TABLE 2.
Characteristics of 151 mothers participating in a study of the efficacy of an information form ond diphtheria-pertussis-tetanus vaccine
| Characteristic | Control group | Study group |
|---|---|---|
| Number | 74 | 77 |
| Age (years, mean ± SD) | 28.5±4.4 | 29.2±4.0 |
| Participation in any vaccine study (%) | 8.1 | 3.8 |
| Years of school (Mean ± SD) | 13.4±2.0 | 13.2±2.1 |
| Number (%) with 12 or more years of school | 67 (91) | 67 (87) |
| Number (%) with college degree | 12 (16) | 14 (18) |
| Number (%) with one child | 22 (30) | 24 (31) |
| Number (%) with two children | 34 (46) | 33 (43) |
| Number (%) with three or more children | 18 (24) | 20 (26) |
| Number (%) born in Canada | 69 (93) | 75 (97) |