Table 1.
Demographic Characteristics
| Variable | Placebo (n=319) | Sumatriptan-naproxen (n=302) |
|---|---|---|
| Age, mean (median) | 37 (38) | 36 (37) |
| Race | ||
| White | 289 (91%) | 261 (86%) |
| Other | 30 (9%) | 41 (14%) |
| Birth control methods | ||
| Oral contraceptive | 93 (29%) | 93 (31%) |
| Intrauterine contraceptive device | 7 (2%) | 16 (5%) |
| Depot contraceptive: implants/injectables | 4 (1%) | 4 (1%) |
| Spermicide+physical barrier | 68 (21%) | 54 (18%) |
| Physical barrier: condom/diaphragm | 32 (10%) | 26 (9%) |
| Abstinence | 57 (18%) | 56 (19%) |
| Sterilization of male partner | 51 (16%) | 34 (11%) |
| Other | 22 (7%) | 21 (7%) |