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Table 2 Beta regression (95% CI) of 6-year changes of triglycerides and high density lipoprotein-cholesterol per increment of each Z score of dietary carbohydrate and protein indices

From: Macronutrients quality indices and risk of metabolic syndrome and its components in Iranian adults

Dietary indices*

Total population(n = 1738)

Healthy(n = 904)

Metabolic syndrome patients (n = 834)

B (95% CI)

P-value

B (95% CI)

P-value

B (95% CI)

P-value

TGs changes

      

CQI

-0.99 (-3.62–1.63)

0.458

1.57 (-1.49–4.63)

0.315

-2.29(-6.40–1.81)

0.273

GI(per 1000Kcal)

-3.08 (-8.27– 2.10)

0.243

-0.91 (-7.10 − 5.27)

0.772

-5.12(-13.0–2.79)

0.204

Fiber intake(g/1000Kcal)

-3.22 (-9.35–2.89)

0.301

1.13 (-5.76 − 8.03)

0.746

-5.12(-15.0–4.77)

0.310

Whole grain/total grains

-1.82 (-4.59–0.94)

0.196

1.28 (-1.93–4.49)

0.435

-4.00(-8.34–0.33)

0.070

SCHO /TCHO

-8.45 (-15.7– -1.14)

0.023

-2.26 (-11.0 − 6.46)

0.611

-14.1(-25.3– -2.9)

0.013

Protein score

-0.89 (-3.44–1.64)

0.48

2.27 (-0.58 − 5.13)

0.119

-3.08(-7.19–1.01)

0.140

Total protein (% of energy)

0.44 (-2.29 − 3.18)

0.75

1.73 (-1.40 − 4.87)

0.278

-0.50(-4.86–3.85)

0.820

Plant protein

-1.01 (-3.65–1.63)

0.45

2.16 (-0.75– 5.08)

0.146

-3.47(-7.82–0.88)

0.118

Animal protein

1.21 (-1.52–3.95)

0.38

0.00 (-3.11–3.13)

0.996

1.94 (-2.44–6.33)

0.384

PAR

-2.58 (-5.60 − 0.43)

0.09

0.51 (-2.79–3.81)

0.761

-5.17(-10.2–-0.05)

0.048

HDL-c changes

      

CQI

0.33 (-0.07 − 0.74)

0.106

0.04 (-0.52–0.61)

0.868

0.53 (-0.01–1.09)

0.058

GI

-0.39 (-1.19–0.40)

0.337

-0.52 (-1.67– 0.62)

0.367

-0.38(-1.45–0.67)

0.475

Fiber intake

0.67 (-0.27– 1.61)

0.163

-0.45 (-1.73– 0.82)

0.485

1.65 (0.32–2.98)

0.015

Whole grain/total grains

0.24 (-0.18–0.67)

0.264

0.07 (-0.52– 0.67)

0.816

0.34 (-0.24–0.92)

0.255

SCHO /TCHO

-0.14 (-1.27– 0.99)

0.805

-0.21 (-1.83–1.41)

0.798

0.01 (-1.49–1.53)

0.983

Protein score

0.44 (0.04–0.83)

0.028

0.32 (-0.20 − 0.85)

0.228

0.45 (-0.10–1.01)

0.109

Total protein (% of energy)

0.40 (-0.01– 0.83)

0.058

1.00 (0.42 − 1.58)

0.001

-0.14(-0.72–0.44)

0.641

Plant protein

0.43 (0.02–0.83)

0.039

0.20 (-0.34–0.74)

0.466

0.58 (-0.00–1.17)

0.050

Animal protein

0.09 (-0.33–0.51)

0.674

0.79 (0.22–1.37)

0.007

-0.50(-1.09–0.08)

0.094

PAR

0.11 (-0.34–0.58)

0.623

-0.56 (-1.17–0.05)

0.073

0.76(0.07–1.45)

0.030

  1. Abbreviations TGs: triglycerides, HDL-C: high-density lipoprotein cholesterol, CQI: carbohydrate quality index, PAR: Plant-to-animal protein ratio, SCHO /TCHO: solid carbohydrates/ total carbohydrates, GI: Glycemic index
  2. Analyses were adjusted for age and sex, smoking (yes, no), physical activity, energy intake, and baseline values for each dependent metabolic syndrome component