From: Determinants of catastrophic health expenditures in Iran: a systematic review and meta-analysis
| Determinants of catastrophic health expenditures | Frequency of studies with this factor | |
|---|---|---|
| Increased likelihood of CHE | Decreased likelihood of CHE | |
| Factors related to household characteristics | ||
| Gender of the household head (female) | 6 | |
| Supplementary insurance status (patient) | 5 | |
| Health insurance | 4 | |
| Non-native | 4 | |
| Members over 60 years | 2 | |
| Employment situation of the head of household | 2 | |
| Disease of family members | 2 | |
| Members with special diseases in the household | 1 | |
| Member with chronic illness | 1 | |
| Members under 12 years | 1 | |
| Type of insurance (relief committee–medical services) | 1 | |
| Distance of the residence of the medical center | 1 | |
| Disabled member in household | 1 | |
| Members in need of care | 1 | |
| Education status of patients | 2 | |
| Education status of household head | 1 | 2 |
| Self-employed head of household | 1 | |
| Household size | 4 | 2 |
| Access to safe water | 1 | |
| Age of household head | 2 | 1 |
| Having member < 6 years | 1 | |
| Having member < 14 years | 1 | |
| Marital status of household head (not married head) | 1 | |
| Sex of the patients (male) | 1 | 1 |
| Age (patients) | 1 | 1 |
| Members aged 40–59 years old | 1 | |
| Living in the rural | 1 | 1 |
| Household economic factors | ||
| Household income level | 5 | |
| Wealth index | 4 | |
| Housing ownership | 2 | 2 |
| Economic status | 1 | |
| Having made any out of hospital payments | 1 | |
| Existence of a certain financial sources to get healthcare services | 1 | |
| The factors related to the use of health services | ||
| Frequency of using inpatient services | 3 | |
| Hospitalization day numbers | 2 | |
| Admission to a private hospital | 2 | |
| Use of outpatient services | 1 | |
| Frequency of using outpatient services | 1 | |
| Use of rehabilitation services | 1 | |
| Brand of drug (foreign drugs) | 1 | |
| Refrained from using healthcare services | 1 | |
| Use of dental care | 1 | |
| Type of treatment (chemotherapy) | 1 | |
| Frequency of using dialysis services | 1 | |
| Frequency of using inpatient services | 3 | |