| |
Urban
|
Rural
|
|---|
| |
β
|
p
|
β
|
p
|
|---|
|
Intercept
|
16.8
|
< 0.0001
|
9.9
|
< 0.0001
|
|
Age groups
|
−0.7
|
< 0.0001
|
−0.6
|
< 0.0001
|
|
Highest educationa
|
|
Middle school
|
−1.3
|
< 0.0001
|
−0.6
|
< 0.0001
|
|
High school& above
|
−1.6
|
< 0.0001
|
−1.2
|
< 0.0001
|
|
Household size
|
−0.1
|
< 0.0001
|
0.2
|
< 0.0001
|
|
BMI at 25 years old
|
0.4
|
< 0.0001
|
0.2
|
< 0.0001
|
|
Age at menarche
|
0.2
|
< 0.0001
|
0.2
|
< 0.0001
|
|
Oral contraceptive pills use
|
−0.5
|
< 0.0001
|
−2.8
|
< 0.0001
|
|
Age at first birth
|
−0.2
|
< 0.0001
|
0.2
|
< 0.0001
|
- aReference: no formal school & primary school
- Model is adjusted for regional difference, age groups, highest level of education, household size, BMI at age 25, age at menarche, use of oral contraceptive pills and age at first birth
