Table 1 Sample characteristics
Breastfeeding 1–6 months (n = 43) | Breastfeeding 6–12 months (n = 47) | Breastfeeding 12–18 months (n = 50) | Breastfeeding 18–24 months (n = 44) | p-value | |
|---|---|---|---|---|---|
Maternal age, years (mean ± SD; median, P25th–75th) 1 | 32.6 ± 3.6, 32, 29–35 | 30.9 ± 4.6, 31, 28–35 | 32.2 ± 4.8, 32, 33–36 | 32.0 ± 4.5, 32, 29–37 | 0.28 |
Maternal BMI, kg/m2 (mean ± SD; median, P25th–75th) 2 | 23.2 ± 4.5, 22.5, 19.7–24.8 | 22.6 ± 4.8, 21.3, 19–25.1 | 22.3 ± 4.1, 21.6, 20.2–23.8 | 22.3 ± 3.3, 21.7, 19.8–25.1 | 0.78 |
Educational level (n, %)3 | |||||
Primary school | 9 (20.9) | 7 (14.9) | 16 (32.0) | 12 (27.3) | 0.13 |
Secondary school/certificate | 0 (0) | 3 (6.4) | 4 (8.0) | 4 (9.1) | |
Graduate degree | 34 (79.1) | 37 (78.7) | 30 (60.0) | 28 (63.6) | |
First ANC visit, months (mean ± SD; median, P25th–75th) 2 | 2.0 ± 1.3, 2, 1–2 | 2.3 ± 1.6, 2, 1–3 | 2.3 ± 1.3, 2, 1–3 | 2.1 ± 1.2, 2, 1–3 | 0.78 |
Gestational age, days (mean ± SD; median, P25th–75th) 2 | 270.6 ± 6.4, 272, 266–273 | 271.3 ± 8.1, 272, 266–278 | 271.5 ± 6.4, 273, 266–275 | 272.3 ± 8.3, 273, 266–280 | 0.84 |
Birth order 3 (n, %) | |||||
First born | 27 (62.8) | 31 (66.0) | 33 (66.0) | 25 (56.8) | 0.71 |
Second born | 15 (34.9) | 15 (31.9) | 13 (26.0) | 16 (36.4) | |
Third-fifth born | 1 (2.3) | 1 (2.1) | 4 (8.0) | 3 (6.8) | |
Parental status, couple (n, %) 3 | 42 (97.7) | 47 (100) | 48 (96.0) | 44 (100) | 0.46 |
Breastfeeding frequency, times per day (mean ± SD; median, P25th–75th) 2 | 6.4 ± 5.6, 6, 1–10 | 6.0 ± 4.8, 5, 2–9 | 5.7 ± 3.8, 6, 3–8 | 6.1 ± 3.9, 5, 3.2–8 | 0.98 |