Association between routinely administered childhood vaccines and incident type 1 diabetes mellitus in Danish children at a mean age of 6.4 years*
| Vaccine | Rate ratio (95% CI) | |
|---|---|---|
| All children† | Children with ⩾1 sibling with type 1 diabetes‡ | |
| *Rate ratios (comparing rates in children vaccinated with ⩾1 dose v unvaccinated) show that all associations are not significant; CI defined in glossary. | ||
| †Rate ratios adjusted for age, calendar period, and sex. | ||
| ‡Rate ratios adjusted for age, calendar period, sex, and number of siblings. | ||
| Haemophilus influenza type b | 0.91 (0.74 to 1.12) | 1.38 (0.58 to 3.31) |
| Diphtheria, tetanus, and inactivated poliovirus | 1.02 (0.75 to 1.37) | 3.03 (0.41 to 22.63) |
| Diphtheria, tetanus, acellular pertussis, and inactivated poliovirus | 0.96 (0.71 to 1.30) | 1.36 (0.50 to 3.70 |
| Whole cell pertussis | 1.06 (0.80 to 1.40) | 1.68 (0.39 to 7.19) |
| Measles, mumps, and rubella | 1.14 (0.90 to 1.45) | 0.86 (0.34 to 2.14) |
| Oral poliovirus | 1.08 (0.74 to 1.57) | 2.01 (0.46 to 8.71) |