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. 2021 Mar 26;41(8):2063–2071. doi: 10.1038/s41372-021-01037-2

Table 5.

(Online): comparison of LENA counts by event for the low-visit group when the Cuddlers were not present and high-visit group during parent- and nurse-care time.

Activity type Recording 1 p Recording 2 p
Low-visit
 ± SD (median)
High-visit
 ± SD (median)
Low-visit
 ± SD (median)
High-visit
 ± SD (median)
Total hours of recording 175 261 110 203
Parent-care time
     Hours, N (%) 6 (3) 68 (26) 5 (5) 42 (21)
     AWC 1427 ± 753 (1055) 1681 ± 1731 (1215) 0.14 995 ± 1055 (763) 1887 ± 1882 (1367) 0.01
     Conversations 10.3 ± 10 (8.5) 9.8 ± 9.2 (7.0) 0.98 5.8 ± 8.6 (0) 12.9 ± 18 (6.5) 0.17
     Vocalizations 34.3 ± 29 (31.0) 23.1 ± 22 (16.5) 0.29 13.4 ± 16 (4) 26.3 ± 33 (15) 0.35
Nurse-care time
     Hours, N (%) 53 (30) 35 (13) 31 (28) 35 (17)
     AWC 782 ± 1051 (330) 447 ± 1209 (102) 0.46 894 ± 965 (554) 349 ± 493 (163) 0.02
     Conversations 6.8 ± 10 (3.0) 2.4 ± 3.6 (0) 0.01 5.9 ± 9.6 (2.0) 3.2 ± 5.6 (1.0) 0.25
     Vocalizations 29.6 ± 36 (14.0) 8.9 ± 9.6 (6.0) 0.0001 26.1 ± 44 (12) 13.4 ± 21 (4.0) 0.29

There were four low-visit parents visiting during Recording 1 for a total of 6 h and four visiting during Recording 2 for a total of 5 h.

AWC adult word count, Conversations conversational turns, Vocalizations child vocalizations.