24
Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009 1

Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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Page 1: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

Baby Books: Implementation

Ben Saville, PhD, and JoAnn Alvarez

February 16, 2009

1

Page 2: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 3: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 4: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 5: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 6: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 7: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 8: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 9: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

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9

Page 10: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 11: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 12: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 13: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 14: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 15: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 16: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 17: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 18: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 19: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 20: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 21: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 22: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 23: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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

Page 24: Baby Books: Implementationbiostat.mc.vanderbilt.edu/wiki/pub/Main/CepiPlans/implementation.pdf · Baby Books: Implementation Ben Saville, PhD, and JoAnn Alvarez February 16, 2009

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