|
Study site
|
Dyad (infant/mother)
|
Infant sex
|
Infant age P1 (months)
|
Infant age P2 (months)
|
Observation time (h)
|
Video-recorded interactions (h)
|
|---|
|
Kanyawara
|
Winza/Wangari
|
M
|
9–11
|
21–23
|
105
|
15.2
|
|
Tembo/Tenkere
|
M
|
13–15
|
25–27
|
119
|
18.4
|
|
Mango/Michelle
|
F
|
13–15
|
25–27
|
87
|
7.3
|
|
Lily/Leona
|
F
|
3–5a
|
15–17
|
60
|
7.2
|
|
Thatcher/Tongo
|
F
|
16–18
|
28–30
|
112
|
15
|
|
Gola/Outamba
|
F
|
48–50b
|
N/A
|
45
|
7.2
|
|
Wallace/Wilma
|
M
|
55–57
|
67–69
|
73
|
10.1
|
|
Taï South
|
Mohan/Mbele
|
F
|
10–12
|
22–24
|
150
|
11.2
|
|
Iniesta/Isha
|
M
|
N/A
|
10–12
|
91
|
12
|
|
Solibra/Sumatra
|
M
|
15–17
|
27–29
|
147
|
14.7
|
|
Jeff/Julia
|
M
|
15c
|
N/A
|
20
|
0.4
|
|
Kayo/Kinshasa
|
F
|
19–21
|
31–33
|
148
|
17.0
|
|
Ithaka/Isha
|
M
|
64–66b
|
N/A
|
41
|
9.5
|
|
Σ
|
13
|
6:7
|
11
|
10
|
1198
|
145.2
|
- The last line provides the total sample size for each column (P1/P2: first/second period of data collection)
-
aP1 not included since infant was too young
-
bMothers gave birth to sibling in P2, thus no P2 data available
-
cDeceased on November 1, 2012