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Percentage distribution of the self-rating scale of ring adherence at the product use exit visit
| Total | Age 18–21 | Age ≥22 | |
|---|---|---|---|
| Excellent | 50.5% (499) | 46.1% (82) | 51.4% (417) |
| Very good | 19.0% (188) | 16.3% (29) | 19.6% (159) |
| Good | 25.9% (256) | 34.8% (62) | 23.9% (194) |
| Fair | 3.7% (37) | 2.8% (5) | 3.9% (32) |
| Poor | 0.3% (3) | 0% (0) | 0.4% (3) |
| Very poor | 0.6% (6) | 0% (0) | 0.7% (6) |
| N | 989 | 178 | 811 |
Visits with self-rating scale, plasma and residual ring data
