Table 1

Selected characteristics of respondents aged ≥ 50 years

Characteristic

Value*

N


Age, yrs

64.6 ± 10.1

84,284

Body mass index (BMI), kg/m2

30.2 ± 6.2

84,284

Sex, %

Men

38.2

32,179

Women

61.8

52,106

Race, %

White

82.3

68,639

Non-white

17.7

14,778

Health insurance, %

Yes

93.0

78,260

No

7.0

5,904

Smoking, %

Current smoker

18.2

15,265

Former smoker

35.4

29,709

Never smoker

46.4

38,959

Ever had fecal occult blood test (FOBT), %

Yes

43.0

37,498

No

53.9

49,123

Ever had screening sigmoidoscopy (SIG), %

Yes

45.3

39,574

No

51.1

46,584

Screening fecal occult blood test (FOBT), %

within past year

53.2

18,449

greater that 1 year

46.8

16,238

Screening sigmoidoscopy (SIG), %

within past 5 years

81.8

30,465

greater than 5 years

18.2

6,771


* Plus-minus values are means ± standard deviation

Heo et al. BMC Public Health 2004 4:53   doi:10.1186/1471-2458-4-53

Open Data