Table 3.
Medians [interquartile range (IQR)] and means (±SD) of dietary daily intake and selected variables according to presence of post‐partum depression
| Variable* | n | Medians (IQR) or means (±SD † ) | Post‐partum depression | ||||
|---|---|---|---|---|---|---|---|
| Yes | No | P‐value | |||||
| n | Medians (IQR)or means (±SD) | n | Medians (IQR) or means (±SD) | ||||
| Energy (kcal) ‡ , § | 101 | 3423.6 (2621.9–4252.0) | 26 | 3379.3 (2393.6–4741.8) | 75 | 3423.6 (2656.6–4242.8) | 0.950 |
| Carbohydrates (g) ‡ , § | 101 | 512.8 (384.7–597.1) | 26 | 466.4 (334.1–588.3) | 75 | 506.0 (392.1–599.1) | 0.494 |
| Lipids (g) ‡ , § | 101 | 94.2 (68.4–116.7) | 26 | 97.9 (68.2–128.5) | 75 | 88.8 (68.4–109.5) | 0.207 |
| Proteins (g) ‡ , § | 101 | 139.1 (100.7–185.2) | 26 | 149.9 (102.8–190.3) | 75 | 138.0 (98.9–179.9) | 0.822 |
| Omega‐6 family fatty acids (18:2) (g) ‡ , § | 101 | 15.4 (11.1–18.6) | 26 | 16.1 (10.6–19.0) | 75 | 14.3 (11.1–18.4) | 0.492 |
| Omega‐3 family fatty acids (18:3) (g) ‡ , § | 101 | 2.1 (1.4–2.6) | 26 | 2.0 (1.2–2.6) | 75 | 2.0 (1.4–2.6) | 0.792 |
| Omega‐6/omega‐3 ratio ‡ , § | 101 | 7.5 (6.7–8.2) | 26 | 8.0 (6.9–8.8) | 75 | 7.4 (6.6–8.1) | 0.040 |
| Age (years) | 106 | 26.1 (5.7) | 28 | 25.8 (5.6) | 78 | 26.2 (5.8) | 0.767 |
| Monthly income (dollars) ¶ | 105 | 511.4 (421.7) | 28 | 534.8 (405.7) | 77 | 502.9 (429.6) | 0.733 |
| Schooling (years) | 106 | 9.3 (3.0) | 28 | 8.8 (3.0) | 78 | 9.4 (3.0) | 0.294 |
| Pre‐pregnancy BMI (kg/m2) | 106 | 23.8 (4.3) | 28 | 23.9 (5.2) | 78 | 23.7 (3.9) | 0.923 |
| Time elapsed since delivery (days) | 106 | 42.8 (20.4) | 28 | 41.2 (20.1) | 78 | 43.4 (20.6) | 0.852 |
*
Median values and P‐value according to Mann–Whitney test for the variables: energy, carbohydrates, lipids, proteins, omega‐6 family fatty acids, omega‐3 family fatty acids and omega‐6/omega‐3 ratio; and mean values and t‐test for the variables: monthly income, schooling, pre‐gestational body mass index (BMI) and time elapsed since delivery.
†
† SD, standard deviation.
‡
‡ Data from the Food Frequency Questionnaire regarding the first trimester of pregnancy.
§
Five outliers for the dietary variables (values for energy intake outside the range ± 3 SD).
¶
¶One missing value for monthly income.