Table 2. Descriptive statistics (number of participants (N), percentages (%), means and Standard Deviations (SD) and) for the three time points (T0-2), changes between two time points (T1-T0, T2-T1) and the time-effects.
| Measurement | Number of participants (N) | Leisure-Time Physical activity [min/week] | Leisure-Time Physical activity (> = 150 minutes/week) | Social Support Family | Social Support Friends | Enjoyment | Outcome Expectancy | Self-Efficacy |
|---|---|---|---|---|---|---|---|---|
| Time point | N | Mean (SD) | N (%) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) |
| T0 | 1197 | 228.0 (250.6) | 567 (48.6%) | 6.1 (2.2) | 4.8 (2.2) | 31.3 (7.3) | 18.4 (3.7) | 13.5 (4.3) |
| T1 | 348 | 231.5 (279.0) | 173 (49.4%) | 6.1(2.1) | 5.0 (2.3) | 31.8 (7.4) | 18.5 (3.4) | 13.4 (4.4) |
| T2 | 267 | 201.8 (221.9) | 129 (48.3%) | 6.0 (2.3) | 4.9 (2.3) | 31.8 (8.3) | 18.8 (3.4) | 13.6 (4.9) |
| ΔTime points1 | N | Mean (Range) | N (%) | Mean(Range) | Mean (Range) | Mean (Range) | Mean (Range) | Mean (Range) |
| T1-0 | 348 | -1.2 (-1020; 1560) | NA2 | -0.0 (-5;8) | 0.1 (-8;8) | 0.2 (-28;23) | 0.2 (-12; 11) | -0.1 (-15; 14) |
| T2-1 | 267 | -25.5 (-1050;1320) | NA2 | -0.0 (-6;7) | -0.2 (-7;8) | -0.2 (-27;19) | 0.3 (-12;9) | 0.0 (-14;18) |
| Time-effects | N | F (p-value) 3 | F (p-value) 3 | F (p-value) 3 | F (p-value) 3 | F (p-value) 3 | F (p-value) 3 | F (p-value) 3 |
| 235 | 1.43 (p = 0.24) | NA2 | 0.3 (p = 0.74) | 0.94 (p = 0.39) | 0.72 (p = 0.49) | 1.94 (p = 0.15) | 0.06 (p = 0.94) |
Note. T0 = baseline, T1 = 3 year follow-up, T2 = 5 year follow-up
1 Changes in Leisure-time physical activity, social support from family and from friends, PA enjoyment, outcome expectations and self-efficacy between measurement at T0 and T1 (T1-T0) and between T1 and T2 (T2-T1), respectively.
2 Not applicable (NA) for difference between time points
3 F-value calculated with the repeated measures ANOVA with dftime = 2, dfresiduals = 468 and the p-value