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. 2018 May 23;103(7):2680–2688. doi: 10.1210/jc.2018-00385

Table 1.

Demographic and Lifestyle Characteristics Stratified by Seafood Intake at Baseline in the LIFE Study (n = 501 Couples)

Variable Male Baseline Seafood Intake Female Baseline Seafood Intake
Less Than Nine Times per Month (n = 406) Nine Times or More per Month (n = 95) P Valuea Less Than Nine Times per Month (n = 419) Nine Times or More per Month (n = 82) P Valuea
Female demographic data
 Age, y 30.1 ± 4.1 29.7 ± 4.3 0.41 29.7 ± 4.0 31.2 ± 4.4 0.003
 Non-Hispanic white 339 (83.5) 68 (71.6) 0.007 350 (83.5) 57 (69.5) 0.003
 College education 309 (76.1) 71 (74.7) 0.78 319 (76.1) 61 (74.4) 0.74
Male demographic data
 Age, y 31.8 ± 4.8 31.7 ± 5.2 0.87 31.4 ± 4.8 33.5 ± 5.2 0.004
 Non-Hispanic white 340 (83.7) 72 (75.8) 0.07 347 (82.8) 65 (79.3) 0.44
 College education 256 (63.1) 55 (57.9) 0.35 264 (63.0) 47 (57.3) 0.33
 Couple income 0.14 0.29
  <$29,999 15 (3.8) 6 (6.3) 19 (4.6) 2 (2.4)
  $30,000–$49,999 51 (12.8) 5 (5.3) 51 (12.4) 5 (6.1)
  $50,000–$69,999 67 (16.8) 19 (20.0) 71 (17.3) 15 (18.3)
  ≥$70,000 265 (66.6) 65 (68.4) 270 (65.7) 60 (73.2)
Female lifestyle factors
 BMI, kg/m2 27.6 ± 7.2 27.0 ± 6.4 0.46 27.3 ± 7.1 28.5 ± 6.9 0.15
 Current smoker 45 (11.1) 11 (11.6) 0.89 46 (11.0) 10 (12.2) 0.75
 Exercises regularly 164 (40.4) 36 (37.9) 0.65 168 (40.1) 32 (39.0) 0.86
 Seafood intake, times per month 4.7 ± 4.4 7.7 ± 4.4 <0.001 3.7 ± 2.7 13.1 ± 4.0 <0.001
 Alcohol intake one or more times per week 116 (28.6) 38 (40.4) 0.13 114 (27.3) 40 (48.8) <0.001
 Stress in previous month 3.6 ± 2.6 3.6 ± 2.4 0.90 3.5 ± 2.5 3.9 ± 2.6 0.28
Male lifestyle factors
 BMI, kg/m2 29.4 ± 4.9 29.8 ± 5.2 0.52 29.5 ± 5.1 29.3 ± 4.2 0.71
 Current smoker 56 (13.8) 18 (19.0) 0.20 60 (14.3) 14 (17.1) 0.52
 Exercises regularly 162 (39.9) 49 (51.6) 0.04 170 (40.6) 41 (50.0) 0.11
 Seafood intake, times per month 3.9 ± 2.7 13.1 ± 4.4 <0.001 5.1 ± 4.3 8.7 ± 5.6 <0.001
 Alcohol intake one or more times per week 212 (52.2) 65 (68.4) 0.03 221 (52.7) 56 (68.3) 0.07
 Stress in previous month 3.0 ± 2.4 3.3 ± 2.4 0.32 3.1 ± 2.3 2.8 ± 2.5 0.39

Data presented as mean ± SD or n (%).

a

P values presented from χ2 tests for categorical variables and Kruskal-Wallis nonparametric tests for continuous variables.