Table 2.

Estimated age- and gender-standardized proportions of California residents age 50 y and older who have received up-to-date colorectal cancer screening*

Up-to-date screening, by endoscopy or FOBT
Ethnic group200120032005Change, 2001 to 2005P, difference between 2001 and 2005
All53%52%56%3%<0.001
White (W)56%55%59%3%<0.001
Black (B)56%55%57%1%0.84
Asian (A)46%45%49%3%0.12
Latino (L)40%41%47%7%0.003
P, comparisons among groupsP < 0.001: WA, WL, BA, BLP < 0.001: WA, WL, BA, BLP < 0.001: WA, WL, BL
P < 0.01: ALP < 0.01: BA
Asian subgroups
    Japanese (J)57%55%59%2%0.78
    Chinese (C)47%51%53%6%0.18
    Filipino (F)43%38%46%3%0.56
    Vietnamese (V)42%53%49%7%0.22
    Korean (K)39%34%29%−10%0.04
P, comparisons among groupsP < 0.01: JV, JKP < 0.001: JK, CKP < 0.001: JK, CK, FK, VK
P < 0.05: JFP < 0.01: JF, VKP < 0.05: JF
P < 0.05: CF, FV
Up-to-date screening with endoscopy

2001
2003
2005
Change, 2001 to 2005
P, difference between 2001 and 2005
All43%44%48%5%<0.001
White (W)45%47%52%7%<0.001
Black (B)48%45%50%2%0.35
Asian (A)36%38%42%6%0.005
Latino (L)33%31%39%6%0.005
P, comparisons among groupsP < 0.001: WA, WL, BA, BLP < 0.001: WA, WL, BLP < 0.001: WA, WL, BL
P < 0.01: BA, ALP < 0.01: BA
Asian subgroups
    Japanese (J)49%49%53%4%0.50
    Chinese (C)38%42%46%8%0.05
    Filipino (F)31%32%37%6%0.24
    Vietnamese (V)32%42%43%10%0.08
    Korean (K)30%31%28%−2%0.64
P, comparisons among groupsP < 0.01: JF, JV, JKP < 0.01: JF, JKP < 0.001: JK, CK
P < 0.05: JCP < 0.05: CKP < 0.01: JF, VK
Up-to-date screening with FOBT

2001
2003
2005
Change, 2001 to 2005
P, difference between 2001 and 2005
All23%19%20%−3%<0.001
White (W)25%20%21%−5%<0.001
Black (B)24%22%20%−4%0.08
Asian (A)19%15%16%−3%0.23
Latino (L)14%17%17%3%0.07
P, comparisons among groupsP < 0.001: WA, WL, BLP < 0.001: WA, BAP < 0.01: WA
P < 0.01: BA, ALP < 0.01: WL, BLP < 0.05: WL
Asian subgroups
    Japanese (J)25%19%19%−6%0.24
    Chinese (C)18%17%18%0%0.96
    Filipino (F)18%11%19%1%0.77
    Vietnamese (V)16%17%10%−6%0.10
    Korean (K)14%7%2%−12%<0.001
P, comparisons among groupsJC (0.09), JF (0.11), JV (0.04), JK (0.01), CF (0.94), CV (0.62), CK (0.26), FV (0.63), FK (0.24), VK (0.47)JC (0.64), JF (0.08), JV (0.67), JK (0.005), CF (0.09), CV (0.94), CK (0.001), FV (0.20), FK (0.30), VK (0.03)JC (0.77), JF (0.95), JV (0.07), JK (<0.001), CF (0.62), CV (0.03), CK (<0.001), FV (0.03), FK (<0.001), VK (0.002)
  • NOTE: *Analyses were conducted using CHIS data with survey replicate weights and survey data procedures for proportion estimation. P values are from Wald tests of hypotheses of equality of two proportions. Sample sizes are provided in Table 1.