Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 28, 2013; 19(8): 1247-1255
Published online Feb 28, 2013. doi: 10.3748/wjg.v19.i8.1247
Table 1 Characteristics of California Health Inventory Survey participants ages 50-80 years (bootstrap 95%CI)
Totaln = 10  596  208Colonoscopy/Flexible sigmoidoscopy/Fecal occult blood testn = 6  678  773Colonoscopyn = 4  711  189No colonoscopy/Flexible sigmoidoscopy/Fecal occult blood testn = 3  917  435
Mean age, yr63.33 (63.32-63.33)64.19 (64.18-64.20)64.69 (64.68-64.70)61.86 (61.85-61.87)
Males, %46.6 (46.5-46.6)46.8 (46.7-46.8)47.2 (47.1-47.2)46.3 (46.2-46.3)
Body mass index, kg/m2, %
< 18.51.7 (1.6-1.7)1.5 (1.5-1.5)1.5 (1.5-1.6)2.0 (1.9-2.0)
18.5-24.9936.1 (36.0-36.1)35.1 (35.0-35.1)36.3 (36.3-36.4)37.8 (37.8-37.9)
25.0-29.9937.2 (37.1-37.2)38.6 (38.6-38.7)37.8 (37.8-37.9)34.7 (34.7-34.8)
> 30.025.1 (25.1-25.1)24.8 (24.8-24.9)24.3 (24.3-24.3)25.5 (25.5-25.6)
Ethnicity1, %
White60.8 (60.8-60.9)63.7 (63.7-63.8)66.1 (66.1-66.2)55.9 (55.8-56.0)
African American6.1 (6.1-6.1)6.3 (6.3-6.3)6.0 (6.0-6.0)5.8 (5.8-5.8)
Latino14.8 (14.8-14.9)12.2 (12.2-12.3)10.6 (10.6-10.7)19.2 (19.2-19.3)
Asian11.3 (11.2-11.3)10.7 (10.7-10.7)10.5 (10.4-10.5)12.2 (12.2-12.2)
Other7.0 (7.0-7.0)7.0 (7.0-7.0)6.7 (6.6-6.7)5.8 (5.7-5.8)
Smoking status, %
Current11.1 (11.1-11.2)8.2 (8.2-8.3)8.0 (8.0-8.0)16.1 (16.1-16.1)
Former35.9 (35.8-35.9)37.8 (37.8-37.9)38.4 (38.3-38.4)32.5 (32.5-32.6)
Never53.0 (52.9-53.0)53.9 (53.9-54.0)53.6 (53.6-53.7)51.3 (51.3-51.4)
Did not complete high school, %15.7 (15.7-15.8)12.9 (12.9-13.0)10.7 (10.7-10.8)20.4 (20.4-20.5)
Marital status, %
Married65.0 (65.0-65.0)67.9 (67.8-67.9)68.8 (68.7-68.8)60.1 (60.0-60.1)
Living w/partner4.1 (4.1-4.1)3.7 (3.7-3.8)3.6 (3.6-3.6)4.6 (4.6-4.7)
Widow/separated/divorced25.1 (25.1-25.2)23.7 (23.6-23.7)23.2 (23.2-23.2)27.7 (27.6-27.7)
Never married5.8 (5.8-5.8)4.7 (4.7-4.7)4.4 (4.4-4.4)7.6 (7.6-7.7)
Household income (United States $)73  671 (73  630-73  720)79  191 (79  151-79  238)81  798 (81  728-81 876)64  260 (64  157-64  336)
Income relative to poverty level, %
0-9910.8 (10.8-10.8)7.7 (7.7-7.8)7.1 (7.1-7.1)16.5 (16.4-16.5)
100-19917.1 (17.1-17.2)14.9 (14.8-14.9)14.3 (14.3-14.3)21.3 (21.2-21.3)
200-29913.7 (13.6-13.7)13.2 (13.2-13.3)13.5 (13.5-13.5)14.4 (14.4-14.5)
> 30058.4 (58.4-58.4)64.2 (64.1-64.2)65.1 (65.1-65.2)47.8 (47.6-47.9)
Dwelling2, %
Urban39.7 (39.6-39.7)39.5 (39.4-39.5)37.6 (37.6-37.7)40 (40.0-40.1)
Secondary city20.3 (20.2-20.3)19.5 (19.5-19.6)19.4 (19.3-19.4)21.4 (21.4-21.5)
Suburban25.1 (25.1-25.1)26.9 (26.9-27.0)28.2 (28.2-28.3)22.1 (22.0-22.1)
Rural15.0 (14.9-15.0)14.1 (14.0-14.1)14.8 (14.8-14.8)16.4 (16.4-16.5)
Insurance status, %
Uninsured9.5 (9.5-9.5)4.6 (4.6-4.6)3.3 (3.3-3.3)17.8 (17.8-17.9)
Medicare and medicaid8.9 (8.9-9.0)8.0 (8.0-8.0)8.5 (8.5-8.6)10.5 (10.5-10.5)
Medicare and others27.2 (27.2-27.2)31.8 (31.8-31.9)33.9 (33.9-34.0)19.3 (19.3-19.4)
Medicare only3.4 (3.4-3.4)3.1 (3.1-3.1)3.4 (3.4-3.4)3.8 (3.8-3.8)
Medicaid3.6 (3.6-3.6)2.3 (2.3-2.3)2.1 (2.0-2.1)5.8 (5.7-5.8)
Employer-based41.1 (41.0-41.1)43.6 (43.6-43.6)42.2 (42.1-42.2)36.7 (36.7-36.7)
Privately purchased4.6 (4.6-4.6)4.6 (4.6-4.6)4.6 (4.6-4.6)4.6 (4.5-4.6)
Other1.8 (1.8-1.8)2.0 (2.0-2.0)2.1 (2.0-2.1)1.5 (1.5-1.5)
Alcohol use, %
Never93.3 (93.2-93.4)93.5 (93.4-93.6)93.5 (93.4-93.6)93.0 (93.0-93.1)
Yes6.7 (6.2-6.8)6.6 (6.5-6.9)6.5 (6.5-6.8)6.9 (6.8-7.0)
Working status, %
Employed full time41.4 (41.4-41.4)39.9 (39.8-39.9)38.1 (38.1-38.2)44.0 (43.9-44.0)
Employed part time7.1 (7.1-7.1)7.0 (7.0-7.1)7.2 (7.2-7.2)7.1 (7.1-7.2)
Mod-Severe work impaired6.1 (6.1-6.1)5.4 (5.4-5.4)5.3 (5.3-5.4)7.4 (7.4-7.5)
Spouse Employed F/P Time32.6 (32.4-32.6)33.6 (33.5-33.6)33.4 (33.4-33.6)30.8 (30.7-30.8)