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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