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. 2021 Jul 14;23(7):e29170. doi: 10.2196/29170

Table 5.

Hierarchical linear model results for the effects of determinants on online health care consulting prices.

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






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






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

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

DIV: Orthopedics −0.211 (0.023) –9.121 <.001 −0.212 (0.023) –9.187 <.001

DIV: Ophthalmology −0.018 (0.026) –0.694 .49 −0.017 (0.026) –0.651 .52

DIV: Oral health −0.189 (0.031) –6.021 <.001 −0.191 (0.031) –6.118 <.001

DIV: Cancer −0.047 (0.030) –1.585 .11 −0.042 (0.029) –1.424 .15

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.