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Table 6 Association between selenium (μg/day) and risk of SGA

From: Maternal dietary consumption of legumes, vegetables and fruit during pregnancy, does it protect against small for gestational age?

Quintiles Casesn (%) Controls n (%) OR (95% CI) aORa (95% CI)
Selenium (μg/day)
 Q1 (≤ 72.25) 132 (25.5) 104 (20.1) 1 (ref.) 1 (ref.)
 Q2 (72.26–84.49) 110 (21.4) 104 (20.1) 0.83 (0.57–1.20) 0.73 (0.44–1.22)
 Q3 (84.50–96.20) 86 (16.6) 103 (19.9) 0.63 (0.42–0.95) 0.46 (0.27–0.80)
 Q4 (96.21–110.63) 94 (18.2) 104 (20.1) 0.71 (0.49–1.03) 0.58 (0.36–0.94)
 Q5 (>  110.63) 96 (18.5) 103 (19.9) 0.72 (0.49–1.07) 0.53 (0.32–0.87)
P for trend 0.581 0.594
  < 60 65 (12.6) 32 (6.2) 1 (ref.) 1 (ref.)
 ≥ 60 453 (87.4) 486 (93.8) 0.47 (0.30–0.73) 0.39 (0.22–0.69)
  1. a Adjusted for preeclampsia, education, smoking, body mass index, gain weight per week during pregnancy and previous preterm/low birthweight newborn