Table 6.
Multivariate logistic regression models of the relationship between perceived ambiguity and cancer‐specific risk‐related behaviours, by cancer type (2005 Health Information National Trends Survey)*
| Variables | Colon cancer | Skin cancer | Lung cancer | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Colonoscopy/sigmoidoscopy (n = 1085) | Faecal occult blood testing (n = 1090) | Sunscreen use (n = 998) | Lifetime history of smoking 100 cigarettes‡ (n = 1263) | Current smoking in ever smokers‡ (n = 655) | |||||||||||
| OR | 95% CI | P‐value† | OR | 95% CI | P‐value† | OR | 95% CI | P‐value† | OR | 95% CI | P‐value† | OR | 95% CI | P‐value† | |
| Age | |||||||||||||||
| 40–49 | 1.00 | <0.001 | 1.00 | <0.001 | 1.00 | 0.944 | 1.00 | 0.013 | 1.00 | <0.001 | |||||
| 50–59 | 5.26 | 3.07–9.02 | 1.68 | 0.83–3.37 | 1.03 | 0.71–1.50 | 1.41 | 0.87–2.28 | 0.41 | 0.24–0.69 | |||||
| 60–69 | 12.69 | 6.57–24.53 | 4.56 | 2.12–9.81 | 0.89 | 0.55–1.42 | 2.04 | 1.28–3.27 | 0.42 | 0.22–0.81 | |||||
| 70+ | 14.16 | 7.36–27.23 | 6.15 | 3.03–12.48 | 0.94 | 0.58‐1.52 | 1.27 | 0.80–2.02 | 0.14 | 0.06–0.30 | |||||
| Education level | |||||||||||||||
| Less than high school | 1.00 | 0.002 | 1.00 | 0.015 | 1.00 | <0.001 | 1.00 | 0.093 | 1.00 | <0.001 | |||||
| High school graduate | 1.80 | 1.01–3.22 | 1.45 | 0.81–2.59 | 3.37 | 1.79–6.35 | 0.71 | 0.38–1.34 | 0.97 | 0.46–2.06 | |||||
| Some college | 1.93 | 1.07–3.49 | 1.76 | 1.05–2.94 | 3.63 | 1.81–7.29 | 0.62 | 0.32–1.21 | 0.42 | 0.18–0.98 | |||||
| College graduate | 3.31 | 1.76–6.23 | 2.03 | 1.29–3.20 | 6.49 | 3.47–12.15 | 0.55 | 0.31–0.95 | 0.27 | 0.12–0.62 | |||||
| Race | |||||||||||||||
| White | 1.00 | 0.040 | 1.00 | 0.141 | 1.00 | <.001 | 1.00 | 0.937 | 1.00 | 0.408 | |||||
| Black | 0.45 | 0.24–0.87 | 0.93 | 0.40–2.13 | 0.20 | 0.10–0.40 | 0.96 | 0.51–1.80 | 0.82 | 0.39–1.72 | |||||
| Others | 1.00 | 0.44–2.25 | 0.42 | 0.16–1.06 | 0.61 | 0.25–1.50 | 1.10 | 0.48–2.54 | 1.60 | 0.68–3.78 | |||||
| Gender | |||||||||||||||
| Female | 1.00 | 0.387 | 1.00 | 0.613 | 1.00 | <0.001 | 1.00 | <0.001 | 1.00 | 0.254 | |||||
| Male | 0.85 | 0.59–1.23 | 1.09 | 0.78–1.52 | 0.38 | 0.27–0.53 | 2.08 | 1.40–3.10 | 0.76 | 0.46–1.23 | |||||
| Perceived ambiguity | |||||||||||||||
| Low | 1.00 | 0.018 | 1.00 | 0.066 | 1.00 | 0.044 | 1.00 | 0.164 | 1.00 | 0.015 | |||||
| High | 0.59 | 0.38–0.92 | 0.80 | 0.57–1.13 | 0.68 | 0.47–1.00 | 1.22 | 0.92–1.61 | 1.85 | 1.11–3.07 | |||||
*Total sample N = 1414; separate models fitted for each cancer type and behaviour; decreased and unequal ‘n’ for individual models (indicated in parentheses) because of excluded and missing data.
†For Wald chi‐squared test of association.
‡Analysis using ordinal regression.