Table 1. Multivariable multilevel logistic regression of factors associated with adherence to repeat testing in the CRC screening programme (i.e., ‘compliant participants' vs ‘occasional participants', Haut-Rhin, France 2007–2010, n=61 386).
| |
Full multilevel model |
||
|---|---|---|---|
| Empty model | ORa (95% CI) | P-valuea | |
|
Fixed effects | |||
| Level 1: individual | |||
| Gender | 0.0001 | ||
| Women | 1.00 | ||
| Men |
|
0.90 (0.86–0.94) |
|
| Age (years) | <0.0001 | ||
| 50–54 | 1.00 | ||
| 55–59 | 1.32 (1.23–1.43) | ||
| 60–64 | 1.58 (1.46–1.71) | ||
| 65–69 | 1.75 (1.61–1.90) | ||
| 70–74 |
|
1.95 (1.79–2.13) |
|
| Health insurance plan | <0.0001 | ||
| General plan | 1.00 | ||
| Self-employed plan | 0.85 (0.76–0.95) | ||
| Agricultural plan | 1.05 (0.95–1.17) | ||
| Special plan | 1.43 (1.27–1.60) | ||
| Civil service plan |
|
1.21 (1.13–1.30) |
|
| Source of invitation | <0.0001 | ||
| 1.00 | |||
| General practitioner |
|
10.73 (10.01–11.50) |
|
| Level 2: area | |||
| EDI (deprivation index) | <0.0001 | ||
| Quintile 1 (least deprived) | 1.00 | ||
| Quintile 2 | 1.05 (0.98–1.12) | ||
| Quintile 3 | 1.00 (0.93–1.08) | ||
| Quintile 4 | 1.04 (0.96–1.13) | ||
| Quintile 5 (most deprived) |
|
0.75 (0.70–0.80) |
|
| Rural/urban areas | 0.0409 | ||
| Rural | 1.00 | ||
| Urban |
|
0.94 (0.88–1.00) |
|
|
Random effects | |||
| Level 2 variance (s.e.) | 0.2709 (0.0559) | 0.1133 (0.0366) | |
Abbreviations: CRC=colorectal cancer; ORa=odds ratio adjusted for all the parameters listed in the table; 95% CI=95% confidence interval; EDI=European Deprivation Index
a
P, P-trend for ordinal variables; P of heterogeneity for nonordinal variables.