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Table 2 Results of a linear regression model of quality of care at the facility level in Ethiopia, 2014, N = 424

From: Patient volume and quality of primary care in Ethiopia: findings from the routine health information system and the 2014 Service Provision Assessment survey

  Coefficient a 95% CI p-value
Facility characteristics
 Daily outpatient volume b
  Less than 90.6 0.78 (0.24, 1.32) 0.005**
  90.6 + − 2.34 (−4.18, − 0.50) 0.013*
 Number of primary care staff c −0.01 (− 0.04, 0.03) 0.702
 Basic equipment d 2.01 (0.68, 3.35) 0.003**
 Essential medicine index e 4.36 (−0.69, 9.41) 0.090
 Urban location −0.98 (−2.63, 0.66) 0.241
 Facility type
  General hospital ref.   
  Primary hospital −0.16 (−2.65, 2.34) 0.901
  Health center −0.65 (−3.02, 1.73) 0.592
 R-squared 0.1518   
  1. a Model includes 11 region fixed effects (not shown).
  2. b Linear spline with one knot at 90.6 outpatients per day. The estimated difference represents a 100% increase (doubling) in volume.
  3. c Includes medical doctors, health officers and nurses.
  4. d Binary indicator for the availability of at least one functional among: scale, pediatric scale, thermometer, stethoscope, BP apparatus and exam light.
  5. e Average of 19 essential medicines listed in supplementary materials.
  6. * p-value ≤0.05 ** p- value ≤0.01