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Table 2 Descriptive Statistics of the Complete Samplea

From: The roll-out of a health insurance program and its impact on the supply of healthcare services: a new method to evaluate time-varying continuous interventions

Variable   Mean Std. Dev. Min Max Observations
Exposure Overall 0.08 0.10 -0.39 0.77 N= 2796
  Between   0.01 0.03 0.12 n=233
  Within   0.10 -0.40 0.76 T= 12
Cumulative exposure Overall 0.39 0.34 0.00 1.27 N= 2796
  Between   0.14 0.08 0.89 n=233
  Within   0.31 -0.50 1.13 T= 12
Doctors’ offices Overall 0.59 0.37 0.15 3.25 N= 2796
  Between   0.36 0.16 3.02 n=233
  Within   0.09 -0.07 1.98 T= 12
Staffed hospital beds Overall 0.65 0.86 0.00 9.70 N= 2796
  Between   0.85 0.00 6.57 n=233
  Within   0.18 -1.72 4.31 T= 12
Non-staffed hospital beds Overall 0.60 0.47 0.00 5.18 N= 2796
  Between   0.38 0.06 3.55 n=233
  Within   0.27 -0.63 3.04 T= 12
Physicians in day-to-day contact with patients Overall 1.28 1.13 0.22 11.38 N= 2796
  Between   1.10 0.30 10.51 n=233
  Within   0.25 -1.06 3.75 T= 12
Physicians without day-to-day contact with patients Overall 0.10 0.17 0.00 2.22 N= 2796
  Between   0.16 0.01 1.52 n=233
  Within   0.05 -0.49 1.18 T= 12
Nurses in day-to-day contact with patients Overall 1.65 1.60 0.11 17.03 N= 2796
  Between   1.57 0.28 14.29 n=233
  Within   0.32 -1.20 4.38 T= 12
Nurses without day-to-day contact with patients Overall 0.10 0.14 0.00 1.35 N= 2796
  Between   0.12 0.00 1.14 n=233
  Within   0.06 -0.35 1.00 T= 12
  1. Source: Own elaboration based on data from the National Health Information System (SINAIS) and the administrative records of Seguro Popular
  2. aThe table shows the standard deviation decomposed into between $\left (\overline {x}_{i}\right)$ and within $\left (x_{it}-\overline {x}_{i}+\overline {\overline {x}}\right)$ components