Table 4.
Descriptive statistical analysis of variables.
| Variables | Description | Mean | SD | Min | Max |
|---|---|---|---|---|---|
| Dependent variable | |||||
| Pro | Number of likes from other users | 2.983 | 4.486 | 1 | 27 |
| Topic features | |||||
| Topic 1 | Consultation effect and related topics | 0.138 | 0.178 | 0.0149 | 0.857 |
| Topic 2 | Emotional acceptance and related topics | 0.134 | 0.172 | 0.0149 | 0.902 |
| Topic 3 | Clear thinking and related topics | 0.146 | 0.192 | 0.0174 | 0.889 |
| Topic 4 | Listening patiently and related topics | 0.285 | 0.268 | 0.0150 | 0.889 |
| Topic 5 | Consultation expectations and related topics | 0.177 | 0.213 | 0.0159 | 0.893 |
| Sentiment features | |||||
| Scores | Sentiment score calculated by sentiment dictionary | 18.52 | 2.269 | 0 | 38 |
| Polarity | Ratio of positive emotions to negative emotions | 1.339 | 1.591 | 0 | 17 |
| Contextual features | |||||
| Rating | Review rating (1–5) | 4.934 | 0.259 | 3 | 5 |
| Age | Difference between review time and data collection time | 411.5 | 313.0 | 0 | 1730 |
| Control variables | |||||
| Price | Consulting service price | 483.4 | 163.8 | 200 | 1700 |
| Volume | Total number of consulting services | 1567 | 1577 | 9 | 8161 |
Notes: SD = standard deviation, Min = minimum, Max = maximum.