Table 5 Associations between internet use and health service utilization using different matching methods
Variables | Matching methods | Treated | Control | ATT | SE | T-value |
|---|---|---|---|---|---|---|
Outpatient care utilization | One-to-one nearest-neighbor matching | 0.495 | 0.517 | -0.022 | 0.023 | -0.98 |
One-to-four nearest-neighbor matching | 0.495 | 0.496 | -0.001 | 0.019 | -0.05 | |
Kernel matching | 0.495 | 0.506 | -0.011 | 0.017 | -0.63 | |
Hospital admission | One-to-one nearest-neighbor matching | 0.188 | 0.242 | -0.054 * | 0.019 | -2.80 |
One-to-four nearest-neighbor matching | 0.188 | 0.242 | -0.054 * | 0.016 | -3.38 | |
Kernel matching | 0.188 | 0.254 | -0.065 * | 0.015 | -4.32 | |
Number of hospital admissions | One-to-one nearest-neighbor matching | 0.292 | 0.405 | -0.113 * | 0.039 | -2.87 |
One-to-four nearest-neighbor matching | 0.292 | 0.385 | -0.093 * | 0.033 | -2.81 | |
Kernel matching | 0.292 | 0.397 | -0.105 * | 0.031 | -3.37 |