Quality appraisal scoring system
| Dimensions of quality appraisal | Codes | Points awarded |
| Methodology | ||
| Representative sampling strategy | A | 1 |
| Sample size ≥500 | B | 1 |
| Response rate >75% | C | 1 |
| Low recall bias on TCAM use within the past 12 months or less | D | 1 |
| Reporting participants’ characteristics | ||
| Age | E | 1 |
| Gender | F | 1 |
| Socioeconomic status (income or education) | G | 1 |
| Ethnicity/tribe | H | 1 |
| Location (urban or rural or district or region) | I | 1 |
| Reporting TCAM use | ||
| Definition of TCAM to respondents | J | 1 |
| Assessed use of TCAM | K | 1 |
| Type of TCAM | L | 1 |
| Total | 12 |
TCAM, traditional, complementary and alternative medicine.