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Correlation coefficients (ϕ) between respondents’ general satisfaction, anxious feeling and knowledge of API toward current air quality.
| Variables | General Satisfaction | Anxious Feeling | Knowledge of API |
|---|---|---|---|
| General satisfaction | 1 | -- | -- |
| Anxious feeling | 0.192 ** | 1 | -- |
| Knowledge of API | 0.091 ** | 0.059 ** | 1 |
** p < 0.01.
