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FTFI reports compared to other modes
| Comparison mode | Comparison survey | Measure | How often FTFI study means are higher | |
|---|---|---|---|---|
| Males (%) | Females (%) | |||
| SAQ | NCHRBS only | Life, topcoded | 63 | 19 |
| GSS only | Year, topcoded | 78 | 56 | |
| Phone | BRFS only | Year | 89 | 70 |
Note: FTFI surveys include NHSLS, NSFG and NSM/W, as appropriate for each sex. Percentages based on comparing cell means across modes within each demographic index category
