Table 3.
Associations of dairy product types and longitudinal insulin resistance in the Rotterdam Studies (n = 6593).
Pooled Effect Estimates | ||||||
---|---|---|---|---|---|---|
Intake Range Categories | Continuous | |||||
Q1 | Q2 | Q3 | Q4 | |||
B | B (95% CI) | B (95% CI) | B (95% CI) | Ptrend | B (95% CI) | |
Total dairy | ||||||
n | 1650 | 1642 | 1647 | 1654 | ||
Median intake | 1.6 | 2.8 | 3.9 | 5.6 | 3.3 | |
Model 1 | ref | 0.01 (−0.03, 0.05) | −0.02 (−0.05, 0.02) | 0.02 (−0.02, 0.06) | 0.37 | 0.00 (−0.01, 0.01) |
Model 2 | ref | 0.02 (−0.02, 0.05) | 0.00 (−0.04, 0.04) | 0.04 (0.00, 0.08) | 0.07 | 0.00 (0.00, 0.01) |
High-fat dairy | ||||||
n | 1644 | 1663 | 1642 | 1644 | ||
Median intake | 0.4 | 1.4 | 2.2 | 3.6 | 1.7 | |
Model 1 | ref | 0.02 (−0.02, 0.06) | −0.03 (−0.07, 0.00) | −0.03 (−0.08, 0.01) | 0.03 * | −0.01 (−0.01, 0.00) |
Model 2 | ref | 0.02 (−0.02, 0.06) | −0.03 (−0.07, 0.01) | −0.03 (−0.07, 0.01) | 0.06 | −0.01 (−0.02, 0.00) |
Low-fat dairy | ||||||
n | 1652 | 1655 | 1655 | 1631 | ||
Median intake | 0.1 | 1 | 1.7 | 3 | 1.3 | |
Model 1 | ref | 0.02 (−0.02, 0.06) | 0.05 (0.02, 0.09) | 0.05 (0.01, 0.09) | 0.01 ** | 0.01 (0.00, 0.02) * |
Model 2 | ref | 0.02 (−0.01, 0.06) | 0.06 (0.03, 0.10) | 0.06 (0.03, 0.10) | 0.0003 *** | 0.02 (0.01, 0.03) ** |
Fermented dairy | ||||||
n | 1653 | 1645 | 1644 | 1651 | ||
Median intake | 1 | 1.8 | 2.7 | 4.2 | 2.2 | |
Model 1 | ref | −0.03 (−0.07, 0.01) | −0.02 (−0.06, 0.02) | −0.04 (−0.08, 0.00) | 0.10 | −0.01 (−0.02, 0.00) |
Model 2 | ref | −0.02 (−0.06, 0.02) | 0.00 (−0.04, 0.04) | −0.01 (−0.05, 0.03) | 0.77 | 0.00 (−0.01, 0.00) |
High-fat fermented dairy | ||||||
n | 1658 | 1625 | 1648 | 1662 | ||
Median intake | 0.2 | 1.1 | 1.8 | 3 | 1.4 | |
Model 1 | ref | 0.02 (−0.02, 0.06) | −0.02 (−0.06, 0.02) | −0.02 (−0.06, 0.02) | 0.22 | 0.00 (−0.01, 0.01) |
Model 2 | ref | 0.02 (−0.02, 0.06) | −0.01 (−0.05, 0.02) | −0.01 (−0.05, 0.03) | 0.49 | 0.00 (−0.01, 0.01) |
Low-fat fermented dairy | ||||||
n | 1718 | 1662 | 1624 | 1589 | ||
Median intake | 0 | 0.3 | 0.9 | 2 | 0.5 | |
Model 1 | ref | 0.04 (0.00, 0.08) | 0.03 (−0.01, 0.06) | 0.00 (−0.04, 0.04) | 0.31 | −0.01 (−0.02, 0.00) |
Model 2 | ref | 0.05 (0.01, 0.08) | 0.04 (0.00, 0.08) | 0.02 (−0.01, 0.06) | 0.70 | 0.00 (−0.01, 0.01) |
Total milk | ||||||
n | 1633 | 1627 | 1752 | 1581 | ||
Median intake | 0.1 | 0.8 | 1.3 | 2.4 | 1.0 | |
Model 1 | ref | 0.03 (−0.01, 0.07) | 0.03 (−0.01, 0.07) | 0.05 (0.01, 0.09) | 0.02 * | 0.01 (0.00, 0.02) |
Model 2 | ref | 0.03 (−0.01, 0.07) | 0.03 (0.00, 0.07) | 0.05 (0.01, 0.09) | 0.02 * | 0.01 (0.00, 0.02) |
High-fat milk | ||||||
n | 3278 | 942 | 1146 | 1227 | ||
Median intake | 0 | 0.05 | 0.2 | 0.9 | 0.003 | |
Model 1 | ref | 0.01 (−0.03, 0.05) | −0.02 (−0.05, 0.02) | 0.00 (−0.04, 0.04) | 0.46 | −0.02 (−0.04, 0.00) |
Model 2 | ref | 0.00 (−0.04, 0.04) | −0.03 (−0.06, 0.01) | 0.00 (−0.04, 0.03) | 0.46 | −0.02 (−0.04, 0.00) |
Low-fat milk | ||||||
n | 1736 | 1604 | 1620 | 1633 | ||
Median intake | 0 | 0.5 | 1.1 | 2.2 | 0.8 | |
Model 1 | ref | 0.03 (−0.01, 0.06) | 0.03 (−0.01, 0.06) | 0.07 (0.03, 0.11) | 0.002 ** | 0.02 (0.01, 0.04) *** |
Model 2 | ref | 0.02 (−0.02, 0.06) | 0.02 (−0.02, 0.06) | 0.07 (0.03, 0.11) | 0.001 ** | 0.02 (0.01, 0.04) *** |
Total yogurt | ||||||
n | 2259 | 1606 | 1402 | 1326 | ||
Median intake | 0 | 0.3 | 0.6 | 1.0 | 0.4 | |
Model 1 | ref | 0.04 (0.00, 0.07) | −0.01 (−0.05, 0.03) | −0.03 (−0.07, 0.00) | 0.02 * | −0.03 (−0.05, −0.01) ** |
Model 2 | ref | 0.04 (0.01, 0.08) | 0.00 (−0.04, 0.04) | −0.01 (−0.05, 0.02) | 0.18 | −0.02 (−0.04, 0.00) |
High-fat yogurt | ||||||
n | 5021 | 540 | 470 | 562 | ||
Median intake | 0 | 0.1 | 0.3 | 0.7 | 0.0 | |
Model 1 | ref | −0.01 (−0.06, 0.03) | 0.00 (−0.05, 0.05) | −0.11 (−0.17, −0.06) | 0.0001 *** | −0.08 (−0.13, −0.03) ** |
Model 2 | ref | −0.01 (−0.06, 0.04) | 0.00 (−0.05, 0.05) | −0.10 (−0.16, −0.05) | 0.0003 *** | −0.08 (−0.13, −0.03) ** |
Low-fat yogurt | ||||||
n | 2593 | 1412 | 1366 | 1222 | ||
Median intake | 0 | 0.1 | 0.5 | 1.0 | 0.14 | |
Model 1 | ref | 0.03 (−0.01, 0.06) | 0.05 (0.02, 0.09) | 0.00 (−0.04, 0.03) | 0.71 | −0.02 (−0.04, 0.01) |
Model 2 | ref | 0.03 (0.00, 0.07) | 0.07 (0.03, 0.10) | 0.01 (−0.02, 0.05) | 0.52 | 0.00 (−0.03, 0.02) |
Total cheese | ||||||
n | 1650 | 1633 | 1670 | 1640 | ||
Median intake | 0.5 | 1.2 | 2.0 | 3.1 | 1.5 | |
Model 1 | ref | 0.01 (−0.03, 0.05) | −0.01 (−0.05, 0.02) | −0.01 (−0.05, 0.03) | 0.62 | 0.00 (−0.01, 0.01) |
Model 2 | ref | 0.02 (−0.02, 0.06) | 0.00 (−0.04, 0.04) | 0.01 (−0.03, 0.05) | 0.62 | 0.00 (−0.01, 0.01) |
High-fat cheese | ||||||
n | 1691 | 1607 | 1652 | 1643 | ||
Median intake | 0.2 | 1.1 | 1.7 | 3.0 | 1.3 | |
Model 1 | ref | 0.01 (−0.02, 0.05) | −0.01 (−0.04, 0.03) | −0.01 (−0.05, 0.03) | 0.52 | 0.00 (−0.01, 0.01) |
Model 2 | ref | 0.01 (−0.02, 0.05) | 0.00 (−0.04, 0.04) | 0.00 (−0.04, 0.04) | 0.92 | 0.00 (−0.01, 0.01) |
Low-fat cheese | ||||||
n | 4682 | 664 | 647 | 600 | ||
Median intake | 0 | 0.2 | 0.7 | 1.8 | 0.0 | |
Model 1 | ref | 0.02 (−0.03, 0.07) | 0.00 (−0.05, 0.05) | −0.01 (−0.05, 0.04) | 0.83 | 0.00 (−0.02, 0.02) |
Model 2 | ref | 0.02 (−0.02, 0.07) | 0.01 (−0.04, 0.06) | 0.02 (−0.03, 0.07) | 0.50 | 0.01 (−0.01, 0.03) |
Cream | ||||||
n | 3977 | 880 | 829 | 907 | ||
Median intake | 0 | 0.07 | 0.2 | 0.5 | 0.0 | |
Model 1 | ref | −0.03 (−0.07, 0.02) | −0.06 (−0.10, −0.01) | −0.07 (−0.11, −0.02) | 0.89 | −0.01 (−0.04, 0.01) |
Model 2 | ref | −0.03 (−0.07, 0.02) | −0.05 (−0.09, 0.00) | −0.07 (−0.12, −0.03) | 0.77 | −0.02 (−0.05, 0.01) |
Ice cream | ||||||
n | 3963 | 851 | 956 | 823 | ||
Median intake | 0 | 0.07 | 0.2 | 0.3 | 0.0 | |
Model 1 | ref | 0.04 (0.00, 0.08) | 0.04 (0.00, 0.08) | 0.03 (−0.01, 0.07) | 0.05 | 0.05 (0.00, 0.10) * |
Model 2 | ref | 0.03 (−0.02, 0.07) | 0.02 (−0.02, 0.07) | 0.01 (−0.03, 0.05) | 0.52 | 0.04 (−0.01, 0.08) |
Model 1 included age (continuous), sex and energy intake (continuous). Model 2 was additionally adjusted for education (3 categories), smoking (3 categories), physical activity (continuous), alcohol consumption (4 categories), family history of diabetes (yes/no, RS-I and RS-II only) and intakes of fruit, vegetables, wholegrains, legumes, nuts, tea, coffee, red meat and sugar-sweetened beverages (continuous). Model 4 was additionally adjusted for longitudinal waist circumference. Betas from log-transformed HOMA-IR. p value significance level: * 0.05, ** 0.01, *** 0.001.