Table 1.
Observed means and standard deviations (SD) of primary outcome measures per time point and groupa
| Primary outcomes | Baseline (mean ± SD) | Intermediate survey (week 25, mean ± SD) | Follow-up 1 (week 47, mean ± SD) | Follow-up 2 (week 73, mean ± SD) | |
|---|---|---|---|---|---|
| PA (hours/week) | TPC | 4.86 ± 3.98 (n = 400) | 6.92 ± 5.40 (n = 376) | 6.85 ± 5.22 (n = 266) | 5.73 ± 4.70 (n = 272) |
| TMI | 4.84 ± 3.96 (n = 404) | 6.75 ± 5.17 (n = 369) | 5.67 ± 4.43 (n = 307) | 5.58 ± 4.49 (n = 302) | |
| Combined | 4.31 ± 3.73 (n = 401) | 6.69 ± 5.19 (n = 370) | 6.13 ± 4.40 (n = 285) | 5.91 ± 4.55 (n = 285) | |
| Control | 4.61 ± 3.63 (n = 404) | 5.92 ± 4.70 (n = 392) | 5.32 ± 4.53 (n = 331) | 5.37 ± 4.53 (n = 327) | |
| Fruit intake (servings/day) | TPC | 2.16 ± 1.69 (n = 380) | 2.90 ± 1.76 (n = 376) | 3.02 ± 2.22 (n = 267) | 2.68 ± 1.81 (n = 272) |
| TMI | 2.04 ± 1.55 (n = 386) | 2.90 ± 1.65 (n = 369) | 2.78 ± 2.12 (n = 307) | 2.30 ± 1.58 (n = 302) | |
| Combined | 2.04 ± 1.63 (n = 385) | 2.59 ± 1.69 (n = 369) | 2.70 ± 2.09 (n = 284) | 2.28 ± 1.59 (n = 285) | |
| Control | 2.10 ± 1.69 (n = 391) | 2.57 ± 1.64 (n = 392) | 2.36 ± 1.87 (n = 326) | 2.09 ± 1.58 (n = 327) | |
| Vegetable intake (grams/day) | TPC | 166 ± 88 (n = 400) | 191 ± 81 (n = 376) | 205 ± 96 (n = 267) | 187 ± 92 (n = 272) |
| TMI | 164 ± 81 (n = 406) | 190 ± 75 (n = 369) | 183 ± 86 (n = 310) | 175 ± 88 (n = 302) | |
| Combined | 163 ± 81 (n = 404) | 181 ± 79 (n = 370) | 188 ± 86 (n = 290) | 174 ± 85 (n = 285) | |
| Control | 167 ± 80 (n = 404) | 183 ± 80 (n = 392) | 176 ± 83 (n = 332) | 164 ± 81 (n = 327) | |
PA physical activity, TPC tailored print communication, TMI telephone motivational interviewing, Combined combination of TPC and TMI
aThe reported values are raw, i.e., untransformed scores