| Mean | Std. deviation | Std. error | 95% Confidence interval | Compared groups | P-value | ||
---|---|---|---|---|---|---|---|---|
Lower bound | Upper bound | |||||||
G1 | 31.25 | 6.30 | 0.81 | 24.80 | 37.70 | 1 | 2 | 0.023* |
 | 3 | 0.820 | ||||||
G2 | 18.98 | 7.15 | 0.92 | 11.73 | 26.22 | 2 | 1 | 0.023* |
 | 3 | 0.015* | ||||||
G3 | 32.45 | 7.50 | 0.96 | 22.94 | 41.95 | 3 | 1 | 0.820 |
 | 2 | 0.015* |