Table 3.
The association between dietary zinc intake and the risk of new-onset diabetes
| Zinc intake, mg/d | N | Cases (incidence ratea) | Crude models | Adjusted modelsb | ||
|---|---|---|---|---|---|---|
| HR (95%CI) | P value | HR (95%CI) | P value | |||
| Deciles | ||||||
| <8.9 | 1626 | 111 (8.8) | Ref | Ref | ||
| 8.9-<9.5 | 1626 | 95 (5.7) | 0.62 (0.47-0.81) | <0.001 | 0.67 (0.50-0.91) | 0.009 |
| 9.5-<9.9 | 1625 | 109 (6.3) | 0.68 (0.52-0.88) | 0.004 | 0.74 (0.56-1.00) | 0.046 |
| 9.9-<10.3 | 1626 | 106 (6.2) | 0.67 (0.51-0.87) | 0.003 | 0.74 (0.55-0.99) | 0.042 |
| 10.3-<10.7 | 1625 | 126 (7.6) | 0.82 (0.64-1.06) | 0.139 | 0.94 (0.71-1.25) | 0.677 |
| 10.7-<11.1 | 1626 | 105 (6.2) | 0.66 (0.51-0.86) | 0.002 | 0.76 (0.57-1.02) | 0.069 |
| 11.1-<11.6 | 1626 | 91 (5.6) | 0.61 (0.46-0.81) | <0.001 | 0.74 (0.54-0.99) | 0.046 |
| 11.6-<12.2 | 1625 | 108 (6.4) | 0.70 (0.53-0.91) | 0.008 | 0.79 (0.59-1.06) | 0.122 |
| 12.2-<13.1 | 1626 | 131 (8.4) | 0.92 (0.72-1.19) | 0.525 | 1.15 (0.87-1.53) | 0.320 |
| ≥13.1 | 1626 | 115 (9.0) | 1.03 (0.79-1.33) | 0.836 | 1.36 (1.02-1.81) | 0.037 |
| Categories | ||||||
| Decile 1 (<8.9) | 1626 | 111 (8.8) | 1.47 (1.20-1.80) | <0.001 | 1.29 (1.04-1.62) | 0.024 |
| Deciles 2-8 (8.9-<12.2) | 11379 | 740 (6.3) | Ref | Ref | ||
| Deciles 9-10 (≥12.2) | 3252 | 246 (8.7) | 1.42 (1.23-1.65) | <0.001 | 1.62 (1.38-1.90) | <0.001 |
a Incident rate is presented as per 1000 person-years of follow-up.
b Adjusted for age, sex, body mass index, systolic blood pressure, smoking and drinking status, education, occupation, region, urban or rural residence, as well as energy intake.