Table 5.
Variable | Random intercept model | Random coefficient model | |||||||||
|
Coefficienta (SE) | t valueb | P value | Coefficienta | t value | P value | |||||
Level-2 variable: LWAGEc | 0.751 (0.149) | 5.050 | <.001 | 0.730 (0.067) | 10.893 | <.001 | |||||
Level-1 variables |
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|
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|
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|
Intercept | −0.537 (0.048) | –11.203 | <.001 | −0.619 (0.036) | –17.230 | <.001 | ||||
|
LWVOLd | 0.060 (0.006) | 9.876 | <.001 | 0.069 (0.012) | 5.598 | <.001 | ||||
|
WVALe | 0.412 (0.022) | 18.551 | <.001 | 0.371 (0.037) | 10.027 | <.001 | ||||
|
LPSALEf | 0.091 (0.004) | 20.566 | <.001 | 0.073 (0.008) | 8.805 | <.001 | ||||
|
CLg | 0.378 (0.013) | 29.304 | <.001 | 0.411 (0.017) | 24.345 | <.001 | ||||
|
HLh | 0.325 (0.017) | 19.207 | <.001 | 0.320 (0.017) | 18.996 | <.001 | ||||
Control Variables |
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LWORDi | 0.079 (0.006) | 12.523 | <.001 | 0.071 (0.006) | 11.056 | <.001 | ||||
|
LTENUREj | 0.017 (0.008) | 2.275 | .02 | 0.013 (0.008) | 1.766 | .08 | ||||
|
LCTk | 0.082 (0.002) | 45.378 | <.001 | 0.082 (0.002) | 45.624 | <.001 | ||||
|
DIVl: Surgery | −0.128 (0.017) | –7.715 | <.001 | −0.131 (0.017) | –7.921 | <.001 | ||||
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DIV: Gynecology-obstetrics | 0.059 (0.021) | 2.745 | .006 | 0.062 (0.021) | 2.881 | .004 | ||||
|
DIV: Pediatrics | 0.049 (0.020) | 2.490 | .01 | 0.055 (0.020) | 2.778 | .06 | ||||
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DIV: Orthopedics | −0.211 (0.023) | –9.121 | <.001 | −0.212 (0.023) | –9.187 | <.001 | ||||
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DIV: Ophthalmology | −0.018 (0.026) | –0.694 | .49 | −0.017 (0.026) | –0.651 | .52 | ||||
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DIV: Oral health | −0.189 (0.031) | –6.021 | <.001 | −0.191 (0.031) | –6.118 | <.001 | ||||
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DIV: Cancer | −0.047 (0.030) | –1.585 | .11 | −0.042 (0.029) | –1.424 | .15 | ||||
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DIV: Chinese medicine | −0.345 (0.030) | –16.375 | <.001 | −0.337 (0.021) | –16.023 | <.001 | ||||
|
DIV: Others | 0.024 (0.017) | 1.394 | .16 | 0.026 (0.017) | 1.510 | .13 |
aStandardized regression coefficient.
bDegrees of freedom=28 for provincial wage level and 15,961 for the other variables.
cLWAGE: natural logarithm of provincial wage level.
dLWVOL: natural logarithm of doctor’s electronic word of mouth volume.
eWVAL: doctor’s electronic word of mouth valence.
fLPSALE: natural logarithm of past online sales.
gCL: clinic title.
hHL: hospital level.
iLWORD: natural logarithm of the length of the doctor’s profile.
jLTENURE: natural logarithm of the doctor’s tenure on Haodf.
kLCT: length of consulting time.
lDIV: division.