Table 1.
Means, standard deviations, and correlations (Study 1).
| Mean | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.Age | 34.49 | 5.03 | - | |||||||
| 2.Gender | 1.67 | 0.47 | 0.05 | - | ||||||
| 3.Years live in Wuhan | 27.68 | 11.79 | 0.43** | 0.05 | - | |||||
| 4.Experimental condition | 0.57 | 0.50 | 0.06 | −0.22* | −0.04 | - | ||||
| 5.Trait mindfulness | 4.81 | 0.69 | 0.06 | 0.03 | −0.20* | 0.02 | - | |||
| 6.Sleep quantity | 460.60 | 57.66 | 0.05 | −0.07 | 0.14 | 0.15 | −0.20 | - | ||
| 7.Sleep quality | 4.67 | 0.98 | 0.07 | 0.05 | 0.20* | −0.04 | 0.00 | 0.31** | - | |
| 8.Caffeine abstinence | 0.73 | 0.36 | 0.10 | −0.07 | −0.15 | 0.08 | 0.16 | 0.05 | 0.01 | - |
n = 97 participants. Gender: 1 = male, 2 = female. Caffeine abstinence: 0 = taking caffeine, 1 = no taking caffeine. Experimental condition: 0 = mind-wandering control group, 1 = mindfulness intervention group. *p < 0.05; **p < 0.01.