Distribution of worries in 667 children who assented and in 417 who dissented to a non-therapeutic study
| Assent n (%) | Dissent n (%) | Statistical comparison* | |
|---|---|---|---|
| *Pearson’s χ2 test. | |||
| I worried about having a blood sample taken | |||
| Yes | 305 (46) | 193 (46) | |
| No | 362 (54) | 224 (54) | 0.01; df = 1; p = 0.90 |
| I worried about having a urine sample taken | |||
| Yes | 127 (19) | 94 (26) | |
| No | 540 (81) | 323 (78) | 1.7; df = 1; p = 0.19 |
| I worried about undergoing a doctor’s examination | |||
| Yes | 166 (25) | 136 (33) | |
| No | 501 (75) | 281 (67) | 7.3; df = 1; p = 0.01 |