Table 1. Parameter and data sources.
| parameter | Distribution of assumption factors* | Data source | ||
| Seasonal influenza (2007–2009 Seasons) | H1N1 Influenza 2009 (2009–2010 Season) | |||
| Direct costs | ||||
| Direct medical costs | ||||
| Medical costs of inpatient and outpatient | Total medical cost | HIRA data | HIRA data | |
| Stockpile antivirals | Total cost of antiviral | - | NHIC data | |
| Direct non-medical costs | ||||
| Transport costs of inpatient | Number of visits to inpatient | HIRA data | HIRA data | |
| Return fare | Normal (Mean = 19.2, SD = 1.92) | KNHNES | KNHNES | |
| Transport costs of outpatient | Number of visits to outpatient | HIRA data | HIRA data | |
| Return fare | Normal (Mean = 15.5, SD = 1.55) | KNHNES | KNHNES | |
| Indirect costs | ||||
| Productivity losses due to morbidity of inpatient | Number of visits to inpatient & Duration of hospitalization | HIRA data | HIRA data | |
| Average daily earnings & Employment-population ratio | KOSIS data | KOSIS data | ||
| Productivity losses due to morbidity of outpatient | Number of visits to outpatient | HIRA data | HIRA data | |
| Duration of sick leave | Seasonal influenza: Uniform (Range: 0.5–4.5); H1N1 Influenza 2009: Negative binomial (Probability = 0.7166, Shape = 5) | Literature review | Mailing survey | |
| Average daily earnings & Employment-population ratio | KOSIS data | KOSIS data | ||
| Productivity losses of caregiver | Duration of sick leave | Seasonal influenza: Uniform (Range: 0.5–4.5); H1N1 Influenza 2009: Negative binomial (Probability = 0.7166, Shape = 5) | Literature review | Mailing survey |
| Female average daily earnings & Employment-population ratio | KOSIS data | KOSIS data | ||
| Productivity losses due to premature mortality | Mortality data | KOSIS data | KCDC surveillance data | |
| Life expectancy & Average annual earnings | KOSIS data | KOSIS data | ||
| Prevention strategy | ||||
| Execution of the budget | Execution of the budget regarding pandemic (H1N1) 2009 | - | KNAB | |
| Protective equipment | Price of prevention equipment | Uniform (Range: 0.47–4.7) | - | Literature review |
| Probability of purchasing | Normal (Mean = 0.325, SD = 0.03) | - | Literature review | |
*Uncertainty of the data was explored through probabilistic sensitivity analysis using Monte Carlo simulation.