| Daily consumption of cod-liver oil | No consumption of cod-liver oil | Mean difference in BMI between daily intake and no intake of cod liver oil | Sig. | ||
|---|---|---|---|---|---|
| Unadjusted analyses | BMI (SE) | 26.0 (0.9) | 29.1 (0.5) | −3.1 (1.2) | 0.011 |
| Analyses adjusted for age and gender | BMI (SE) | 25.9 (1.1) | 29.2 (0.5) | −3.3 (1.2) | 0.007 |
| Analyses adjusted for age, gender and lifestyle factors | BMI (SE) | 27.3 (1.4) | 30.1 (0.9) | −2.9 (1.3) | 0.027 |