Table 1.
Self-reported sample characteristics of Study 1 (n = 92).
| Control group (n = 30) | Implementation intention group (n = 34) | Mental simulation plus implementation intention group (n = 28) | |
|---|---|---|---|
| Age (years) | |||
| Mean (SD) | 24.75 (6.04) | 23.21 (5.03) | 25.87 (8.63) |
| Gender | |||
| Women | 28 (35.4%) | 31 (39.2%) | 20 (25.3%) |
| Men | 2 (15.4%) | 3 (23.1%) | 8 (61.5%) |
| BMI | |||
| Mean (SD) | 21.49 (2.30) | 21.94 (2.65) | 21.33 (3.54) |
| Smoking status | |||
| Smoker | 14 (43.8%) | 15 (46.9%) | 3 (9.4%) |
| Non-smoker | 15 (28.8%) | 17 (32.7%) | 20 (38.5%) |
| Former smoker | 1 (14.3%) | 2 (28.6%) | 4 (57.1%) |
| Number of alcoholic drinks per week | |||
| Mean (SD) | 2.68 (1.22) | 3.09 (1.40) | 2.26 (1.54) |
| Frequency of alcohol consumption | |||
| Mean (SD) | 2.14 (1.46) | 1.74 (1.08) | 1.78 (1.68) |
| Attitude | |||
| Mean (SD) at T1 | 5.90 (0.79) | 5.58 (1.53) | 5.81 (1.17) |
| Mean (SD) at T2 | 5.87 (0.85) | 5.79 (1.14) | 6.03 (1.01) |
| Mean (SD) at T3 | 5.99 (0.95) | 5.80 (1.24) | 5.90 (1.47) |
| Subjective norms | |||
| Mean (SD) at T1 | 4.85 (0.81) | 4.38 (0.96) | 4.78 (1.10) |
| Mean (SD) at T2 | 4.59 (0.89) | 4.16 (1.18) | 4.43 (1.32) |
| Mean (SD) at T3 | 4.61 (0.94) | 4.14 (1.27) | 4.24 (0.95) |
| Intention | |||
| Mean (SD) at T1 | 4.92 (2.01) | 5.35 (1.79) | 4.70 (2.17) |
| Mean (SD) at T2 | 5.00 (1.77) | 5.36 (1.66) | 4.92 (1.93) |
| Mean (SD) at T3 | 5.04 (1.78) | 5.00 (1.88) | 4.91 (1.97) |
| Perceived behavioral control | |||
| Mean (SD) at T1 | 4.88 (1.46) | 4.63 (1.57) | 4.52 (1.51) |
| Mean (SD) at T2 | 4.63 (1.40) | 4.47 (1.68) | 4.43 (1.63) |
| Mean (SD) at T3 | 4.58 (1.56) | 4.20 (1.83) | 4.80 (1.61) |
| MET-min per week | |||
| Mean (SD) at T1 | 7.38 (1.18) | 7.57 (0.85) | 6.90 (1.52) |
| Mean (SD) at T2 | 7.49 (0.87) | 7.37 (1.49) | 7.21 (1.30) |
| Mean (SD) at T3 | 7.68 (0.86) | 7.64 (0.98) | 7.35 (1.17) |