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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