Association between socioeconomic variables and the probability of FOBT participation in 2005 and 2010: unadjusted† and adjusted ORs
| Socioeconomic variable | FOBT 2005 | FOBT 2010 | P-trend 2005–2010‡ | ||||||
| (n=1222) | (n=1425) | ||||||||
| Unadjusted OR | (95% CI) | Adjusted OR | (95% CI) | Unadjusted OR | (95% CI) | Adjusted OR | 95% CI | ||
| Occupation | 0.372 | ||||||||
| Manager | 1.00 | 1.0 | 1.00 | 1.0 | |||||
| Farmer | 0.57 | (0.29 to 1.10) | 0.61 | (0.31 to 1.21) | 0.97 | (0.46 to 2.05) | 0.72 | (0.32 to 1.61) | |
| Self-employed | 0.78 | (0.46 to 1.31) | 0.70 | (0.41 to 1.20) | 0.82 | (0.51 to 1.31) | 0.80 | (0.48 to 1.32) | |
| Professional | 0.83 | (0.57 to 1.23) | 0.90 | (0.60 to 1.34) | 0.85 | (0.60 to 1.20) | 0.94 | (0.65 to 1.37) | |
| Employee | 0.66 | (0.45 to 0.96)* | 0.83 | (0.60 to 1.24) | 0.78 | (0.54 to 1.12) | 0.99 | (0.66 to 1.50) | |
| Manual worker | 0.67 | (0.44 to 1.03) | 0.69 | (0.44 to 1.07) | 0.66 | (0.45 to 0.96)* | 0.63 | (0.42 to 0.96)* | |
| Other | 0.76 | (0.39 to 1.46) | 0.85 | (0.42 to 1.73) | 0.58 | (0.36 to 0.95)* | 0.71 | (0.41 to 1.23) | |
| Income | 0.114 | ||||||||
| >€1500 | 1.00 | 1.00 | 1.00 | 1.00 | |||||
| €1000–1500 | 0.85 | (0.61 to 1.18) | 0.93 | (0.66 to 1.31) | 0.94 | (0.67 to 1.31) | 1.00 | (0.68 to 1.46) | |
| <€1000 | 0.63 | (0.42 to 0.94)* | 0.62 | (0.39, 0.97)* | 0.89 | (0.62 to 1.29) | 0.99 | (0.64 to 1.52) | |
| RII | 0.54 | (0.31 to 0.93)* | 0.70 | (0.38 to 1.28) | 0.83 | (0.49 to 1.41) | 0.99 | (0.52 to 1.86) | 0.137 |
| Education level | 0.441 | ||||||||
| Superior BAC | 1.00 | 1.00 | 1.00 | 1.00 | |||||
| BAC | 0.79 | (0.50 to 1.24) | 0.85 | (0.53 to 1.34) | 1.21 | (0.81 to 1.83) | 1.25 | (0.80 to 1.95) | |
| Inferior BAC | 0.77 | (0.58 to 1.04) | 0.75 | (0.55 to 1.02) | 0.99 | (0.74 to 1.34) | 0.94 | (0.68 to 1.30) | |
| RII | 0.67 | (0.41 to 1.09) | 0.69 | (0.42 to 1.14) | 0.90 | (0.56 to 1.45) | 0.81 | (0.48 to 1.35) | 0.466 |
| Employment | 0.800 | ||||||||
| Employed | 1.00 | 1.00 | 1.00 | 1.00 | |||||
| Unemployed | 0.86 | (0.40 to 1.88) | 1.09 | (0.49 to 2.40) | 0.68 | (0.37 to 1.27) | 0.86 | (0.45 to 1.66) | |
| Inactive | 1.45 | (1.12 to 1.88)* | 1.18 | (0.83 to 1.67) | 1.58 | (1.25 to 1.99)*** | 1.14 | (0.82 to 1.58) | |
| Complementary health insurance | 0.485 | ||||||||
| Yes | 1.00 | 1.00 | 1.00 | 1.00 | |||||
| No | 0.50 | (0.25 to 0.97)* | 0.53 | (0.26 to 1.05) | 0.65 | (0.40 to 1.05) | 0.81 | (0.47 to 1.38) | |
| Basic health insurance | 0.388 | ||||||||
| Yes | 0.70 | (0.43 to 1.16) | 0.75 | (0.47 to 1.22) | 1.03 | (0.69 to 1.54) | 1.06 | (0.68 to 1.65) | |
| No | 1.00 | 1.00 | 1.00 | 1.00 | |||||
↵*P<0.05, ***P<0.001.
†Adjusted on the covariates: age, region, alcohol consumption, smoking status, close relative with cancer and living in couple.
‡Calculated using a two-way interaction term composed of socioeconomic variable of interest and survey year dummy variable (2010 vs 2006).
BAC, Baccalauréat (high-school diploma); FOBT, faecal occult blood test; RII, relative inequality index.