TABLE 3.
RRs of self-reported type 2 diabetes by homocysteine-lowering intervention according to other randomized treatment assignment groups in the WAFACS
| Subgroups | Number of events/number of participants (%) |
RR (95% CI) |
||
|---|---|---|---|---|
| Active group | Placebo group | Age-adjusted model* | P value for interaction | |
| Vitamin C | ||||
| Active | 114/1,059 (0.11) | 119/1,059 (0.11) | 0.95 (0.74–1.23) | 0.86 |
| Placebo | 131/1,073 (0.12) | 140/1,061 (0.13) | 0.92 (0.73–1.17) | |
| Vitamin E | ||||
| Active | 132/1,067 (0.12) | 140/1,038 (0.13) | 0.91 (0.72–1.16) | 0.77 |
| Placebo | 113/1,065 (0.11) | 119/1,082 (0.11) | 0.96 (0.74–1.24) | |
| β-carotene | ||||
| Active | 113/1,077 (0.10) | 128/1,040 (0.12) | 0.83 (0.65–1.07) | 0.21 |
| Placebo | 132/1,055 (0.13) | 131/1,080 (0.12) | 1.04 (0.82–1.33) | |
*Adjusted for age and two randomized assignments other than stratified groups.