Skip to main content
. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: J Pediatr. 2017 Feb 8;183:56–66.e3. doi: 10.1016/j.jpeds.2016.12.072

Table IV.

Language and sound in each room type, based on whether parents were visiting on the day of recording (in h:min)

Meaningful words
Birth
34 wk PMA
Open ward n = 29 Private room n = 23 Open ward n = 24 Private room n = 20
Parent present on day of recording n = 37 0:05 ± 0:04 0:08 ± 0:08 Parent present on day of recording n = 32 0:16 ± 0:20: 0:20 ± 0:21
Parent not present on day of recording n = 15 0:07 ± 0:14 0:07 ± 0:08 Parent not present on day of recording n = 16 0:15 ± 0:23 0:09 ± 0:12

30 wk PMA
Term
Open ward n = 27 Private room n = 23 Open ward n = 24 Private room n = 20

Parent present on day of recording n = 29 0:05 ± 0:05 0:07 ± 0:04 Parent Present on day of recording n = 32 0:30 ± 0:19 0:38 ± 0:27
Parent not present on day of recording n = 21 0:06 ± 0:05 0:04 ± 0:03 Parent not present on day of recording n = 12 0:34 ± 0:30 0:26 ± 0:13

Distant words
Birth
34 wk PMA
Open ward n = 29 Private room n = 23 Open ward n = 26 Private room n = 22

Parent present on day of recording n = 37 1:32 ± 1:36 1:56 ± 1:23 Parent present on day of recording n = 32 1:01 ± 0:42 0:47 ± 0:42
Parent not present on day of recording n = 15 1:04 ± 1:12 1:25 ± 1:34 Parent not present on day of recording n = 16 1:28 ± 0:46 1:17 ± 0:51

30 wk PMA
Term
Open ward n = 27 Private room n = 23 Open ward n = 24 Private room n = 20

Parent present on day of recording n = 29 1:59 ± 1:55 0:39 ± 0:29 Parent present on day of recording n = 32 1:00 ± 0:33 0:23 ± 0:16
Parent not present on day of recording n = 21 1:09 ± 0:51 0:26 ± 0:25 Parent not present on day of recording n = 12 1:47 ± 1:05 1:10 ± 1:52

Electronic sounds
Birth
34 wk PMA
Open ward n = 29 Private room n = 23 Open ward n = 26 Private room n = 22

Parent present on day of recording n = 37 1:03 ± 1:44 0:53 ± 0:51 Parent present on day of recording n = 32 3:34 ± 4:27 1:32 ± 1:44
Parent not present on day of recording n = 15 0:30 ± 0:48 1:04 ± 1:37 Parent not present on day of recording n = 16 2:48 ± 4:28 1:12 ± 1:09

30 wk PMA
Term
Open ward n = 27 Private room n = 23 Open ward n = 24 Private room n = 20

Parent present on day of recording n = 29 2:11 ± 1:52 0:41 ± 0:47 Parent present on day of recording n = 32 6:19 ± 3:06 2:30 ± 2:04
Parent not present on day of recording n = 21 1:47 ± 2:10 1:16 ± 1:23 Parent not present on day of recording n = 12 2:54 ± 2:22 2:33 ± 2:44

Noise
Birth
34 wk PMA
Open ward n = 29 Private room n = 23 Open ward n = 26 Private room n = 22

Parent present on day of recording n = 37 10:02 ± 6:35 3:35 ± 5:22 Parent present on day of recording n = 32 3:24 ± 3:50 5:47 ± 5:42
Parent not present on day of recording n = 15 12:32 ± 5:44 10:48 ± 4:38 Parent not present on day of recording n = 16 6:06 ± 5:28 8:11 ± 5:12

30 wk PMA
Term
Open ward n = 27 Private room n = 23 Open ward n = 24 Private room n = 20

Parent present on day of recording n = 29 5:50 ± 5:49 6:15 ± 5:48 Parent present on day of recording n = 32 1:31 ± 1:09 1:44 ± 2:55
Parent not present on day of recording n = 21 5:55 ± 4:51 7:59 ± 6:21 Parent not present on day of recording n = 12 1:52 ± 1:33 2:55 ± 4:02

Silence
Birth
34 wk PMA
Open ward n = 29 Private room n = 23 Open ward n = 26 Private room n = 22

Parent present on day of recording n = 37 3:17 ± 4:10 9:09 ± 4:30 Parent present on day of recording n = 32 7:34 ± 4:31 7:33 ± 5:17
Parent not present on day of recording n = 15 1:47 ± 3:38 2:37 ± 2:40 Parent not present on day of recording n = 16 5:22 ± 4:07 5:11 ± 5:29

30 wk PMA
Term
Open ward n = 27 Private room n = 23 Open ward n = 24 Private room n = 20

Parent present on day of recording n = 29 5:54 ± 4:36 8:17 ± 5:27 Parent present on day of recording n = 32 6:37 ± 2:46 10:44 ± 3:39
Parent not present on day of recording n = 21 7:12 ± 4:20 6:15 ± 5:17 Parent not present on day of recording n = 12 8:53 ± 2:49 8:56 ± 5:05

Peak decibels
Birth
34 wk PMA
Open ward n = 29 Private room n = 23 Open ward n = 26 Private room n = 22

Parent present on day of recording n = 37 86.7 ± 1.1 86.8 ± 1.3 Parent present on day of recording n = 32 87.1 ± 1.8 86.7 ± 1.4
Parent not present on day of recording n = 15 86.0 ± 1.2 87.3 ± 1.3 Parent not present on day of recording n = 16 87.0 ± 1.2 87.2 ± 1.3

30 wk PMA
Term
Open ward n = 27 Private room n = 23 Open ward n = 24 Private room n = 20

Parent present on day of recording n = 29 87.1 ± 1.6 86.0 ± 1.4 Parent present on day of recording n = 32 87.3 ± 1.4 87.5 ± 1.1
Parent not present on day of recording n = 21 86.9 ± 1.0 86.2 ± 1.5 Parent not present on day of recording n = 12 86.6 ± 1.1 86.7 ± 1.5

Average decibels
Birth
34 wk PMA
Open ward n = 29 Private room n = 23 Open ward n = 26 Private room n = 22

Parent present on day of recording n = 37 63.7 ± 4.6 58.3 ± 3.0 Parent present on day of recording n = 32 58.6 ± 2.8 58.3 ± 5.2
Parent not present on day of recording n = 15 60.7 ± 3.3 59.8 ± 5.6 Parent not present on day of recording n = 16 59.0 ± 3.2 57.5 ± 1.1

30 wk PMA
Term
Open ward n = 27 Private room n = 23 Open ward n = 24 Private room n = 20

Parent present on day of recording n = 29 58.6 ± 1.5 Parent present on day of recording n = 32 58.1 ± 1.9 56.4 ± 2.7
Parent not present on day of recording n = 21 58.0 ± 1.4 Parent not present on day of recording n = 12 57.9 ± 2.2 55.4 ± 2.1

Number of adult words in 16-h period
Birth
34 wk PMA
Open ward n = 29 Private room n = 23 Open ward n = 26 Private room n = 22

Parent present on day of recording n = 37 504.2 ± 454.8 847.6 ± 727.7 Parent present on day of recording n = 32 2445.5 ± 3221.3 2783.0 ± 3470.7
Parent not present on day of recording n = 15 861.3 ± 1850.9 314.8 ± 429.8 Parent not present on day of recording n = 16 2174.8 ± 3775.9 670.1 ± 703.5

30 wk PMA
Term
Open ward n = 27 Private room n = 23 Open ward n = 24 Private room n = 20

Parent present on day of recording n = 29 440.6 ± 536.1 822.7 ± 923.8 Parent present on day of recording n = 32 4727.1 ± 3216.7 5634.5 ± 3959.5
Parent not present on day of recording n = 21 446.7 ± 391.6 338.0 ± 364.3 Parent not present on day of recording n = 12 6298.9 ± 6064.6 3045.2 ± 2150.7