GA (week) | KMC Number | KMC initiation | KMC practice | |||
---|---|---|---|---|---|---|
Age (d)* | CGA (week) | Weight (g) | Frequency (n)* | Duration per session (h) | ||
Total | 135 | 17.0 (11.0,29.0) | 34.5 ± 2.0 | 1809.4 ± 437.8 | 5.0 (5.0,7.3) | 1.7 ± 1.0 |
< 28 | 12 | 28.0 (17.0,29.5)# | 33.9 ± 3.8 | 1423.3 ± 226.8 | 13.0 (7.5,15.0) | 1.7 ± 0.3 |
28 ~ < 32 | 76 | 23.0 (16.0,32.0)# | 33.7 ± 1.5# | 1768.1 ± 459.2 | 5.0 (5.0,8.0) | 1.8 ± 1.3 |
32 ~ < 34 | 35 | 14.0 (9.0,17.0) | 34.9 ± 1.1 | 1852.8 ± 333.6 | 5.0 (4.0,5.0) | 1.5 ± 0.7 |
34 ~ < 37 | 12 | 7.0 (5.0,16.5)# | 37.2 ± 2.3# | 1995.5 ± 541.4 | 5.0 (5.0,6.0) | 1.5 ± 0.5 |
F/χ2 | 9.1 | 16.9 | 1.8 | 1.5 | 1.6 | |
P | <0.01 | <0.01 | 0.2 | 0.2 | 0.2 |