Table 2.
HbA1c | p value for linear trend | |||||
---|---|---|---|---|---|---|
Quintile 1 (2.27–4.79%) |
Quintile 2 (4.79–4.91%) |
Quintile 3 (4.92–5.03%) |
Quintile 4 (5.04–5.18%) |
Quintile 5 (5.19–5.59%) |
||
Cases | 83 | 111 | 120 | 116 | 178 | |
Person-years | 51,422 | 51,224 | 51,084 | 50,882 | 50,572 | |
RR (95% CI)a | 1.00 | 1.18 (0.89–1.57) | 1.20 (0.91–1.59) | 1.05 (0.79–1.40) | 1.44 (1.11–1.88) | 0.02 |
RR (95% CI)b | 1.00 | 1.12 (0.84–1.49) | 1.12 (0.84–1.48) | 0.97 (0.73–1.30) | 1.31 (1.00–1.72) | 0.10 |
RR (95% CI)c | 1.00 | 1.11 (0.84–1.48) | 1.13 (0.85–1.50) | 0.96 (0.72–1.28) | 1.28 (0.98–1.69) | 0.14 |
Data exclude women with self-reported history of diabetes
Adjusted for age at baseline in 5 year categories
Adjusted for age at baseline in 5 year categories, strenuous exercise (rarely/never, <1 time/week, 1–3 times/week, ≥4 times/week), postmenopausal hormone use (never, past, current), multivitamin use (never, past, current), smoking status (never, past, current), BMI (<21, 21–22.9, 23–24.9, 25–26.9, 27–28.9, 29–30.9, ≥31 kg/m2)
Adjusted for age at baseline in 5 year categories, strenuous exercise (rarely/never, <1 time/week, 1–3 times/week, ≥4 times/week), postmenopausal hormone use (never, past, current), multivitamin use (never, past, current), smoking status (never, past, current), BMI (<21, 21–22.9, 23–24.9, 25–26.9, 27–28.9, 29–30.9, ≥31 kg/m2), quintile of triacylglycerol, HDL-cholesterol, LDL-cholesterol, hsCRP and history of hypertension (yes or no)