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Table 6 Association between foods consumption and serum folate status in the study sample of Cretan adults.

From: Dietary and other lifestyle correlates of serum folate concentrations in a healthy adult population in Crete, Greece: a cross-sectional study

  Odds ratio (95% CI) for low serum folate (<1st quartile, age- & gender-specific)
  Unadjusted1 Multivariate-adjusted2
Bread   
   None 1.00 (reference) 1.00 (reference)
   <90 g 0.81 (0.38–1.73) 0.76 (0.35–1.64)
   ≥90 g 0.74 (0.35–1.58) 0.71 (0.33–1.52)
  p = 0.451 p = 0.428
Cereals   
   None 1.00 (reference) 1.00 (reference)
   <90 g 1.47 (0.82–2.63) 1.46 (0.79–2.68)
   ≥90 g 1.74 (1.01–3.02) 1.75 (0.98–3.12)
  p = 0.045 p = 0.057
Potatoes   
   None 1.00 (reference) 1.00 (reference)
   <122 g 0.54 (0.26–1.12) 0.53 (0.25–1.12)
   ≥122 g 0.41 (0.19–0.88) 0.42 (0.19–0.91)
  p = 0.008 p = 0.012
Legumes   
   None 1.00 (reference) 1.00 (reference)
   <300 g 0.71 (0.28–1.80) 0.73 (0.28–1.88)
   ≥300 g 0.44 (0.20–1.02) 0.39 (0.16–0.97)
  p = 0.042 p = 0.037
Vegetables   
   None 1.00 (reference) 1.00 (reference)
   <190 g 0.71 (0.37–1.35) 0.69 (0.36–1.35)
   ≥190 g 0.41 (0.21–0.81) 0.39 (0.19–0.78)
  p = 0.006 p = 0.005
Fruits   
   None 1.00 (reference) 1.00 (reference)
   <261 g 0.70 (0.40–1.23) 0.67 (0.37–1.21)
   ≥261 g 0.81 (0.46–1.41) 0.89 (0.50–1.59)
  p = 0.425 p = 0.645
Fruits and/or vegetables   
   None 1.00 (reference) 1.00 (reference)
   <360 g 0.42 (0.16–1.08) 0.31 (0.11–0.85)
   ≥360 g 0.27 (0.10–0.73) 0.21 (0.07–0.60)
  p < 0.001 p = 0.009
Meat   
   None 1.00 (reference) 1.00 (reference)
   <100 g 1.30 (0.73–2.33) 1.46 (0.80–2.65)
   ≥100 g 2.52 (1.43–4.44) 2.51 (1.35–4.65)
  p = 0.002 p = 0.004
Red meat   
   None 1.00 (reference) 1.00 (reference)
   <90 g 1.40 (0.74–2.65) 1.49 (0.77–2.90)
   ≥90 g 2.31 (1.32–4.05) 2.31 (1.28–4.19)
  p < 0.001 p = 0.005
Eggs   
   None 1.00 (reference) 1.00 (reference)
   <50 g 1.09 (0.47–2.56) 1.16 (0.49–2.78)
   ≥50 g 0.45 (0.17–1.19) 0.50 (0.19–1.33)
  p = 0.153 p = 0.248
Dairy products   
   None 1.00 (reference) 1.00 (reference)
   <130 g 1.62 (0.86–3.04) 1.50 (0.78–2.90)
   ≥130 g 1.16 (0.61–2.21) 1.16 (0.60–2.26)
  p = 0.864 p = 0.840
Fish-sea food   
   None 1.00 (reference) 1.00 (reference)
   <85 g 0.45 (0.21–0.96) 0.46 (0.21–0.98)
   ≥85 g 0.82 (0.43–1.59) 0.90 (0.46–1.78)
  p = 0.226 p = 0.363
  1. 1 Logistic regression analysis including consumption of foods (none, below, or above median consumption) as independent variable. P values for linear trends as presented.
  2. 2 Logistic regression analysis including consumption of foods (none, below, or above median consumption), district of residence, body mass index, energy intake, consumption of tobacco, coffee, and alcohol as independent variables. P values for linear trends as presented.
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