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Table 6 Odds ratios (ORs) and 95% confidence intervals (CIs) of multivariate model for CKD patients according to tertiles of plant protein sources intake

From: Foods contributing to nutrients intake and assessment of nutritional status in pre-dialysis patients: a cross-sectional study

  Tertile Non-DM-Early- CKD1
(n = 77)
DM-Early-CKD
(n = 49)
Non-DM-Late-CKD
(n = 72)
DM-Late-CKD
(n = 58)
Reference Multivariate-adjusted model2
OR
(95% CIs)
Ptrend3 Multivariate-adjusted model
OR
(95% CIs)
Ptrend Multivariate-adjusted model
OR
(95% CIs)
Ptrend
Refined grains (g) < 135 1 1 0.20 1 0.06 1 0.40
135–207 1 0.44   2.34   3.00*  
(0.16–1.18) (0.98–5.56) (1.21–7.46)
207< 1 0.53   2.53   1.61  
(0.20–1.38) (0.98–6.51) (0.57–4.53)
Whole grains (g) < 4 1 1 < 0.01 1 0.91 1 0.25
4–40 1 1.65   0.65   1.22  
(0.59–4.61) (0.30–1.43) (0.51–2.88)
40< 1 3.92*   0.89   1.72  
(1.43–10.77) (0.38–2.09) (0.69–4.31)
Legumes (g) < 18 1 1 < 0.01 1 0.83 1 0.30
18–55 1 3.61*   1.30   1.43  
(1.23–10.66) (0.60–2.84) (0.60–3.39)
55< 1 5.12*   1.15   1.66  
(1.74–15.07) (0.49–2.68) (0.68–4.05)
Raw vegetables (g) < 23 1 1 0.45 1 0.66 1 0.93
23–58 1 1.02   2.10   1.03  
(0.40–2.59) (0.92–4.76) (0.43–2.46)
58< 1 1.35   1.43   0.97  
(0.56–3.23) (0.62–3.32) (0.41–2.30)
Cooked vegetables (g) < 89 1 1 0.91 1 0.81 1 0.38
89–139 1 0.87   0.62   0.64  
(0.33–2.26) (0.28–1.42) (0.27–1.53)
139< 1 0.93   0.85   0.63  
(0.34–2.51) (0.36–2.02) (0.25–1.62)
Salted vegetables (g) < 47 1 1 0.37 1 0.03 1 0.60
47–94 1 2.07   0.97   0.84  
(0.78–5.47) (0.43–2.18) (0.32–2.18)
94< 1 0.86   0.40*   1.2  
(0.31–2.43) (0.17–0.98) (0.50–2.90)
Seeds and nuts (g) 1< 1 1 0.54 1 0.28 1 0.80
1–7 1 2.08   1.01   1.16  
(0.81–5.33) (0.45–2.27) (0.47–2.85)
7< 1 1.16   0.68   1.18  
(0.44–3.05) (0.30–1.54) (0.49–2.80)
  1. *Significant at the 0.05 level
  2. 1The Non-DM-Early-CKD group was used as a reference
  3. 2Adjusted for age (years,  continuous), sex (male, female) and energy intake (kcal,  continuous)
  4. 3Based on logistic regression analysis with assignment of median values to each category