Skip to main content
. 2017 Jan 7;12:4. doi: 10.1186/s13006-016-0094-5

Table 2.

Newborns’ characteristics (n = 366)

Characteristics n Categories Total Singletons (n = 241) Twins (n = 125)
No practice group Practice group p-value No practice group Practice group p-value
Mean ± SD
Median
[Min, Max]
or n (%)
Mean ± SD
Median
[Min, Max]
or n (%)
Mean ± SD
Median
[Min, Max]
or n (%)
Mean ± SD
Median
[Min, Max]
or n (%)
Mean ± SD
Median
[Min, Max]
or n (%)
Birth order 362 1st 239 (66.0) 76 (58.9) 68 (60.7) 0.99§ 55 (73.3) 40 (86.9) 0.031§
2nd 92 (25.4) 38 (29.5) 31 (27.7) 19 (25.3) 4 (8.7)
≥3rd 31 (8.6) 15 (11.6) 13 (11.6) 1 (1.4) 2 (4.4)
Sex 366 Male 199 (54.4) 77 (59.7) 55 (49.1) 0.01 41 (53.3) 26 (54.2) 0.92
Female 167 (45.6) 52 (40.3) 57 (50.9) 36 (46.7) 22 (45.8)
Weight (kg) 366 2.98 [1.63, 4.72] 3.17 [1.93, 4.72] 3.31 [2.05, 4.14] 0.018 2.57 [1.63, 3.48] 2.56 [2.03, 3.18] 0.198
Age at discharge (hours) 366 271.9 [232.5, 325] 276 [232.5, 315] 277.95 [248, 325] 0.675 263.9 [244, 274.9] 264.85 [247.7, 282] 0.128
Gestational
period (weeks)
365 <36 36 (9.8) 9 (7.0) 1 (0.9) 0.059 22 (28.6) 4 (8.3) 0.018
36–37 98 (26.7) 22 (17.0) 13 (11.7) 33 (42.8) 30 (62.5)
38–39 166 (45.8) 66 (51.2) 64 (57.6) 22 (28.6) 14 (29.2)
>40 65 (17.7) 32 (24.8) 33 (29.7) 0 (0.00) 0 (0.00)
Apgar score 365 <6 8 (2.2) 5 (3.9) 2 (1.8) <0.001§ 1 (1.3) 0 (0.00) 0.789§
(after 5 min) 6–8 80 (21.9) 48 (37.2) 5 (4.5) 18 (23.7) 9 (18.7)
>9 277 (75.9) 76 (58.9) 105 (93.7) 57 (75.0) 39 (81.3)
Health status 350 Abnormal 29 (8.3) 17 (15.0) 3 (2.7) 0.001 6 (7.8) 3 (6.2) 0.999§
Normal 321 (91.7) 96 (85.0) 109 (97.3) 71 (92.2) 45 (93.8)
Rooting reflex 344 Good 329 (95.6) 105 (87.5) 112 (48.27) 65 (100) 47 (100)
Moderate 15 (4.4) 14 (11.7) 0 (0.00) <0.001§ 0 (0.00) 0 (0.00) -
Bad 1 (0.3) 1 (0.8) 0 (0.00) 0 (0.00) 0 (0.00)
Sucking reflex 345 Good 330 (95.7) 105 (87.5) 112 (100) 65 (100) 48 (100)
Moderate 14 (4.0) 14 (11.7) 0 (0.00) <0.001§ 0 (0.00) 0 (0.00) -
Bad 1 (0.3) 1 (0.8) 0 (0.00) 0 (0.00) 0 (0.00)

Independent t-test, Mann–Whitney U test, chi-square test, §Fisher’s exact test. Practice group: Breastfed throughout the hospital stay, No practice group: Not breastfed throughout the hospital stay