# Table 5 Linear regression model of the relationship between risk factors and the Log 10 cost burden for one pediatric diarrheal episode, in a sample of 551 Bolivian children seeking care for acute diarrhea, 2007 - 2009

N β Standard error P β Standard error P β Standard error P
Demographics
Male child 544 0.136 0.060 0.02 0.019 0.074 0.80 0.019 0.074 0.80
Age of child (months) 518 −0.006 0.003 0.08 −0.000 0.004 0.97 −0.000 0.004 0.97
Number of people in household 518 −0.000§ 0.013 1.00 −0.010 0.016 0.53 −0.010 0.016 0.53
Rural residence 452 0.258 0.088 <0.01 0.145 0.097 0.14 0.145 0.097 0.14
Hospital 530
Albina Patiño (Private)   0.471 0.058 <0.01 0.493 0.073 <0.01 0.494 0.073 <0.01
All Others (Public, Reference)   - - - - - - - - -
Treatment-Seeking Behavior
Sought treatment at least once previously to current visit 462 0.764 0.080 <0.01 0.438 0.093 <0.01 0.438 0.093 <0.01
Number of modes of transportation taken to current visit 424 0.113 0.072 0.12 0.128 0.076 0.09 0.128 0.076 0.09
Number of days child had diarrhea prior to current visit 507 0.012 0.004 <0.01 0.024 0.007 <0.01 0.024 0.007 <0.01
Severity of illness
Child was an outpatient 545 −0.424 0.057 <0.01 −0.402 0.109 <0.01 −0.402 0.109 <0.01
Child presented with at least one complicationδ 542 0.346 0.058 <0.01 0.121 0.114 0.29 0.121 0.114 0.29
Child’s first episode of diarrhea 460 −0.043 0.070 0.54 0.085 0.080 0.29 0.085 0.080 0.29
Interaction term
Number of days with diarrhea (1-unit change) x at least one complication   - - - −0.033 0.015 0.03 £ −0.034 0.015 0.03 £
1. *Second adjusted model excludes direct non-medical costs of diapers and extra food. P < 0.05. β = −0.0002. §β = −0.00003. δComplications defined as at least one of the following, as diagnosed by the attending physician: electrolyte disorder, electrolyte imbalance, hypokalemia, metabolic acidosis, anemia, malnutrition, acute respiratory infection, bronchopneumonia, intussusception, dehydration, or any other unnamed complication. £P-value associated with the overall interaction coefficient. Italicized text indicates p < 0.05.