Table 2.
Prevalence estimates and standardized distances to the reference population for external covariates
| Reference population (%) |
Dual-frame: combined (d*) |
Single-frame: cell phone (d*) |
|
|---|---|---|---|
| Sample size | 25,319 | 15,602 | |
| Professional status (Labor Survey) (1) | 8.0 | 7.8 | |
| Employed | 58.7% | −6.1 | −4.3 |
| Student | 5.0% | 9.2 | 8.0 |
| Unemployed | 6.2% | 11.6 | 12.0 |
| Retired/inactive | 30.2% | −5.3 | −6.9 |
| Socio-professional group (Labor Survey) (2) | 2.9 | 2.8 | |
| Farmer | 1.7% | 0.8 | 0.8 |
| Craftsperson, tradesperson, business owner | 6.3% | 0.0 | 2.4 |
| Executive | 17.2% | −7.1 | −6.3 |
| Intermediate occupations | 25.1% | −1.9 | −1.9 |
| Technicians | 27.9% | 3.1 | 2.7 |
| Blue-collar worker | 21.8% | 4.5 | 3.1 |
| Visit to a family physician in the last year (Health Insurance) (3) | 6.6 | 8.2 | |
| Yes | 85.5% | −6.6 | −8.2 |
| No | 14.5% | 6.6 | 8.2 |
| Mean D (1) (2) (3) | – | 5.8 | 6.3 |
Boldface entries correspond to results summed up at the variable level or to global distribution of the sample (mean D, R-indicator)