TABLE 9.

Estimates of selected variables on indirect effects of COVID‐19 in Spain from integrated data using a new estimation method based on calibration and XGBoost PSA (${\widehat{Y}}_{CPSA-{\alpha }_0-x}$) and direct calibration of the integrated sample (${\widehat{Y}}_{REF}$).

	Individual samples				Integrated sample
	Probability		Nonprobability		${\widehat{Y}}_{CPSA-{\alpha }_0-x}$		${\widehat{Y}}_{REF}$
Variable	Estimation	CI	Estimation	CI	Estimation	CI	Estimation	CI
V7	0.067	0.051–0.083	0.076	0.056–0.096	0.064	0.046–0.082	0.075	0.058–0.092
V8	0.277	0.248–0.305	0.235	0.203–0.267	0.265	0.228–0.303	0.261	0.234–0.288
V9	0.425	0.393–0.456	0.305	0.269–0.340	0.398	0.365–0.431	0.403	0.374–0.431