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o
r
m
a
t
i
o
n
a
b
o
u
t
h
o
w
to
us
e
t
h
e
c
o
n
tr
a
c
e
pt
i
ve
s
[
17]
.
Ho
we
v
e
r
,
d
i
f
f
e
r
e
n
t
r
e
s
u
l
t
i
s
o
b
t
a
i
n
e
d
w
h
e
n
t
h
e
s
t
udy
wa
s
c
o
n
duc
t
e
d
to
c
o
l
o
r
e
d
pe
o
pl
e
.
I
t
i
s
due
t
o
t
h
e
i
r
l
a
c
k
o
f
e
duc
a
t
i
o
n
a
b
o
ut
bi
r
t
h
c
o
n
t
r
o
l
a
n
d
f
o
r
m
a
l
i
n
f
o
r
m
a
t
i
o
n
a
b
o
ut
f
a
mi
ly
p
l
a
nni
ng
[
18]
.
3.
2.
3.
T
h
e
r
e
l
at
ion
b
e
t
we
e
n
t
h
e
n
u
m
b
e
r
of
c
h
il
d
r
e
n
an
d
h
u
s
b
an
d
s
’
p
ar
t
icip
at
ion
i
n
f
am
il
y
p
l
an
n
in
g
B
a
s
e
d
o
n
t
h
e
bi
va
r
i
a
t
e
a
n
a
ly
s
i
s
,
t
h
e
s
i
g
ni
f
i
c
a
n
t
v
a
l
ue
i
s
0.
103
(
p>
0.
05
)
.
I
t
s
h
o
ws
t
h
a
t
,
s
t
a
t
i
s
t
i
c
a
ll
y
,
t
h
e
r
e
i
s
n
o
s
i
g
ni
f
i
c
a
n
t
r
e
l
a
t
i
o
n
b
e
t
we
e
n
t
he
n
u
m
be
r
o
f
c
hil
dr
e
n
a
n
d
h
us
b
a
n
d
’
s
pa
r
t
i
c
i
pa
t
i
o
n
i
n
f
a
m
il
y
p
l
a
nni
ng.
T
h
e
P
r
e
v
a
l
e
n
t
R
a
t
i
o
i
s
0.
0849
(
C
l
95%
=
0.
640
–
1.
1
25)
,
m
e
a
n
s
t
h
a
t
t
h
e
a
n
a
l
y
z
e
d
f
a
c
t
or
c
a
n
de
c
r
e
a
s
e
t
h
e
di
s
e
a
s
e
pr
e
v
a
l
e
n
c
e
.
I
n
ot
h
e
r
wo
r
ds
,
t
h
e
v
a
r
i
a
bl
e
b
e
l
o
n
g
s
to
pr
ot
e
c
t
i
ve
f
a
c
t
o
r
.
I
t
s
h
o
ws
t
h
a
t
t
h
e
n
u
m
b
e
r
o
f
t
h
e
c
hil
dr
e
n
i
s
n
o
t
t
h
e
r
i
s
k
f
a
c
t
o
r
o
f
h
us
b
a
n
d
’
s
pa
r
t
i
c
i
pa
t
i
o
n
a
s
a
c
c
e
pto
r
i
n
f
a
mi
ly
p
l
a
nni
ng.
B
e
r
t
r
a
n
d
T
h
e
o
r
y
s
t
a
t
e
s
t
h
a
t
t
h
e
n
u
m
be
r
o
f
t
h
e
c
hil
dr
e
n
i
s
o
n
e
f
a
c
t
o
r
i
nf
l
ue
n
c
i
ng
a
n
i
nd
i
v
i
dua
l
pa
r
t
i
c
i
pa
t
i
n
g
i
n
f
a
mi
ly
p
l
a
nni
ng
[
19]
.
T
h
o
s
e
wh
o
h
a
v
e
m
o
r
e
t
h
a
n
2
c
hi
l
dr
e
n
t
e
n
d
to
h
a
v
e
t
h
e
w
i
ll
i
n
gn
e
s
s
to
pa
r
t
i
c
i
pa
t
e
c
o
m
pa
r
e
d
t
o
t
h
o
s
e
wh
o
h
a
v
e
l
e
s
s
t
h
a
n
2
c
hil
dr
e
n
.
T
h
e
t
h
e
o
r
y
i
s
n
ot
i
n
li
ne
w
i
t
h
t
h
e
r
e
s
e
a
r
c
h
r
e
s
u
l
t
.
B
a
s
e
d
o
n
t
h
e
r
e
s
e
a
r
c
h
,
f
e
r
t
i
l
e
c
o
up
l
e
s
i
n
R
a
n
du
s
a
n
ga
K
u
l
o
n
vi
ll
a
ge
w
h
o
h
a
v
e
l
e
s
s
t
h
a
n
2
c
hil
dr
e
n
ten
d
t
o
b
e
t
h
e
a
c
c
e
pto
r
o
f
f
a
mi
ly
p
l
a
nni
ng.
I
t
i
s
i
n
a
c
c
o
r
da
n
c
e
w
i
t
h
t
h
e
n
a
t
i
o
n
a
l
pr
o
gr
a
m
,
f
o
r
t
h
e
l
i
f
e
o
f
m
ot
h
e
r
a
n
d
c
hil
dr
e
n
.
R
e
pr
o
duc
t
i
v
e
h
e
a
l
t
h
i
s
a
i
m
e
d
a
t
i
m
pr
o
vi
n
g
t
h
e
h
e
a
l
t
h
o
f
m
o
t
h
e
r
a
n
d
c
hil
dr
e
n
[
20]
.
4.
CONC
L
USI
ON
T
h
e
r
e
i
s
s
i
g
ni
f
i
c
a
n
t
r
e
l
a
t
i
o
n
b
e
t
we
e
n
h
u
s
b
a
n
ds
’
kn
o
w
l
e
dge
a
n
d
pa
r
t
i
c
i
pa
t
i
o
n
i
n
f
a
mi
ly
p
l
a
nni
ng
i
n
R
a
n
dus
a
n
ga
K
u
l
o
n
V
il
l
a
ge
,
B
r
e
b
e
s
r
e
ge
n
c
y
,
C
e
nt
r
a
l
J
a
v
a
.
T
he
r
e
i
s
s
i
g
ni
f
i
c
a
n
t
r
e
l
a
t
i
o
n
b
e
t
we
e
n
hus
ba
n
ds
’
e
duc
a
t
i
o
n
a
n
d
pa
r
t
i
c
i
pa
t
i
o
n
i
n
f
a
mi
ly
p
l
a
nni
ng
i
n
R
a
n
dus
a
n
ga
K
u
l
o
n
vil
l
a
ge
,
B
r
e
b
e
s
R
e
g
e
n
c
y
,
C
e
n
t
r
a
l
J
a
v
a
.
T
h
e
r
e
i
s
n
o
s
i
g
nif
i
c
a
n
t
r
e
l
a
t
i
o
n
b
e
t
we
e
n
t
h
e
n
u
m
b
e
r
o
f
c
hil
dr
e
n
a
n
d
h
us
b
a
n
d
s
’
pa
r
t
i
c
i
p
a
t
i
o
n
i
n
t
he
f
a
mi
l
y
p
l
a
nni
ng
pr
o
gr
a
m
i
n
R
a
n
du
s
a
n
ga
K
u
l
o
n
,
B
r
e
b
e
s
R
e
ge
nc
y
,
C
e
n
t
r
a
l
J
a
v
a
.
RE
F
E
R
E
NC
E
[1
]
Su
l
i
s
t
y
a
w
at
i
,
A
r
i
.
(2
0
1
1
).
Fam
i
l
y
Pl
a
n
n
i
n
g
S
e
rv
i
ce
s
.
J
ak
art
a.
Sal
em
b
a
M
ed
i
k
a.
[2
]
N
at
i
o
n
a
l
Po
p
u
l
at
i
o
n
a
n
d
Fa
mi
l
y
P
l
an
n
i
n
g
B
o
ard
(B
K
K
B
N
).
(2
0
1
4
)
,
Pe
r
cen
t
ag
e
o
f
U
s
e
o
f
N
at
i
o
n
a
l
M
o
d
e
r
n
Co
n
t
race
p
t
i
o
n
(i
n
Bah
as
a:
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d
an
K
e
p
en
d
u
d
u
k
an
d
an
K
e
l
u
arg
a
B
e
r
en
c
an
a
N
as
i
o
n
al
(B
K
K
BN
)
.
(2
0
1
4
).
Pe
rs
e
n
t
as
e
Pem
ak
a
i
an
A
l
at
K
o
n
t
ras
e
p
s
i
M
o
d
e
rn
N
as
i
o
n
a
l
,
[o
n
l
i
n
e
]
A
v
ai
l
a
b
l
e
:
h
t
t
p
:
/
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w
w
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b
k
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as
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[3
]
N
at
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p
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a
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d
Fa
mi
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(
i
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Ba
h
a
s
a:
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an
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p
en
d
u
d
u
k
a
n
d
a
n
K
el
u
ar
g
a
B
e
r
e
n
c
a
n
a
N
as
i
o
n
al
(BK
K
B
N
)
Pro
v
i
n
ce
C
en
t
ral
J
av
a.
(2
0
1
2
).
Re
s
u
l
t
s
o
f
A
c
q
u
i
s
i
t
i
o
n
o
f
N
ew
K
b
Part
i
c
i
p
an
t
s
.
[o
n
l
i
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e
]
A
v
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l
a
b
l
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:
h
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:
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a
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b
k
k
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g
o
.
i
d
/
d
at
a/
d
e
fa
u
l
t
.
as
p
x
.
(N
o
v
em
b
e
r
2
0
,
2
0
1
4
).
[4
]
Be
rh
a
n
e
,
A
.
,
B
i
ad
g
i
l
i
g
n
,
S
.
,
A
m
b
e
rb
i
rs
,
A
.
,
A
l
em
a
y
eh
u
,
B.
,
&
D
e
r
i
b
e
s
,
K
.
(2
0
1
1
).
Me
n
’s
K
n
o
w
l
e
d
g
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a
n
d
Sp
o
u
s
al
Co
mm
u
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at
i
o
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o
u
t
Mo
d
e
r
n
Fa
m
i
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y
Pl
a
n
n
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M
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t
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E
t
h
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p
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.
A
f
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o
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R
ep
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o
d
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ct
i
ve
H
ea
l
t
h
D
ecem
b
e
r
2
0
1
1
;
1
5
(
4
):
2
9
–
3
1
.
[5
]
S
y
a’ro
n
i
.
(2
0
0
8
).
L
o
w
Mal
e
Part
i
ci
p
at
i
o
n
i
n
Br
e
b
e
s
t
o
J
o
i
n
K
B
.
[o
n
l
i
n
e
]
A
v
a
i
l
ab
l
e
:
h
t
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p
:
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al
t
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k
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m
p
as
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c
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/
2
0
0
8
/
0
1
/
1
8
/
2
1
1
8
2
6
5
6
/
,
(
Marc
h
3
,
2
0
1
4
).
[6
]
Ce
n
t
ral
St
at
i
s
t
i
c
s
A
g
en
cy
o
f
Br
e
b
e
s
D
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s
t
ri
c
t
.
(2
0
1
4
).
St
at
i
s
t
i
k
D
a
e
rah
Br
e
b
e
s
D
i
s
t
ri
c
t
i
n
2
0
1
3
.
[o
n
l
i
n
e
]
A
v
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l
a
b
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:
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:
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b
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k
ab
.
b
p
s
.
g
o
.
i
d
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x
.
p
h
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?h
al
=
p
u
b
l
i
k
as
i
_
d
e
t
i
l
&i
d
=
2
8
,
(J
an
u
ari
3
,
2
0
1
5
).
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t
.
J
.
P
ubl
i
c
He
a
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t
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c
i
.
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N:
2252
-
8806
Hus
band’
s
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no
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,
c
har
ac
te
r
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ti
c
s
and
par
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in
f
ami
ly
planni
ng
(
Suc
i
M
us
v
it
a
A
y
u
)
35
[7
]
Ce
n
t
ral
St
at
i
s
t
i
c
s
A
g
e
n
cy
o
f
Br
e
b
e
s
D
i
s
t
ri
c
t
.
(2
0
1
4
).
Bre
b
e
s
D
i
s
t
ri
c
t
i
n
2
0
1
4
.
[o
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l
i
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e
]
A
v
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a
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.
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i
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&i
d
=
2
8
,
(J
an
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3
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2
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5
).
[1
8
]
Fark
as
A
,
V
an
d
e
rb
e
r
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R,
Su
c
at
o
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S,
M
i
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e
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E
,
A
k
e
rs
A
,
.
2
0
1
5
.
Rac
i
al
an
d
E
t
h
n
i
c
D
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ff
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