Table 3.
Associations of Fish Intake With Uterine Leiomyomata Risk (n = 1,171), Study of Environment, Lifestyle and Fibroids, Michigan, 2010–2018
| Quartiles of Fish Intake | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | ||||||||||
| Fish | No. of Cases | HR a | CI | No. of Cases | HR a | CI | No. of Cases | HR a | CI | No. of Cases | HR a | CI | P for Trend |
| Total fishb | 61 | 1.00 | Referent | 69 | 1.19 | 0.93, 1.71 | 76 | 1.33 | 0.93, 1.91 | 71 | 1.37 | 0.94, 2.00 | 0.14 |
| Fin fishc | 57 | 1.00 | Referent | 79 | 1.50 | 1.05, 2.14 | 73 | 1.41 | 0.98, 2.03 | 68 | 1.40 | 0.95, 2.06 | 0.27 |
| Shellfishd | 69 | 1.00 | Referent | 60 | 1.17 | 0.81, 1.67 | 68 | 1.38 | 0.97, 1.97 | 80 | 1.26 | 0.89, 1.79 | 0.31 |
Abbreviations: CI, confidence interval; HR, hazard ratio.
a Adjusted for age, education, income, body mass index, age at menarche, parity, age at first birth, years since last birth, oral contraceptive use, progestin-only injectable contraceptive use, alcohol intake, smoking, history of hypertension, and total energy intake.
b The cutpoints are as follows, quartile 1, <9.59 g/day; quartile 2, 9.59–21.39 g/day; quartile 3, 21.40–39.99 g/day; and quartile 4, ≥40.00 g/day.
c The cutpoints are as follows, quartile 1, <7.27 g/day; quartile 2, 7.27–16.03 g/day; quartile 3, 16.04–29.77 g/day; and quartile 4, ≥29.78 g/day.
d The cutpoints are as follows, quartile 1, <1.00 g/day; quartile 2, 1.00–3.07 g/day; quartile 3, 3.08–9.10 g/day; and quartile 4, >9.10 g/day.