From: Adolescent fiber intake and mammographic breast density in premenopausal women
Type of fiber/food group | Percent density (untransformed) | Absolute dense area (square root- transformed) | Non-dense area (square root-transformed) | ||||
---|---|---|---|---|---|---|---|
N | Age/BMI adjusted | Fully adjusteda | Age/BMI adjusted | Fully adjusteda | Age/BMI adjusted | Fully adjusteda | |
Total fiber, quartile (quartile median) | |||||||
 1st (15.7) | 183 | Reference | Reference | Reference | Reference | Reference | Reference |
 2nd (18.9) | 184 | -0.51 (-3.62, 2.60) | -0.66 (-3.62, 2.31) | 0.13 (-0.38, 0.63) | 0.00 (-0.50, 0.49) | 0.16 (-0.34, 0.65) | 0.09 (-0.40, 0.57) |
 3rd (21.6) | 190 | -0.74 (-3.83, 2.35) | -1.04 (-4.30, 2.22) | 0.22 (-0.28, 0.72) | 0.10 (-0.42, 0.61) | 0.36 (-0.13, 0.85) | 0.34 (-0.17, 0.85) |
 4th (26.5) | 186 | -0.19 (-3.29, 2.92) | -0.82 (-4.16, 2.53) | 0.14 (-0.37, 0.64) | -0.09 (-0.61, 0.44) | 0.16 (-0.33, 0.66) | 0.06 (-0.49, 0.61) |
p trend | Â | 0.92 | 0.64 | 0.59 | 0.80 | 0.48 | 0.75 |
Fiber from fruits, quartile (quartile median) | |||||||
 1st (1.9) | 193 | Reference | Reference | Reference | Reference | Reference | Reference |
 2nd (3.5) | 184 | -0.10 (-3.18, 2.97) | -0.71 (-3.73, 2.31) | 0.00 (-0.49, 0.50) | -0.01 (-0.54, 0.53) | 0.07 (-0.42, 0.56) | 0.23 (-0.27, 0.73) |
 3rd (5.0) | 184 | -0.65 (-3.72, 2.42) | -2.11 (-5.28, 1.05) | -0.18 (-0.68, 0.31) | -0.30 (-0.80, 0.20) | 0.01 (-0.48, 0.50) | 0.21 (-0.30, 0.73) |
 4th (7.2) | 182 | -0.01 (-3.09, 3.07) | -1.96 (-5.29, 1.38) | 0.03 (-0.47, 0.53) | -0.26 (-0.80, 0.29) | 0.11 (-0.38, 0.60) | 0.29 (-0.28, 0.86) |
p trend | Â | 0.94 | 0.21 | 0.95 | 0.24 | 0.72 | 0.36 |
Fiber from vegetables, quartile (quartile median) | |||||||
 1st (3.4) | 187 | Reference | Reference | Reference | Reference | Reference | Reference |
 2nd (5.2) | 190 | -0.33 (-3.40, 2.74) | -0.15 (-3.17, 2.86) | 0.20 (-0.29, 0.70) | 0.22 (-0.27, 0.70) | 0.18 (-0.31, 0.67) | 0.11 (-0.37, 0.58) |
 3rd (6.8) | 180 | -0.59 (-3.70, 2.52) | 0.64 (-2.40, 3.69) | 0.23 (-0.28, 0.73) | 0.36 (-0.16, 0.87) | 0.36 (-0.14, 0.85) | 0.19 (-0.30, 0.68) |
 4th (9.8) | 186 | 0.36 (-2.72, 3.44) | 1.05 (-2.21, 4.32) | 0.25 (-0.25, 0.75) | 0.29 (-0.24, 0.82) | 0.15 (-0.34, 0.64) | -0.02 (-0.56, 0.53) |
p trend | Â | 0.80 | 0.46 | 0.37 | 0.31 | 0.54 | 0.91 |
Fiber from legumes, quartile (quartile median) | |||||||
 1st (1.2) | 201 | Reference | Reference | Reference | Reference | Reference | Reference |
 2nd (2.0) | 186 | -2.75 (-5.58, 0.09) | -2.92 (-5.72, -0.12) | -0.13 (-0.61, 0.36) | -0.14 (-0.61, 0.34) | 0.29 (-0.18, 0.77) | 0.34 (-0.13, 0.81) |
 3rd (2.7) | 177 | 0.40 (-2.73, 3.53) | -0.31 (-3.55, 2.93) | 0.15 (-0.34, 0.65) | 0.10 (-0.41, 0.60) | 0.01 (-0.50, 0.53) | 0.14 (-0.40, 0.68) |
 4th (4.5) | 179 | -0.02 (-3.02, 2.97) | 0.20 (-2.94, 3.34) | 0.16 (-0.33, 0.65) | 0.17 (-0.34, 0.68) | 0.09 (-0.39, 0.57) | 0.04 (-0.46, 0.54) |
p trend | Â | 0.56 | 0.49 | 0.37 | 0.38 | 0.97 | 0.83 |
Fiber from cereal quartile (quartile median) | |||||||
 1st (3.8) | 194 | Reference | Reference | Reference | Reference | Reference | Reference |
 2nd (5.0) | 173 | -0.14 (-3.18, 2.90) | -0.90 (-3.92, 2.12) | -0.10 (-0.60, 0.40) | -0.23 (-0.74, 0.27) | -0.11 (-0.59, 0.37) | -0.04 (-0.52, 0.44) |
 3rd (6.1) | 203 | 0.67 (-2.31, 3.65) | 0.48 (-2.51, 3.47) | 0.10 (-0.38, 0.59) | 0.08 (-0.41, 0.57) | -0.12 (-0.61, 0.37) | -0.08 (-0.58, 0.42) |
 4th (7.9) | 173 | -1.02 (-4.00, 1.97) | -1.84 (-4.86, 1.18) | -0.20 (-0.71, 0.30) | -0.29 (-0.80, 0.23) | -0.04 (-0.53, 0.45) | 0.06 (-0.45, 0.57) |
p trend | Â | 0.61 | 0.36 | 0.57 | 0.47 | 0.89 | 0.83 |
Total nuts, servings | |||||||
  < 1/month (0 serv/day) | 307 | Reference | Reference | Reference | Reference | Reference | Reference |
 1–3/month (0.07 serv/day) | 177 | -1.00 (-3.81, 1.81) | -1.11 (-4.00, 1.77) | -0.18 (-0.64, 0.27) | -0.17 (-0.62, 0.29) | 0.05 (-0.40, 0.50) | 0.06 (-0.38, 0.50) |
 1/week (0.14 serv/day) | 233 | -1.07 (-3.66, 1.52) | -1.79 (-4.52, 0.94) | 0.14 (-0.28, 0.56) | 0.11 (-0.34, 0.57) | 0.49 (0.08, 0.90) | 0.62 (0.17, 1.07) |
  ≥ 2/week (0.57 serv/day) | 24 | -1.54 (-7.89, 4.81) | -2.49 (-8.70, 3.71) | 0.03 (-1.00, 1.06) | -0.06 (-1.20, 1.08) | 0.23 (-0.78, 1.23) | 0.35 (-0.37, 1.07) |
p trend | Â | 0.48 | 0.27 | 0.72 | 0.90 | 0.18 | 0.05 |
Fruit intake, quartile (quartile median) | |||||||
 1st (0.6) | 188 | Reference | Reference | Reference | Reference | Reference | Reference |
 2nd (1.2) | 183 | -0.39 (-3.29, 2.51) | -0.43 (-3.47, 2.61) | 0.08 (-0.40, 0.56) | 0.17 (-0.34, 0.68) | 0.25 (-0.21, 0.71) | 0.36 (-0.13, 0.84) |
 3rd (1.8) | 181 | 0.34 (-2.70, 3.38) | -0.30 (-3.66, 3.06) | 0.13 (-0.34, 0.61) | 0.19 (-0.35, 0.73) | 0.15 (-0.34, 0.64) | 0.38 (-0.15, 0.91) |
 4th (2.7) | 191 | -0.18 (-3.18, 2.82) | -1.32 (-4.89, 2.26) | 0.15 (-0.36, 0.66) | 0.07 (-0.55, 0.68) | 0.27 (-0.21, 0.75) | 0.48 (-0.09, 1.06) |
p trend | Â | >0.99 | 0.75 | 0.55 | 0.88 | 0.36 | 0.14 |
Vegetable intake, quartile (quartile median) | |||||||
 1st (1.2) | 186 | Reference | Reference | Reference | Reference | Reference | Reference |
 2nd (2.0) | 185 | -0.91 (-3.92, 2.10) | -0.16 (-3.31, 2.98) | -0.20 (-0.67, 0.27) | -0.12 (-0.62, 0.37) | 0.14 (-0.33, 0.62) | 0.05 (-0.46, 0.55) |
 3rd (2.9) | 185 | -0.16 (-3.00, 2.67) | 0.04 (-3.22, 3.31) | 0.34 (-0.15, 0.84) | 0.45 (-0.11, 1.01) | 0.38 (-0.10, 0.86) | 0.43 (-0.11, 0.97) |
 4th (4.4) | 187 | -0.59 (-3.68, 2.49) | 0.08 (-3.70, 3.86) | 0.08 (-0.41, 0.57) | 0.27 (-0.33, 0.87) | 0.25 (-0.24, 0.75) | 0.28 (-0.31, 0.86) |
p trend | Â | 0.85 | 0.93 | 0.40 | 0.20 | 0.27 | 0.29 |