Table 3.
Lifetime frequency of marijuana use |
|||||
---|---|---|---|---|---|
Never use | 1–9 times | 10–99 times | ≥100 times | p for trenda | |
Prediabetes | |||||
No. cases/n | 275/548 | 329/660 | 333/692 | 473/858 | |
Incidence, per 100,000 person-years | 3,628 | 3,607 | 3,415 | 4,084 | |
Crude HR (95% CI) | 1.00 (ref.) | 0.99 (0.84, 1.16) | 0.93 (0.79, 1.09) | 1.15 (0.99, 1.33) | 0.07 |
Adjusted HR (95% CI)b | 1.00 (ref.) | 1.13 (0.96, 1.34) | 1.21 (1.00, 1.45) | 1.39 (1.13, 1.71) | <0.01 |
Adjusted HR (95% CI)c | 1.00 (ref.) | 1.13 (0.95, 1.33) | 1.21 (1.00, 1.45) | 1.40 (1.13, 1.72) | <0.01 |
Diabetes | |||||
No. cases/n | 81/625 | 79/738 | 85/774 | 106/1,014 | |
Incidence per 100,000 person-years | 811 | 667 | 685 | 649 | |
Crude HR (95% CI) | 1.00 (ref.) | 0.82 (0.60, 1.11) | 0.84 (0.62, 1,14) | 0.78 (0.59, 1.05) | 0.15 |
Adjusted HR (95% CI)b | 1.00 (ref.) | 0.94 (0.68, 1.29) | 1.28 (0.90, 1.83) | 1.10 (0.74, 1.64) | 0.45 |
Adjusted HR (95% CI)c | 1.00 (ref.) | 0.93 (0.68, 1.29) | 1.30 (0.91, 1.86) | 1.16 (0.77, 1.74) | 0.32 |
A test for linear trend across marijuana use category
Adjusted for Y7 covariate values for age, sex, race, smoking, alcohol, education, field centre, diet quality, physical activity, SBP, LDL-cholesterol, HDL-cholesterol, medication use and use of other illicit drugs
As for the model described above, with the addition of BMI, BMI2 and WC