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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.