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An Invisible Leverage in the Adoption of Online Social Support Community
Unformatted Document Text:  Running Head: Invisible Leverage in Adoption of Online Social Support Community 32 Table 4. Curvilinear Regression Analysis of Frequency Activity of Major Contributors on Adoption Blocks of Independent Variables Std. Beta R-square Change Total R-square Adjusted R-square Toleranceª Centered FAMC .267** .071** .071 .066 1.000 Centered FAMC Centered FAMC2 1.106** -.969** .235** .306 .298 .250 .250 Postings per Adopter Centered FAMC¹ Centered FAMC2¸Centered FAMC3¹ 1.569** -3.56** 2.215** .056** .361 .351 .127 .008 .011 Centered FAMC .040 .002 .002 -.004 Centered FAMC Centered FAMC2 .221 -.209 .011 .013 .002 Duration of Adopter Centered FAMC Centered FAMC2 Centered FAMC3 .572** -2.170** 1.676* .032* .044 .029 Centered FAMC .187** .035* .035 .030 Centered FAMC Centered FAMC2 .847** -.762** .145** .180 .171 Postings per Adopter Excluding Major Contributor Centered FAMC Centered FAMC2 Centered FAMC3 1.258** -3.065** 1.968* .044* .224 .211 Centered FAMC .072 .005 .005 .000 Centered FAMC Centered FAMC2 .271 -.230 .013 .018 .008 Duration of Adopter Excluding Major Contributor Centered FAMC Centered FAMC2 Centered FAMC3 .609** -2.121** 1.616* .030* .048 .033 Centered FAMC .162* .026* .026 .021 Centered FAMC Centered FAMC2 .567** -.468** .055** .081 .071 Proportion of Adopters Among Posters Centered FAMC Centered FAMC2 Centered FAMC3 .898** -2.317** 1.581* .028* .109 .095 Centered FAMC .449** .201** .201 .197 Centered FAMC Centered FAMC2 1.119** -.773** .149** .351 .344 Network Activeness Centered FAMC Centered FAMC2 Centered FAMC3 1.313** -1.862** .931 .010 .360 .350 ¹ Frequency Activity of Major Contributors (After Centering) ² Frequency Activity of Major Contributors Squared (After Centering) ³ Frequency Activity of Major Contributors Cubed (After Centering) *p<.05, **p<.01 ªSince the level of tolerance for cubic relationship is close to ‘0,’ significant cubic relationship will not be considered here.

Authors: Yun, Haejin., Park, Songyi. and Kim, Hee-Jung.
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Running Head: Invisible Leverage in Adoption of Online Social Support Community
32
Table 4. Curvilinear Regression Analysis of Frequency Activity of Major Contributors on Adoption
Blocks of Independent Variables
Std. Beta
R-square
Change
Total
R-square
Adjusted
R-square
Toleranceª
Centered FAMC
.267**
.071**
.071
.066
1.000
Centered FAMC
Centered FAMC2
1.106**
-.969**
.235**
.306
.298
.250
.250
Postings per
Adopter
Centered FAMC¹
Centered FAMC2¸
Centered FAMC3¹
1.569**
-3.56**
2.215**
.056**
.361
.351
.127
.008
.011
Centered
FAMC
.040 .002 .002 -.004
Centered FAMC
Centered FAMC2
.221
-.209
.011
.013
.002
Duration of
Adopter
Centered FAMC
Centered FAMC2
Centered FAMC3
.572**
-2.170**
1.676*
.032*
.044
.029
Centered FAMC
.187**
.035*
.035
.030
Centered FAMC
Centered FAMC2
.847**
-.762**
.145**
.180
.171
Postings per
Adopter
Excluding
Major
Contributor
Centered FAMC
Centered FAMC2
Centered FAMC3
1.258**
-3.065**
1.968*
.044*
.224
.211
Centered
FAMC
.072 .005 .005 .000
Centered FAMC
Centered FAMC2
.271
-.230
.013
.018
.008
Duration of
Adopter
Excluding
Major
Contributor
Centered FAMC
Centered FAMC2
Centered FAMC3
.609**
-2.121**
1.616*
.030*
.048
.033
Centered FAMC
.162*
.026*
.026
.021
Centered FAMC
Centered FAMC2
.567**
-.468**
.055**
.081
.071
Proportion
of Adopters
Among
Posters
Centered FAMC
Centered FAMC2
Centered FAMC3
.898**
-2.317**
1.581*
.028*
.109
.095
Centered FAMC
.449**
.201**
.201
.197
Centered FAMC
Centered FAMC2
1.119**
-.773**
.149**
.351
.344
Network
Activeness
Centered FAMC
Centered FAMC2
Centered FAMC3
1.313**
-1.862**
.931
.010
.360
.350
¹ Frequency Activity of Major Contributors (After Centering)
² Frequency Activity of Major Contributors Squared (After Centering)
³ Frequency Activity of Major Contributors Cubed (After Centering)
*p<.05, **p<.01
ªSince the level of tolerance for cubic relationship is close to ‘0,’ significant cubic relationship will not be considered here.


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