Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf ·...
Transcript of Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf ·...
Baby Books: Implementation
Ben Saville, PhD, and JoAnn Alvarez
February 16, 2009
1
Table 1: Implementation, Wave 1
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 62 N = 66 N = 70 N = 198
Read out loud to child? : 0 No 198 42% ( 26) 45% ( 30) 44% ( 31) 44% ( 87)
1 Yes 58% ( 36) 55% ( 36) 56% ( 39) 56% (111)
How many times/wk read to child? 198 0.00 2.00 2.00 0.00 1.75 2.50 0.00 1.00 2.00 0.00 1.00 2.00
How many times/wk read to child? CAT : 0 198 42% (26) 45% (30) 44% (31) 44% (87)
0<x<2 6% ( 4) 5% ( 3) 13% ( 9) 8% (16)
2≤x≤4 37% (23) 29% (19) 24% (17) 30% (59)
4<x<7.1 15% ( 9) 18% (12) 19% (13) 17% (34)
x≥7.1 0% ( 0) 3% ( 2) 0% ( 0) 1% ( 2)
How many times/wk other reads to child? : 1: never 198 81% ( 50) 77% ( 51) 81% ( 57) 80% (158)
2: 1-3 times a week 15% ( 9) 21% ( 14) 10% ( 7) 15% ( 30)
3: 4-6 times a week 0% ( 0) 0% ( 0) 4% ( 3) 2% ( 3)
4: every day 5% ( 3) 2% ( 1) 4% ( 3) 4% ( 7)
5: more than once a day 0% ( 0) 0% ( 0) 0% ( 0) 0% ( 0)
Participate in bk give-away programs? : 0 No 198 94% ( 58) 97% ( 64) 99% ( 69) 96% (191)
1 Yes 6% ( 4) 3% ( 2) 1% ( 1) 4% ( 7)
Parenting class since last in-home ivw? : 0 No 01 Yes
Home visit prog. since last in-home ivw? : 0 No 01 Yes
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
2
Tab
le2:
Impl
emen
tati
on,
Wav
e2
N1
VU
Boo
k2
Com
mer
cial
Boo
k3
NoB
ookG
iven
Com
bine
dN
=58
N=
63
N=
66
N=
187
Rea
dou
tlo
udto
child
?:
0N
o15
115
%(
7)
16%
(8)
9%(
5)
13%
(20)
1Y
es85
%(
40)
84%
(42)
91%
(49)
87%
(131)
C’s
age
whe
nyo
ust
arte
dre
adin
gto
h/h?
:1:
Whi
leyo
uw
ere
preg
nant
138
73%
(32)
57%
(25)
68%
(34)
66%
(91)
2:B
irth
to2
mon
ths
25%
(11)
41%
(18)
30%
(15)
32%
(44)
3:3-
5m
onth
s0%
(0)
0%(
0)
0%(
0)
0%(
0)
4:6-
9m
onth
s0%
(0)
0%(
0)
0%(
0)
0%(
0)
5:10
-12
mon
ths
0%(
0)
0%(
0)
0%(
0)
0%(
0)
6:M
ore
than
1ye
arol
d0%
(0)
0%(
0)
0%(
0)
0%(
0)
7:Y
ouha
ven’
tst
arte
dye
t2%
(1)
2%(
1)
2%(
1)
2%(
3)
How
man
yti
mes
/wk
read
toch
ild?
151
1.0
00
2.50
03.0
00
1.0
00
2.00
05.3
75
1.5
00
3.00
04.0
00
1.0
00
2.50
04.0
00
How
man
yti
mes
/wk
read
toch
ild?
CA
T:
015
115
%(
7)
16%
(8)
11%
(6)
14%
(21)
0<x<
217
%(
8)
16%
(8)
17%
(9)
17%
(25)
2≤x≤
451
%(2
4)
38%
(19)
48%
(26)
46%
(69)
4<x<
7.1
11%
(5)
22%
(11)
19%
(10)
17%
(26)
x≥7.
16%
(3)
8%(
4)
6%(
3)
7%(1
0)
How
man
yti
mes
/wk
othe
rre
ads
toch
ild?
:1:
neve
r14
749
%(2
2)
45%
(22)
45%
(24)
46%
(68)
2:1-
3ti
mes
aw
eek
42%
(19)
33%
(16)
38%
(20)
37%
(55)
3:4-
6ti
mes
aw
eek
4%(
2)
12%
(6)
8%(
4)
8%(1
2)
4:ev
ery
day
2%(
1)
10%
(5)
8%(
4)
7%(1
0)
5:m
ore
than
once
ada
y2%
(1)
0%(
0)
2%(
1)
1%(
2)
How
man
yti
mes
/wk
read
book
we
gave
you?
:0
4567
%(3
0)
67%
(30)
111
%(
5)
11%
(5)
211
%(
5)
11%
(5)
39%
(4)
9%(
4)
72%
(1)
2%(
1)
How
man
yti
mes
/wk
read
book
we
gave
you?
CA
T:
045
67%
(30)
67%
(30)
0<x<
211
%(
5)
11%
(5)
2≤x≤
420
%(
9)
20%
(9)
4<x<
7.1
2%(
1)
2%(
1)
How
man
yti
mes
read
that
book
yest
erda
y:
045
93%
(42)
93%
(42)
17%
(3)
7%(
3)
How
man
yti
mes
read
that
book
day
befo
re:
045
87%
(39)
87%
(39)
111
%(
5)
11%
(5)
32%
(1)
2%(
1)
ab
cre
pres
ent
the
low
erqu
arti
lea,
the
med
ian
b,an
dth
eup
per
quar
tile
cfo
rco
ntin
uous
vari
able
s.N
isth
enu
mbe
rof
non–
mis
sing
valu
es.
Num
bers
afte
rpe
rcen
tsar
efr
eque
ncie
s.
3
Table 2: (continued)
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedParticipate in bk give-away programs? : 0 No 151 89% ( 42) 88% ( 44) 85% ( 46) 87% (132)
1 Yes 11% ( 5) 12% ( 6) 15% ( 8) 13% ( 19)
Parenting class since last in-home ivw? : 0 No 98 96% (27) 100% (34) 94% (34) 97% (95)
1 Yes 4% ( 1) 0% ( 0) 6% ( 2) 3% ( 3)
Home visit prog. since last in-home ivw? : 0 No 81 83% (20) 85% (22) 77% (24) 81% (66)
1 Yes 17% ( 4) 15% ( 4) 23% ( 7) 19% (15)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
4
Tab
le3:
Impl
emen
tati
on,
Wav
e3
N1
VU
Boo
k2
Com
mer
cial
Boo
k3
NoB
ookG
iven
Com
bine
dN
=57
N=
63
N=
64
N=
184
Rea
dou
tlo
udto
child
?:
0N
o15
12%
(1)
0%(
0)
4%(
2)
2%(
3)
1Y
es98
%(
44)
100%
(53)
96%
(51)
98%
(148)
C’s
age
whe
nyo
ust
arte
dre
adin
gto
h/h?
:1:
Whi
leyo
uw
ere
preg
nant
151
76%
(34)
45%
(24)
70%
(37)
63%
(95)
2:B
irth
to2
mon
ths
22%
(10)
51%
(27)
17%
(9)
30%
(46)
3:3-
5m
onth
s2%
(1)
4%(
2)
9%(
5)
5%(
8)
4:6-
9m
onth
s0%
(0)
0%(
0)
0%(
0)
0%(
0)
5:10
-12
mon
ths
0%(
0)
0%(
0)
0%(
0)
0%(
0)
6:M
ore
than
1ye
arol
d0%
(0)
0%(
0)
0%(
0)
0%(
0)
7:Y
ouha
ven’
tst
arte
dye
t0%
(0)
0%(
0)
4%(
2)
1%(
2)
How
man
yti
mes
/wk
read
toch
ild?
151
2.5
3.0
5.0
2.0
3.0
5.0
2.5
3.5
7.0
2.0
3.5
5.0
How
man
yti
mes
/wk
read
toch
ild?
CA
T:
015
12%
(1)
2%(
1)
4%(
2)
3%(
4)
0<x<
216
%(
7)
8%(
4)
8%(
4)
10%
(15)
2≤x≤
444
%(2
0)
60%
(32)
47%
(25)
51%
(77)
4<x<
7.1
33%
(15)
25%
(13)
28%
(15)
28%
(43)
x≥7.
14%
(2)
6%(
3)
13%
(7)
8%(1
2)
How
man
yti
mes
/wk
othe
rre
ads
toch
ild?
:1:
neve
r14
532
%(1
3)
38%
(20)
38%
(20)
37%
(53)
2:1-
3ti
mes
aw
eek
44%
(18)
42%
(22)
29%
(15)
38%
(55)
3:4-
6ti
mes
aw
eek
15%
(6)
4%(
2)
15%
(8)
11%
(16)
4:ev
ery
day
5%(
2)
13%
(7)
15%
(8)
12%
(17)
5:m
ore
than
once
ada
y5%
(2)
2%(
1)
2%(
1)
3%(
4)
How
man
yti
mes
/wk
read
book
we
gave
you?
971.0
00
1.00
02.5
00
1.0
00
2.00
03.1
25
1.0
00
2.00
03.0
00
How
man
yti
mes
/wk
read
book
we
gave
you?
CA
T:
097
11%
(5)
4%(
2)
7%(
7)
0<x<
247
%(2
1)
29%
(15)
37%
(36)
2≤x≤
436
%(1
6)
54%
(28)
45%
(44)
4<x<
7.1
4%(
2)
12%
(6)
8%(
8)
x≥7.
12%
(1)
2%(
1)
2%(
2)
How
man
yti
mes
read
that
book
yest
erda
y:
097
84%
(38)
67%
(35)
75%
(73)
113
%(
6)
21%
(11)
18%
(17)
22%
(1)
12%
(6)
7%(
7)
How
man
yti
mes
read
that
book
day
befo
re:
096
80%
(35)
54%
(28)
66%
(63)
120
%(
9)
35%
(18)
28%
(27)
20%
(0)
10%
(5)
5%(
5)
30%
(0)
2%(
1)
1%(
1)
Par
tici
pate
inbk
give
-aw
aypr
ogra
ms?
:0
No
149
78%
(35)
76%
(39)
75%
(40)
77%
(114)
ab
cre
pres
ent
the
low
erqu
arti
lea,
the
med
ian
b,an
dth
eup
per
quar
tile
cfo
rco
ntin
uous
vari
able
s.N
isth
enu
mbe
rof
non–
mis
sing
valu
es.
Num
bers
afte
rpe
rcen
tsar
efr
eque
ncie
s.
5
Table 3: (continued)
N 1 VUBook 2 CommercialBook 3 NoBookGiven Combined1 Yes 22% ( 10) 24% ( 12) 25% ( 13) 23% ( 35)
Parenting class since last in-home ivw? : 0 No 122 100% ( 36) 100% ( 44) 95% ( 40) 98% (120)
1 Yes 0% ( 0) 0% ( 0) 5% ( 2) 2% ( 2)
Home visit prog. since last in-home ivw? : 0 No 100 85% (23) 78% (29) 83% (30) 82% (82)
1 Yes 15% ( 4) 22% ( 8) 17% ( 6) 18% (18)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
6
Tab
le4:
Impl
emen
tati
on,
Wav
e4
N1
VU
Boo
k2
Com
mer
cial
Boo
k3
NoB
ookG
iven
Com
bine
dN
=55
N=
57
N=
58
N=
170
Rea
dou
tlo
udto
child
?:
0N
o15
12%
(1)
0%(
0)
7%(
4)
3%(
5)
1Y
es98
%(
48)
100%
(48)
93%
(50)
97%
(146)
C’s
age
whe
nyo
ust
arte
dre
adin
gto
h/h?
:1:
Whi
leyo
uw
ere
preg
nant
151
69%
(34)
52%
(25)
70%
(38)
64%
(97)
2:B
irth
to2
mon
ths
27%
(13)
44%
(21)
15%
(8)
28%
(42)
3:3-
5m
onth
s2%
(1)
4%(
2)
7%(
4)
5%(
7)
4:6-
9m
onth
s0%
(0)
0%(
0)
0%(
0)
0%(
0)
5:10
-12
mon
ths
0%(
0)
0%(
0)
0%(
0)
0%(
0)
6:M
ore
than
1ye
arol
d0%
(0)
0%(
0)
0%(
0)
0%(
0)
7:Y
ouha
ven’
tst
arte
dye
t2%
(1)
0%(
0)
7%(
4)
3%(
5)
How
man
yti
mes
/wk
read
toch
ild?
151
3.0
00
4.00
07.0
00
2.0
00
3.00
04.6
25
2.1
25
3.50
05.3
75
2.0
00
3.50
05.2
50
How
man
yti
mes
/wk
read
toch
ild?
CA
T:
015
14%
(2)
2%(
1)
7%(
4)
5%(
7)
0<x<
26%
(3)
6%(
3)
9%(
5)
7%(1
1)
2≤x≤
449
%(2
4)
62%
(30)
48%
(26)
53%
(80)
4<x<
7.1
33%
(16)
23%
(11)
28%
(15)
28%
(42)
x≥7.
18%
(4)
6%(
3)
7%(
4)
7%(1
1)
How
man
yti
mes
/wk
othe
rre
ads
toch
ild?
:1:
neve
r14
833
%(1
6)
34%
(16)
40%
(21)
36%
(53)
2:1-
3ti
mes
aw
eek
38%
(18)
47%
(22)
32%
(17)
39%
(57)
3:4-
6ti
mes
aw
eek
17%
(8)
4%(
2)
17%
(9)
13%
(19)
4:ev
ery
day
10%
(5)
15%
(7)
9%(
5)
11%
(17)
5:m
ore
than
once
ada
y2%
(1)
0%(
0)
2%(
1)
1%(
2)
How
man
yti
mes
/wk
read
book
we
gave
you?
971
23
12
31
23
How
man
yti
mes
/wk
read
book
we
gave
you?
CA
T:
097
10%
(5)
6%(
3)
8%(
8)
0<x<
237
%(1
8)
33%
(16)
35%
(34)
2≤x≤
445
%(2
2)
54%
(26)
49%
(48)
4<x<
7.1
4%(
2)
4%(
2)
4%(
4)
x≥7.
14%
(2)
2%(
1)
3%(
3)
How
man
yti
mes
read
that
book
yest
erda
y:
097
78%
(38)
71%
(34)
74%
(72)
120
%(1
0)
25%
(12)
23%
(22)
22%
(1)
4%(
2)
3%(
3)
How
man
yti
mes
read
that
book
day
befo
re:
097
73%
(36)
54%
(26)
64%
(62)
124
%(1
2)
38%
(18)
31%
(30)
22%
(1)
8%(
4)
5%(
5)
Par
tici
pate
inbk
give
-aw
aypr
ogra
ms?
:0
No
151
78%
(38)
75%
(36)
69%
(37)
74%
(111)
1Y
es22
%(
11)
25%
(12)
31%
(17)
26%
(40)
ab
cre
pres
ent
the
low
erqu
arti
lea,
the
med
ian
b,an
dth
eup
per
quar
tile
cfo
rco
ntin
uous
vari
able
s.N
isth
enu
mbe
rof
non–
mis
sing
valu
es.
Num
bers
afte
rpe
rcen
tsar
efr
eque
ncie
s.
7
Table 4: (continued)
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedParenting class since last in-home ivw? : 0 No 141 100% ( 46) 98% ( 44) 100% ( 50) 99% (140)
1 Yes 0% ( 0) 2% ( 1) 0% ( 0) 1% ( 1)
Home visit prog. since last in-home ivw? : 0 No 107 88% (28) 86% (31) 90% (35) 88% (94)
1 Yes 12% ( 4) 14% ( 5) 10% ( 4) 12% (13)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
8
Tab
le5:
Impl
emen
tati
on,
Wav
e5
N1
VU
Boo
k2
Com
mer
cial
Boo
k3
NoB
ookG
iven
Com
bine
dN
=51
N=
53
N=
57
N=
161
Rea
dou
tlo
udto
child
?:
0N
o14
32%
(1)
0%(
0)
6%(
3)
3%(
4)
1Y
es98
%(
45)
100%
(46)
94%
(48)
97%
(139)
C’s
age
whe
nyo
ust
arte
dre
adin
gto
h/h?
:1:
Whi
leyo
uw
ere
preg
nant
143
72%
(33)
61%
(28)
73%
(37)
69%
(98)
2:B
irth
to2
mon
ths
24%
(11)
35%
(16)
16%
(8)
24%
(35)
3:3-
5m
onth
s4%
(2)
4%(
2)
8%(
4)
6%(
8)
4:6-
9m
onth
s0%
(0)
0%(
0)
2%(
1)
1%(
1)
5:10
-12
mon
ths
0%(
0)
0%(
0)
0%(
0)
0%(
0)
6:M
ore
than
1ye
arol
d0%
(0)
0%(
0)
0%(
0)
0%(
0)
7:Y
ouha
ven’
tst
arte
dye
t0%
(0)
0%(
0)
2%(
1)
1%(
1)
How
man
yti
mes
/wk
read
toch
ild?
143
2.0
03.
005.0
02.0
03.
005.0
02.2
53.
507.0
02.0
03.
005.2
5
How
man
yti
mes
/wk
read
toch
ild?
CA
T:
014
34%
(2)
2%(
1)
6%(
3)
4%(
6)
0<x<
215
%(
7)
11%
(5)
8%(
4)
11%
(16)
2≤x≤
448
%(2
2)
54%
(25)
41%
(21)
48%
(68)
4<x<
7.1
28%
(13)
30%
(14)
35%
(18)
31%
(45)
x≥7.
14%
(2)
2%(
1)
10%
(5)
6%(
8)
How
man
yti
mes
/wk
othe
rre
ads
toch
ild?
:1:
neve
r14
130
%(1
3)
26%
(12)
27%
(14)
28%
(39)
2:1-
3ti
mes
aw
eek
39%
(17)
41%
(19)
45%
(23)
42%
(59)
3:4-
6ti
mes
aw
eek
20%
(9)
15%
(7)
20%
(10)
18%
(26)
4:ev
ery
day
9%(
4)
13%
(6)
4%(
2)
9%(1
2)
5:m
ore
than
once
ada
y2%
(1)
4%(
2)
4%(
2)
4%(
5)
How
man
yti
mes
/wk
read
book
we
gave
you?
921.0
00
1.25
02.3
75
1.0
00
2.00
03.0
00
1.0
00
2.00
02.5
00
How
man
yti
mes
/wk
read
book
we
gave
you?
CA
T:
092
24%
(11)
4%(
2)
14%
(13)
0<x<
233
%(1
5)
33%
(15)
33%
(30)
2≤x≤
435
%(1
6)
50%
(23)
42%
(39)
4<x<
7.1
9%(
4)
13%
(6)
11%
(10)
How
man
yti
mes
read
that
book
yest
erda
y:
092
78%
(36)
83%
(38)
80%
(74)
117
%(
8)
13%
(6)
15%
(14)
24%
(2)
4%(
2)
4%(
4)
How
man
yti
mes
read
that
book
day
befo
re:
092
76%
(35)
61%
(28)
68%
(63)
120
%(
9)
33%
(15)
26%
(24)
24%
(2)
7%(
3)
5%(
5)
Par
tici
pate
inbk
give
-aw
aypr
ogra
ms?
:0
No
143
74%
(34)
74%
(34)
59%
(30)
69%
(98)
1Y
es26
%(1
2)
26%
(12)
41%
(21)
31%
(45)
Par
enti
ngcl
ass
sinc
ela
stin
-hom
eiv
w?
:0
No
143
100%
(46)
98%
(45)
98%
(50)
99%
(141)
ab
cre
pres
ent
the
low
erqu
arti
lea,
the
med
ian
b,an
dth
eup
per
quar
tile
cfo
rco
ntin
uous
vari
able
s.N
isth
enu
mbe
rof
non–
mis
sing
valu
es.
Num
bers
afte
rpe
rcen
tsar
efr
eque
ncie
s.
9
Table 5: (continued)
N 1 VUBook 2 CommercialBook 3 NoBookGiven Combined1 Yes 0% ( 0) 2% ( 1) 2% ( 1) 1% ( 2)
Home visit prog. since last in-home ivw? : 0 No 121 95% ( 39) 92% ( 37) 92% ( 37) 93% (113)
1 Yes 5% ( 2) 8% ( 3) 8% ( 3) 7% ( 8)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
10
Table 6: Implementation, Wave A
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 37 N = 36 N = 42 N = 115
How many times/wk read to child? 114 2.00 2.50 5.00 2.00 4.25 6.25 2.50 3.75 7.00 2.00 3.00 7.00
How many times/wk read to child? CAT : 0 114 0% ( 0) 0% ( 0) 7% ( 3) 3% ( 3)
0<x<2 22% ( 8) 8% ( 3) 7% ( 3) 12% (14)
2≤x≤4 47% (17) 42% (15) 40% (17) 43% (49)
4<x<7.1 22% ( 8) 44% (16) 43% (18) 37% (42)
x≥7.1 8% ( 3) 6% ( 2) 2% ( 1) 5% ( 6)
How many times/wk read book we gave you? 72 1.00 2.00 3.00 2.00 3.00 3.25 1.00 2.00 3.00
How many times/wk read book we gave you? CAT : 0 72 8% ( 3) 0% ( 0) 4% ( 3)
0<x<2 33% (12) 17% ( 6) 25% (18)
2≤x≤4 47% (17) 67% (24) 57% (41)
4<x<7.1 6% ( 2) 14% ( 5) 10% ( 7)
x≥7.1 6% ( 2) 3% ( 1) 4% ( 3)
How many times read that book yesterday : 0 72 67% (24) 56% (20) 61% (44)
1 28% (10) 39% (14) 33% (24)
2 6% ( 2) 6% ( 2) 6% ( 4)
How many times read that book day before : 0 72 53% (19) 44% (16) 49% (35)
1 42% (15) 36% (13) 39% (28)
2 3% ( 1) 19% ( 7) 11% ( 8)
3 3% ( 1) 0% ( 0) 1% ( 1)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
11
Table 7: Implementation, Wave B
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 37 N = 33 N = 41 N = 111
How many times/wk read to child? 110 2.50 4.00 7.00 2.50 4.00 7.00 1.00 3.25 7.00 2.00 3.50 7.00
How many times/wk read to child? CAT : 0 110 0% ( 0) 0% ( 0) 10% ( 4) 4% ( 4)
0<x<2 8% ( 3) 12% ( 4) 18% ( 7) 13% (14)
2≤x≤4 54% (20) 42% (14) 35% (14) 44% (48)
4<x<7.1 30% (11) 39% (13) 25% (10) 31% (34)
x≥7.1 8% ( 3) 6% ( 2) 12% ( 5) 9% (10)
How many times/wk read book we gave you? 70 1.5 2.0 3.0 1.5 2.0 4.0 1.5 2.0 3.5
How many times/wk read book we gave you? CAT : 0 70 5% ( 2) 9% ( 3) 7% ( 5)
0<x<2 22% ( 8) 18% ( 6) 20% (14)
2≤x≤4 57% (21) 48% (16) 53% (37)
4<x<7.1 16% ( 6) 24% ( 8) 20% (14)
How many times read that book yesterday : 0 70 59% (22) 82% (27) 70% (49)
1 38% (14) 12% ( 4) 26% (18)
2 3% ( 1) 3% ( 1) 3% ( 2)
3 0% ( 0) 3% ( 1) 1% ( 1)
How many times read that book day before : 0 70 57% (21) 30% (10) 44% (31)
1 38% (14) 55% (18) 46% (32)
2 5% ( 2) 12% ( 4) 9% ( 6)
3 0% ( 0) 3% ( 1) 1% ( 1)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
12
Table 8: Implementation, Wave C
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 31 N = 35 N = 40 N = 106
How many times/wk read to child? 106 2.25 3.00 5.00 2.50 4.00 7.00 2.00 3.50 7.00 2.50 3.50 7.00
How many times/wk read to child? CAT : 0 106 3% ( 1) 0% ( 0) 2% ( 1) 2% ( 2)
0<x<2 10% ( 3) 6% ( 2) 8% ( 3) 8% ( 8)
2≤x≤4 58% (18) 57% (20) 48% (19) 54% (57)
4<x<7.1 26% ( 8) 34% (12) 32% (13) 31% (33)
x≥7.1 3% ( 1) 3% ( 1) 10% ( 4) 6% ( 6)
How many times/wk read book we gave you? 65 1.000 2.000 3.000 1.500 2.500 3.875 1.000 2.000 3.500
How many times/wk read book we gave you? CAT : 0 65 13% ( 4) 6% ( 2) 9% ( 6)
0<x<2 29% ( 9) 24% ( 8) 26% (17)
2≤x≤4 42% (13) 56% (19) 49% (32)
4<x<7.1 16% ( 5) 15% ( 5) 15% (10)
How many times read that book yesterday : 0 65 65% (20) 50% (17) 57% (37)
1 32% (10) 35% (12) 34% (22)
2 3% ( 1) 6% ( 2) 5% ( 3)
3 0% ( 0) 6% ( 2) 3% ( 2)
4 0% ( 0) 3% ( 1) 2% ( 1)
How many times read that book day before : 0 65 52% (16) 56% (19) 54% (35)
1 45% (14) 32% (11) 38% (25)
2 3% ( 1) 9% ( 3) 6% ( 4)
3 0% ( 0) 3% ( 1) 2% ( 1)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
13
Table 9: Implementation, Wave D
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 29 N = 30 N = 40 N = 99
How many times/wk read to child? 99 2.000 3.000 5.000 2.125 3.750 6.250 2.000 3.250 6.250 2.000 3.500 5.750
How many times/wk read to child? CAT : 0 99 3% ( 1) 10% ( 3) 2% ( 1) 5% ( 5)
0<x<2 10% ( 3) 3% ( 1) 15% ( 6) 10% (10)
2≤x≤4 59% (17) 50% (15) 42% (17) 49% (49)
4<x<7.1 24% ( 7) 30% ( 9) 30% (12) 28% (28)
x≥7.1 3% ( 1) 7% ( 2) 10% ( 4) 7% ( 7)
How many times/wk read book we gave you? 59 1.000 2.000 3.000 1.125 2.000 3.000 1.000 2.000 3.000
How many times/wk read book we gave you? CAT : 0 59 10% ( 3) 17% ( 5) 14% ( 8)
0<x<2 28% ( 8) 13% ( 4) 20% (12)
2≤x≤4 52% (15) 57% (17) 54% (32)
4<x<7.1 7% ( 2) 7% ( 2) 7% ( 4)
x≥7.1 3% ( 1) 7% ( 2) 5% ( 3)
How many times read that book yesterday : 0 59 69% (20) 57% (17) 63% (37)
1 28% ( 8) 37% (11) 32% (19)
2 3% ( 1) 7% ( 2) 5% ( 3)
How many times read that book day before : 0 59 66% (19) 53% (16) 59% (35)
1 34% (10) 27% ( 8) 31% (18)
2 0% ( 0) 17% ( 5) 8% ( 5)
3 0% ( 0) 3% ( 1) 2% ( 1)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
14
Table 10: Implementation, Wave E
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 30 N = 29 N = 44 N = 103
How many times/wk read to child? 101 2.5 3.0 7.0 2.0 3.5 6.0 2.5 4.5 7.0 2.5 4.0 7.0
How many times/wk read to child? CAT : 0 101 0% ( 0) 0% ( 0) 5% ( 2) 2% ( 2)
0<x<2 17% ( 5) 10% ( 3) 7% ( 3) 11% (11)
2≤x≤4 48% (14) 55% (16) 37% (16) 46% (46)
4<x<7.1 31% ( 9) 28% ( 8) 42% (18) 35% (35)
x≥7.1 3% ( 1) 7% ( 2) 9% ( 4) 7% ( 7)
How many times/wk read book we gave you? 58 1.0 2.0 3.0 1.0 2.0 3.5 1.0 2.0 3.0
How many times/wk read book we gave you? CAT : 0<x<2 58 48% (14) 28% ( 8) 38% (22)
2≤x≤4 41% (12) 66% (19) 53% (31)
4<x<7.1 10% ( 3) 3% ( 1) 7% ( 4)
x≥7.1 0% ( 0) 3% ( 1) 2% ( 1)
How many times read that book yesterday : 0 58 59% (17) 55% (16) 57% (33)
1 41% (12) 31% ( 9) 36% (21)
2 0% ( 0) 14% ( 4) 7% ( 4)
How many times read that book day before : 0 58 31% ( 9) 45% (13) 38% (22)
1 62% (18) 38% (11) 50% (29)
2 7% ( 2) 17% ( 5) 12% ( 7)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
15
Table 11: Implementation, Wave F
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 29 N = 36 N = 42 N = 107
How many times/wk read to child? 107 2.00 4.00 7.00 2.00 3.50 6.25 2.00 3.25 6.75 2.00 3.50 7.00
How many times/wk read to child? CAT : 0 107 7% ( 2) 8% ( 3) 2% ( 1) 6% ( 6)
0<x<2 10% ( 3) 3% ( 1) 10% ( 4) 7% ( 8)
2≤x≤4 38% (11) 47% (17) 45% (19) 44% (47)
4<x<7.1 28% ( 8) 39% (14) 38% (16) 36% (38)
x≥7.1 17% ( 5) 3% ( 1) 5% ( 2) 7% ( 8)
How many times/wk read book we gave you? 65 1.0 1.0 2.5 1.0 2.0 3.0 1.0 2.0 3.0
How many times/wk read book we gave you? CAT : 0 65 17% ( 5) 11% ( 4) 14% ( 9)
0<x<2 38% (11) 33% (12) 35% (23)
2≤x≤4 31% ( 9) 50% (18) 42% (27)
4<x<7.1 14% ( 4) 3% ( 1) 8% ( 5)
x≥7.1 0% ( 0) 3% ( 1) 2% ( 1)
How many times read that book yesterday : 0 65 69% (20) 72% (26) 71% (46)
1 28% ( 8) 17% ( 6) 22% (14)
1.5 0% ( 0) 3% ( 1) 2% ( 1)
2 3% ( 1) 8% ( 3) 6% ( 4)
How many times read that book day before : 0 65 69% (20) 58% (21) 63% (41)
1 28% ( 8) 36% (13) 32% (21)
2 3% ( 1) 0% ( 0) 2% ( 1)
3 0% ( 0) 3% ( 1) 2% ( 1)
6 0% ( 0) 3% ( 1) 2% ( 1)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
16
Table 12: Implementation, Wave G
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 23 N = 35 N = 44 N = 102
How many times/wk read to child? 101 2.5 4.0 7.0 2.0 3.5 7.0 2.0 3.5 7.0 2.0 3.5 7.0
How many times/wk read to child? CAT : 0 101 0% ( 0) 0% ( 0) 7% ( 3) 3% ( 3)
0<x<2 17% ( 4) 3% ( 1) 7% ( 3) 8% ( 8)
2≤x≤4 39% ( 9) 51% (18) 42% (18) 45% (45)
4<x<7.1 22% ( 5) 34% (12) 35% (15) 32% (32)
x≥7.1 22% ( 5) 11% ( 4) 9% ( 4) 13% (13)
How many times/wk read book we gave you? 58 1.000 1.500 2.000 1.500 2.000 4.500 1.000 2.000 3.875
How many times/wk read book we gave you? CAT : 0<x<2 58 61% (14) 29% (10) 41% (24)
2≤x≤4 26% ( 6) 46% (16) 38% (22)
4<x<7.1 13% ( 3) 23% ( 8) 19% (11)
x≥7.1 0% ( 0) 3% ( 1) 2% ( 1)
How many times read that book yesterday : 0 58 65% (15) 43% (15) 52% (30)
1 26% ( 6) 46% (16) 38% (22)
1.5 4% ( 1) 0% ( 0) 2% ( 1)
2 4% ( 1) 11% ( 4) 9% ( 5)
How many times read that book day before : 0 58 65% (15) 40% (14) 50% (29)
1 30% ( 7) 51% (18) 43% (25)
2 0% ( 0) 6% ( 2) 3% ( 2)
2.5 0% ( 0) 3% ( 1) 2% ( 1)
3 4% ( 1) 0% ( 0) 2% ( 1)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
17
Table 13: Implementation, Wave H
N 1 VUBook 2 CommercialBook 3 NoBookGiven CombinedN = 25 N = 37 N = 40 N = 102
How many times/wk read to child? 102 2.500 4.000 7.000 2.000 3.500 7.000 2.000 3.250 5.625 2.000 3.500 7.000
How many times/wk read to child? CAT : 0 102 4% ( 1) 3% ( 1) 0% ( 0) 2% ( 2)
0<x<2 16% ( 4) 14% ( 5) 8% ( 3) 12% (12)
2≤x≤4 32% ( 8) 38% (14) 52% (21) 42% (43)
4<x<7.1 40% (10) 35% (13) 30% (12) 34% (35)
x≥7.1 8% ( 2) 11% ( 4) 10% ( 4) 10% (10)
How many times/wk read book we gave you? 62 1.0 1.0 2.0 1.0 2.0 3.5 1.0 2.0 3.0
How many times/wk read book we gave you? CAT : 0 62 16% ( 4) 8% ( 3) 11% ( 7)
0<x<2 44% (11) 22% ( 8) 31% (19)
2≤x≤4 32% ( 8) 57% (21) 47% (29)
4<x<7.1 8% ( 2) 14% ( 5) 11% ( 7)
How many times read that book yesterday : 0 62 72% (18) 57% (21) 63% (39)
1 20% ( 5) 27% (10) 24% (15)
1.5 0% ( 0) 3% ( 1) 2% ( 1)
2 8% ( 2) 8% ( 3) 8% ( 5)
3 0% ( 0) 3% ( 1) 2% ( 1)
4 0% ( 0) 3% ( 1) 2% ( 1)
How many times read that book day before : 0 62 56% (14) 49% (18) 52% (32)
1 40% (10) 35% (13) 37% (23)
2 4% ( 1) 14% ( 5) 10% ( 6)
2.5 0% ( 0) 3% ( 1) 2% ( 1)
a b c represent the lower quartile a, the median b, and the upperquartile c for continuous variables.N is the number of non–missing values.Numbers after percents are frequencies.
18
Were there any conflicting reports of reading? These are the family ids of mothers who reported that theamount of reading today and yesterday was more than in the past week.
> bigdat$awfamid[which(bigdat$awhlq10 + bigdat$awhlq11 > bigdat$awhlq09)]
Family ID[1] 1465 1587 1225 1608 1027 1246 1308 1333 1458 1223 1265 1043 1140 1225 1465[16] 1496 1667 1139 1294 1501 1150 1422 1635 1225 1462 1118 1139 1462 1621
0 2 4 6 8 10
02
46
810
Means of awhlq03 by Study Group Over Time
Baby's Age (months)
How
man
y tim
es/w
k re
ad to
chi
ld?
●
●
●
●
●
●●
●
●
●
●
● ●
●
●
●
● ●●
●●
●
● ●●
●
●
●
● ●
●● ●
●
●
●
●
●
●
●
●
●
1 VUBook3 NoBookGiven2 CommercialBook
19
0 0<x<2 2<=x<=4 4<x<7.1
020
40 30
59
1
awhlq09, Wave 2
How many times/wk read book we gave you? CAT
Fre
quen
cy
0 0<x<2 4<x<7.1
020
40
3
18
41
73
awhlq09, Wave A
How many times/wk read book we gave you? CAT
Fre
quen
cy
0 0<x<2 2<=x<=4 4<x<7.1
020
40
514
37
14
awhlq09, Wave B
How many times/wk read book we gave you? CAT
Fre
quen
cy
0 0<x<2 4<x<7.1
020
40
7
3644
82
awhlq09, Wave 3
How many times/wk read book we gave you? CAT
Fre
quen
cy
0 0<x<2 2<=x<=4 4<x<7.1
020
40
6
17
32
10
awhlq09, Wave C
How many times/wk read book we gave you? CAT
Fre
quen
cy
0 0<x<2 4<x<7.1
020
40
812
32
4 3
awhlq09, Wave D
How many times/wk read book we gave you? CAT
Fre
quen
cy
20
0 0<x<2 4<x<7.1
020
40
8
34
48
4 3
awhlq09, Wave 4
How many times/wk read book we gave you? CAT
Fre
quen
cy
0<x<2 2<=x<=4 4<x<7.1 x>=7.1
020
40
2231
4 1
awhlq09, Wave E
How many times/wk read book we gave you? CAT
Fre
quen
cy
0 0<x<2 4<x<7.1
020
40
9
23 27
5 1
awhlq09, Wave F
How many times/wk read book we gave you? CAT
Fre
quen
cy
0 0<x<2 2<=x<=4 4<x<7.1
020
40
13
3039
10
awhlq09, Wave 5
How many times/wk read book we gave you? CAT
Fre
quen
cy
0<x<2 2<=x<=4 4<x<7.1 x>=7.1
020
40
24 22
111
awhlq09, Wave G
How many times/wk read book we gave you? CAT
Fre
quen
cy
0 0<x<2 2<=x<=4 4<x<7.1
020
40
7
1929
7
awhlq09, Wave H
How many times/wk read book we gave you? CAT
Fre
quen
cy
21
0 No1 Yes
0 No1 Yes
0 No1 Yes
●
●
●
●
●
●
1 VUBook
2 CommercialBook
3 NoBookGiven
0.0 0.2 0.4 0.6 0.8 1.0
Dotplot of Read out loud to child? across Study Group, Wave 1
Proportion
0 No1 Yes
0 No1 Yes
0 No1 Yes
●
●
●
●
●
●
1 VUBook
2 CommercialBook
3 NoBookGiven
0.0 0.2 0.4 0.6 0.8 1.0
Dotplot of Read out loud to child? across Study Group, Wave 2
Proportion
0 No1 Yes
0 No1 Yes
0 No1 Yes
●
●
●
●
●
●
1 VUBook
2 CommercialBook
3 NoBookGiven
0.0 0.2 0.4 0.6 0.8 1.0
Dotplot of Read out loud to child? across Study Group, Wave 3
Proportion
0 No1 Yes
0 No1 Yes
0 No1 Yes
●
●
●
●
●
●
1 VUBook
2 CommercialBook
3 NoBookGiven
0.0 0.2 0.4 0.6 0.8 1.0
Dotplot of Read out loud to child? across Study Group, Wave 4
Proportion
0 No1 Yes
0 No1 Yes
0 No1 Yes
●
●
●
●
●
●
1 VUBook
2 CommercialBook
3 NoBookGiven
0.0 0.2 0.4 0.6 0.8 1.0
Dotplot of Read out loud to child? across Study Group, Wave 5
Proportion
22
awhlq03 Over Time, by Study Group
Baby's Age in Months
How
man
y tim
es/w
k re
ad to
chi
ld?
●●●● ●●●●
●
●●
●
●● ●●●●●
●●
●
●
●
●
●●
●
●
●
●
●
●
● ●
●
●
●
●
●
●
●
● ●
●
●
●●
●
● ●
●
● ●● ●
●
●
●
●
●
●
●
●
●
●
●
●
●
●● ●
●
●●
●
●
●
●
● ●
●
●
0
10
20
30
40
−1 2 2.5 3 4 4.5 5 6 6.5 7.5 9 9.5 10.5
studygrp
1 VUBook
2 CommercialBook
3 NoBookGiven
23
awhlq03 Over Time, by Study Group
Baby's Age (months)
How
man
y tim
es/w
k re
ad to
chi
ld?
0
10
20
30
40
0 2 4 6 8 10
1 VUBook 2 CommercialBook0
10
20
30
40
3 NoBookGiven
24