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Table 1 Infant and maternal characteristics of study sample by maternal fish consumption

From: Maternal Fish Consumption and Infant Birth Size and Gestation: New York State Angler Cohort Study

  Maternal Fish Consumption (years)
Characteristic 0 1–2 3–7 8+
  n % n % n % n %
  Infant Characteristics
Gestational age (wks)         
   <37 76 4 4 1 12 4 11 4
   37–41 1582 88 288 89 259 87 254 89
   42+ 145 8 30 9 27 9 20 7
Infant race         
   White 1697 99 355 98 324 100 310 99
   Nonwhite 20 1 6 2 1 - 3 1
  Maternal Characteristics
Mean maternal age at birth* (years (SD)) 1717 28.1(4.0) 361 28.1(4.1) 325 28.8(3.9) 313 28.7(3.9)
Marital status         
   Married 1578 94 331 93 311 97 289 93
   Unmarried 104 6 24 7 10 3 22 7
Health insurance         
   Yes 1635 97 302 97 267 99 251 96
   No 35 3 7 3 3 1 9 4
Household income         
   <$15,000 51 3 17 5 11 4 16 5
   $15,000–$24,000 219 14 61 18 45 14 41 14
   $25,000–$39,999 606 38 122 36 113 36 112 38
   ≥ $40,000 739 46 141 41 145 46 125 43
Gravidity         
   1 399 23 89 25 74 23 53 17
   2 621 36 128 36 111 34 105 34
   3+ 697 41 144 40 140 43 155 50
Parity*         
   0 575 34 126 35 103 32 75 24
   1 755 44 142 39 147 45 137 44
   2+ 386 23 93 26 75 23 101 32
Mean number of daily cigarettes during pregnancy (SD)* 1605 2.6(6.5) 337 2.8(6.5) 306 2.3(5.5) 291 3.7(7.1)
Mean number ofmonthly alcoholic drinks during pregnancy (SD) 1633 0.2(2.4) 349 0.2(1.0) 310 0.3(2.1) 296 0.4(4.9)
  1. NOTE: Duration of maternal fish consumption refers to the number of years eating fish from Lake Ontario and its tributaries between 1955 and infant's year of birth. * p < 0.05