Table 1 Distribution of select characteristics and MTR and MTHFR polymorphisms in the study population
| Â | Â | Categories | N | Percentage (%) |
|---|---|---|---|---|
Select characteristics | Sex | Female | 318 | 55.8 |
Male | 252 | 44.2 | ||
Age | 20–29 | 207 | 36.3 | |
30–39 | 165 | 29.0 | ||
40–49 | 198 | 34.7 | ||
Study center | Kingston, Canada | 233 | 40.9 | |
Halifax, Canada | 266 | 46.6 | ||
Ottawa, Canada | 71 | 12.5 | ||
Ethnicity | Caucasian | 490 | 86.0 | |
Other | 80 | 14.0 | ||
Genotypes | MTR | AA | 363 | 63.7 |
GA | 192 | 33.7 | ||
GG | 15 | 2.6 | ||
MTHFRa | CC | 234 | 41.3 | |
CT | 251 | 44.4 | ||
TT | 81 | 14.3 |