Table 4 Average age, according to type of study (N=79)
From: Motives for participating in a clinical research trial: a pilot study in Brazil
| Type of study | N | Age (average) | Standard deviation | p-value2 |
|---|---|---|---|---|
| < 0.0001 | ||||
| Arthritis/osteoarthritis | 24 | 56.7 | 8.4 | |
| Bioequivalence | 39 | 31.5 | 9.3 | |
| Insomnia | 10 | 48.2 | 12.4 | |
| Other1 | 6 | 43.3 | 9.9 |