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Table 7 Association between paediatric outpatient malaria visits and paediatric malaria admissions

From: Association between malaria control and paediatric blood transfusions in rural Zambia: an interrupted time-series analysis

  Dependent variable: paediatric malaria admissions Dependent variable: paediatric admissions for severe malarial anaemia
  (1) (2) (3) (4)
Paediatric outpatient malaria visits 0.30*** 0.31*** 0.05*** 0.05***
  (0.04) (0.06) (0.01) (0.01)
Paediatric outpatient malaria visits X period 2004-2008   0.13   0.06**
   (0.11)   (0.03)
Period 2004–2008 (dummy variable)   −11.80   −3.10
   (27.09)   (7.81)
Constant 5.77 9.28 2.43 2.14
  (8.29) (24.67) (3.06) (8.29)
Observations 66 66 66 66
Mean of dependent variable 56.00 56.00 9.14 9.14
Wald Chi-Squared 1.31e + 11 1.38e + 12 161.61 594.00
  1. *Significant at 10%; **significant at 5%; ***significant at 1%. Coefficient standard errors are noted in parentheses.
  2. Regressions use an autoregressive-moving-average model with 2 lags and robust standard errors. We control for the month of the year in all regressions to account for seasonal correlations. Period 2004–2008 variable is a dummy variable that takes on a value of 1 for the years 2004–2008, and 0 otherwise.