From: Change of urinary fluoride and bone metabolism indicators in the endemic fluorosis areas of southern china after supplying low fluoride public water
Village
Indicator
Model
χ2
P
BMD (mg/L)
BMDL (mg/L)
A
BGP
Logistic
0.82
0.66
0.98
0.62
B
CT
Quantal-linear
0.05
0.64
0.38
C
ALP
3.34
0.19
2.30
0.84
D
Bone density
Log-logistic
1.51
0.47
0.94
0.88