TABLE 5.
RRs and 95% CIs of type 2 diabetes in participants in the Nurses' Health Study II by current low-fat and high-fat dairy product intake
| Quintile of dairy intake |
||||||
| 1 | 2 | 3 | 4 | 5 | P-trend | |
| Low-fat dairy foods1 | ||||||
| Median intake (daily servings/1000 kcal) | 0.18 | 0.44 | 0.66 | 0.96 | 1.44 | |
| No. of cases | 134 | 130 | 105 | 96 | 85 | |
| Person-years | 57,852 | 58,013 | 58,077 | 58,233 | 58,529 | |
| Model [RR (95% CI)]2 | ||||||
| 1 | 1.00 | 0.97 (0.76, 1.24) | 0.78 (0.61, 1.01) | 0.74 (0.56, 0.96) | 0.67 (0.51, 0.88) | 0.0007 |
| 2 | 1.00 | 0.95 (0.74, 1.22) | 0.80 (0.61, 1.03) | 0.77 (0.59, 1.01) | 0.76 (0.58, 1.01) | 0.02 |
| 3 | 1.00 | 0.99 (0.77, 1.27) | 0.85 (0.65, 1.11) | 0.82 (0.62, 1.07) | 0.78 (0.59, 1.03) | 0.04 |
| 4 | 1.00 | 0.99 (0.76, 1.27) | 0.86 (0.65, 1.13) | 0.82 (0.61, 1.09) | 0.74 (0.54, 1.01) | 0.03 |
| High-fat dairy foods3 | ||||||
| Median intake (daily servings/1000 kcal) | 0.19 | 0.33 | 0.47 | 0.66 | 1.14 | |
| No. of cases | 114 | 126 | 105 | 111 | 88 | |
| Person-years4 | 57,583 | 57,539 | 57,520 | 57,553 | 57,539 | |
| Model [RR (95% CI)]2 | ||||||
| 1 | 1.00 | 1.10 (0.85, 1.42) | 0.94 (0.72, 1.23) | 1.00 (0.77, 1.30) | 0.77 (0.58, 1.01) | 0.03 |
| 2 | 1.00 | 1.01 (0.78, 1.31) | 0.85 (0.65, 1.12) | 0.95 (0.73, 1.24) | 0.76 (0.57, 1.01) | 0.04 |
| 3 | 1.00 | 1.02 (0.79, 1.33) | 0.87 (0.66, 1.15) | 0.99 (0.75, 1.29) | 0.79 (0.59, 1.06) | 0.08 |
| 4 | 1.00 | 0.99 (0.76, 1.29) | 0.83 (0.62, 1.10) | 0.91 (0.69, 1.20) | 0.72 (0.53, 0.99) | 0.03 |
Includes skim/low-fat milk, sherbet, yogurt, and cottage/ricotta cheese.
Model 1 was adjusted for age. Model 2 was adjusted as for model 1 plus BMI and total energy intake. Model 3 was adjusted as for model 2 plus family history of diabetes, smoking status, physical activity, alcohol use, oral contraceptive use, and hormone replacement therapy. Model 4 was adjusted as for model 3 plus polyunsaturated:saturated fat ratio, glycemic load, and intakes of cereal fiber, trans fat, processed meat, carbonated soft drinks, fruit drinks, coffee, and low- or high-fat dairy products.
Includes whole milk, cream, sour cream, cream cheese, other cheeses, ice cream, and butter.
Category for missing has 6 cases and 2969 person-years.