Table 3.
Model 0
|
Model 1
|
Model 2
|
Model 3
|
Model 4
|
Model 5
a |
|||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
β | 95% CI | β | 95% CI | β | 95% CI | β | 95% CI | β | 95% CI | β | 95% CI | |
Survey | ||||||||||||
EU-SILC | 1 | 1 | 1 | 1 | 1 | 1 | ||||||
SHARE | 8.22 | 4.83 to 11.61 | 9.10 | 5.50 to 12.69 | 3.80 | −0.92 to 8.51 | 7.20 | 3.61 to 10.80 | 9.61 | 5.84 to 13.39 | 6.96 | 3.14 to 10.8 |
ESS | 0.16 | −3.23 to 3.55 | 0.84 | −2.63 to 4.32 | −4.77 | −9.80 to 0.25 | −0.13 | −3.80 to 3.54 | 0.69 | −2.77 to 4.14 | −3.12 | −7.11 to 0.86 |
Response | 0.08 | −0.05 to 0.20 | 0.13 | 0.02 to 0.24 | ||||||||
Sample size (*1000) | −0.65 | −1.17 to − 0.14 | −0.79 | −1.19 to − 0.40 | ||||||||
Sampling strategy | ||||||||||||
Simple random, national records | 1 | |||||||||||
Multi-stage, regional/local records | 1.44 | −6.27 to 9.15 | ||||||||||
Single/multi-stage, telephone records | 3.00 | −4.90 to 10.89 | ||||||||||
Other | −4.19 | −11.77 to 3.39 | ||||||||||
Survey mode | ||||||||||||
CAPI | 1 | 1 | ||||||||||
CATI | 3.88 | −2.56 to 10.33 | 6.71 | 1.03 to 12.39 | ||||||||
PAPI | 4.33 | −0.10 to 8.76 | 5.36 | 1.63 to 9.10 | ||||||||
Self-administered | −6.81 | −15.32 to 1.70 | −3.03 | −6.63 to 3.58 | ||||||||
Constant | 59.49 | 54.20 | 65.70 | 59.05 | 58.10 | 55.40 | ||||||
Variance (country) | 49.07 | 50.21 | 36.97 | 49.86 | 42.54 | 31.86 | ||||||
Variance (residual) | 14.99 | 13.95 | 13.00 | 13.66 | 11.17 | 6.25 | ||||||
ICC | 0.77 | 0.78 | 0.74 | 0.78 | 0.79 | 0.84 |
a Sampling strategy did not statistically significantly contribute to this fully-adjusted model, and was therefore dropped.