Meta-analysis findings and corresponding weights for digital payment
| Dependent variable | Independent variable | N | r | CI 95% | Std. error | tauˆ2 | Q | I2 | Fail-safe N | Weight | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BIU | ATT | 9 | 0.411* | 0.324 | 0.499 | 0.045 | 0.016 | 93.086 | 91.406 | 3,055 | 1 | BP |
| CMPA | 9 | 0.247* | 0.204 | 0.29 | 0.022 | 0.002 | 15.48 | 48.321 | 838 | 1 | BP | |
| COSE | 3 | 0.099* | 0.042 | 0.156 | 0.029 | 0 | 0.064 | 0 | 10 | 0.333333 | ||
| EE | 38 | 0.107* | 0.08 | 0.135 | 0.014 | 0.005 | 106.09 | 65.124 | 2,250 | 0.394737 | ||
| FC | 32 | 0.133* | 0.102 | 0.163 | 0.016 | 0.005 | 98.7 | 68.592 | 2,687 | 0.65625 | ||
| HAB | 13 | 0.328* | 0.211 | 0.444 | 0.059 | 0.042 | 180.194 | 93.341 | 1844 | 0.923077 | BP | |
| HM | 20 | 0.158* | 0.114 | 0.202 | 0.023 | 0.007 | 61.605 | 69.159 | 1,166 | 0.5 | BP | |
| PE | 47 | 0.208* | 0.17 | 0.246 | 0.019 | 0.015 | 340.435 | 86.488 | 13,301 | 0.829787 | BP | |
| PV | 19 | 0.167* | 0.123 | 0.212 | 0.023 | 0.006 | 56.883 | 68.356 | 1,227 | 0.631579 | ||
| PPR | 6 | 0.126* | 0.074 | 0.178 | 0.027 | 0 | 4.381 | 0 | 43 | 0.5 | ||
| PR | 17 | 0.146* | 0.088 | 0.204 | 0.03 | 0.012 | 101.674 | 84.263 | 951 | 0.588235 | ||
| REL | 3 | 0.278* | 0.221 | 0.335 | 0.029 | 0 | 0 | 0 | 99 | 1 | ||
| SAT | 8 | 0.181* | 0.094 | 0.269 | 0.045 | 0.014 | 58.896 | 88.115 | 380 | 0.75 | ||
| SCR | 10 | 0.127* | 0.066 | 0.188 | 0.031 | 0.007 | 32.199 | 72.048 | 199 | 0.5 | ||
| SI | 36 | 0.204* | 0.149 | 0.259 | 0.028 | 0.025 | 421.306 | 91.692 | 8,060 | 0.666667 | ||
| TRU | 20 | 0.203* | 0.128 | 0.278 | 0.038 | 0.027 | 265.482 | 92.843 | 2,593 | 0.85 | BP | |
| WD | 4 | 0.21* | 0.16 | 0.259 | 0.025 | 0 | 0.795 | 0 | 99 | 1 | PP | |
| Adoption | BIU | 14 | 0.499* | 0.38 | 0.618 | 0.061 | 0.048 | 253.396 | 94.87 | 6,353 | 1 | BP |
| EE | 2 | 0.108NS | −0.072 | 0.287 | 0.092 | 0.012 | 3.332 | 69.985 | 2 | 0.5 | ||
| FC | 4 | 0.279* | 0.006 | 0.552 | 0.139 | 0.075 | 79.804 | 96.241 | 160 | 0.75 | ||
| HAB | 3 | 0.321* | 0.221 | 0.42 | 0.051 | 0.005 | 5.257 | 61.953 | 114 | 1 | PP | |
| TRU | 3 | 0.103NS | −0.004 | 0.21 | 0.055 | 0.006 | 6.427 | 68.879 | 10 | 0.333333 | ||
| SI | 2 | 0.245* | 0.072 | 0.418 | 0.088 | 0.011 | 3.102 | 67.758 | 18 | 0.5 | ||
| Dependent variable | Independent variable | r | CI 95% | Std. error | tauˆ2 | Q | I2 | Fail-safe N | Weight | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BIU | ATT | 9 | 0.411* | 0.324 | 0.499 | 0.045 | 0.016 | 93.086 | 91.406 | 3,055 | 1 | BP |
| CMPA | 9 | 0.247* | 0.204 | 0.29 | 0.022 | 0.002 | 15.48 | 48.321 | 838 | 1 | BP | |
| COSE | 3 | 0.099* | 0.042 | 0.156 | 0.029 | 0 | 0.064 | 0 | 10 | 0.333333 | ||
| EE | 38 | 0.107* | 0.08 | 0.135 | 0.014 | 0.005 | 106.09 | 65.124 | 2,250 | 0.394737 | ||
| FC | 32 | 0.133* | 0.102 | 0.163 | 0.016 | 0.005 | 98.7 | 68.592 | 2,687 | 0.65625 | ||
| HAB | 13 | 0.328* | 0.211 | 0.444 | 0.059 | 0.042 | 180.194 | 93.341 | 1844 | 0.923077 | BP | |
| HM | 20 | 0.158* | 0.114 | 0.202 | 0.023 | 0.007 | 61.605 | 69.159 | 1,166 | 0.5 | BP | |
| PE | 47 | 0.208* | 0.17 | 0.246 | 0.019 | 0.015 | 340.435 | 86.488 | 13,301 | 0.829787 | BP | |
| PV | 19 | 0.167* | 0.123 | 0.212 | 0.023 | 0.006 | 56.883 | 68.356 | 1,227 | 0.631579 | ||
| PPR | 6 | 0.126* | 0.074 | 0.178 | 0.027 | 0 | 4.381 | 0 | 43 | 0.5 | ||
| PR | 17 | 0.146* | 0.088 | 0.204 | 0.03 | 0.012 | 101.674 | 84.263 | 951 | 0.588235 | ||
| REL | 3 | 0.278* | 0.221 | 0.335 | 0.029 | 0 | 0 | 0 | 99 | 1 | ||
| SAT | 8 | 0.181* | 0.094 | 0.269 | 0.045 | 0.014 | 58.896 | 88.115 | 380 | 0.75 | ||
| SCR | 10 | 0.127* | 0.066 | 0.188 | 0.031 | 0.007 | 32.199 | 72.048 | 199 | 0.5 | ||
| SI | 36 | 0.204* | 0.149 | 0.259 | 0.028 | 0.025 | 421.306 | 91.692 | 8,060 | 0.666667 | ||
| TRU | 20 | 0.203* | 0.128 | 0.278 | 0.038 | 0.027 | 265.482 | 92.843 | 2,593 | 0.85 | BP | |
| WD | 4 | 0.21* | 0.16 | 0.259 | 0.025 | 0 | 0.795 | 0 | 99 | 1 | PP | |
| Adoption | BIU | 14 | 0.499* | 0.38 | 0.618 | 0.061 | 0.048 | 253.396 | 94.87 | 6,353 | 1 | BP |
| EE | 2 | 0.108NS | −0.072 | 0.287 | 0.092 | 0.012 | 3.332 | 69.985 | 2 | 0.5 | ||
| FC | 4 | 0.279* | 0.006 | 0.552 | 0.139 | 0.075 | 79.804 | 96.241 | 160 | 0.75 | ||
| HAB | 3 | 0.321* | 0.221 | 0.42 | 0.051 | 0.005 | 5.257 | 61.953 | 114 | 1 | PP | |
| TRU | 3 | 0.103NS | −0.004 | 0.21 | 0.055 | 0.006 | 6.427 | 68.879 | 10 | 0.333333 | ||
| SI | 2 | 0.245* | 0.072 | 0.418 | 0.088 | 0.011 | 3.102 | 67.758 | 18 | 0.5 | ||
Note(s): (N) Number of observations obtained from study analyses; r = correlation observed in studies corresponding to sample size; Cl (95%) = confidence interval; Q = test of heterogeneity in individuals; I2 = scale-free heterogeneity index; (*) = p < 0.01; NS = not significant, BP = best Predictor, PP = promising predictor
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