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Table 4 Logistic regression associations of quintiles of total dietary fiber with the probability of poor control (> 7%) vs. optimal control (< 7%) HbA1c at baseline and at year 6 of CACTI study

From: Dietary fiber intake and glycemic control: coronary artery calcification in type 1 diabetes (CACTI) study

Dietary fiber quintiles (g) HbA1c goals (baseline)
(> 7% N = 453 vs. < 7% N = 115)
HbA1c goals (year 6)
(> 7% N = 361 vs. < 7% N = 91)
OR (95% CI) P-value OR (95% CI) P-value
Quintile 1 Reference   Reference  
Quintile 2 0.487 (0.147, 1.617) 0.24 1.197 (0.546, 2.625) 0.65
Quintile 3 0.420 (0.126, 1.407) 0.16 1.059 (0.475, 2.359) 0.88
Quintile 4 0.370 (0.096, 1.423) 0.15 1.987 (0.787, 5.021) 0.15
Quintile 5 0.283 (0.07, 1.153) 0.08 1.573 (0.559, 4.432) 0.39
  1. Data presented as OR (95% CI)
  2. Dietary fiber quintiles: Quintile 1[N: 253; mean: 7.8 g (range: 2.8–10.3 g)]; Quintile 2 [N: 254; mean: 12.0 g (range: 10.3–13.7 g)]; Quintile 3 [N: 253; mean: 15.5 g (range: 13.7–17.4 g)]; Quintile 4 [N: 254; mean: 19.8 g (range: 17.4–22.7 g)]; Quintile 5 [N: 253; mean: 28.8 g (range: 22.7–68.5 g)]
  3. Model adjusted for age, sex, diabetes duration and total calories; year 6 also adjusted for baseline HbA1c and duration of follow up