Table 6.
Mean scores and standard deviations (in parentheses) of factors of the MCCQ related to the type of caffeinated product consumed (N = 598)
| Coffee (N = 215) | Tea (N = 152) | Energy drink (N = 19) | Coffee and tea (N = 87) | Mixed (N = 70) | F (df) | |
|---|---|---|---|---|---|---|
| Daily caffeine intake (mg) | 241.00a (133.93) | 179.52b (132.16) | 140.79b (131.55) | 239.53a (110.45) | 314.09c (170.82) | 12.07 (4)*** |
| Habit | 3.19 (1.27)a | 2.41 (1.26)b | 2.05 (1.18)b | 2.98 (1.34)ac | 2.46 (1.27)bc | 11.30 (4)*** |
| Alertness | 2.76 (1.06)a | 2.22 (1.08)b | 2.73 (1.06)ab | 2.90 (1.05)a | 3.01 (1.14)a | 9.21 (4)*** |
| Mood | 1.98 (1.06)a | 1.51 (0.80)b | 1.82 (1.25)ab | 2.02 (1.09)a | 1.94 (1.04)a | 5.63 (4)*** |
| Social | 2.14 (0.96)a | 1.71 (0.87)bc | 1.42 (0.49)b | 2.12 (0.92)a | 1.91 (0.90)ac | 7.22 (4)*** |
| Taste | 3.68 (1.16) | 3.50 (1.35) | 3.63 (1.49) | 3.50 (1.28) | 3.28 (1.21) | 1.41 (4) |
| Symptom Management | 1.96 (1.14)a | 1.40 (0.73)b | 1.08 (0.19)c | 1.77 (0.89)ad | 1.55 (0.76)bd | 10.16 (4)*** |
Post-hoc analyses were performed with Games-Howell test. Means that have no superscript in common are significantly different from each other at p < .05
*p < .05; **p < .01; ***p < .001