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.