | 78.55 | 83.12 | |
| Rural | 19.65 | 19.64 | 21.45 | 16.88 | |
| Census region | 0.5197 | ||||
| Northeast | 18.53 | 18.50 | 15.37 | 19.64 | |
| Midwest | 22.28 | 22.11 | 24.38 | 23.83 | |
| South | 37.42 | 37.54 | 39.23 | 34.55 | |
| West | 21.77 | 21.85 | 21.02 | 21.98 | |
| Screening use | |||||
| FOBT | <.0001 | ||||
| No | 47.37 | 46.91 | 58.19 | 58.33 | |
| Yes | 52.63 | 53.09 | 41.81 | 41.67 | |
| Colonoscopy/sigmiodoscopy | <.0001 | ||||
| No | 21.49 | 21.09 | 32.76 | 29.37 | |
| Yes | 78.51 | 78.91 | 67.24 | 70.63 | |
| Any colorectal cancer screening | <.0001 | ||||
| No | 12.14 | 11.74 | 23.54 | 19.68 | |
| Yes | 87.86 | 88.26 | 76.46 | 80.32 | |
| Screening knowledge | |||||
| Heard of FOBT | <.0001 | ||||
| No | 27.26 | 26.88 | 31.20 | 35.62 | |
| Yes | 72.74 | 73.12 | 68.80 | 64.38 | |
| Heard of colonoscopy/sigmoidoscopy | 0.2400 | ||||
| No | 15.36 | 15.27 | 12.82 | 19.02 | |
| Yes | 84.64 | 84.73 | 87.18 | 80.98 | |
| Medicare pay for colorectal cancer screening | <.0001 | ||||
| No | 55.20 | 54.90 | 62.78 | 61.35 | |
| Yes | 44.80 | 45.10 | 37.22 | 38.65 | |