Table 3.
Adjusted mean or percent of primary outcome measures by time of survey and intervention condition, change from baseline to follow-up and p-value for test of difference in change between intervention and control units.
| Primary Outcomes | Adjusted Means and Percents | ||||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Intervention Units (4) | Control Units (4) | p-value | |||||
| Pre | Post | Change | Pre | Post | Change | ||
| Pain severity (mean) | 2.43 | 2.68 | +0.25 | 2.57 | 2.41 | -0.15 | 0.09 |
|
| |||||||
| Any pain (%) | 79.01% | 78.65% | -0.36% | 82.34% | 75.68% | -6.65% | 0.27 |
|
| |||||||
| Work Interference (%) | 24.14% | 23.87% | -0.27% | 23.16% | 15.30% | -7.85% | 0.15 |
|
| |||||||
| Fruit / Veggies (servings per day) | 2.86 | 2.87 | +0.01 | 2.78 | 2.90 | +0.12 | 0.46 |
|
| |||||||
| Sugary Snacks (servings per day) | 0.32 | 0.29 | -0.03 | 0.27 | 0.28 | +0.01 | 0.38 |
|
| |||||||
| Sugary Drinks (servings per day) | 0.50 | 0.52 | +0.02 | 0.46 | 0.41 | -0.05 | 0.25 |
|
| |||||||
| Fast Food (servings per day) | 0.06 | 0.06 | +0.00 | 0.04 | 0.04 | +0.01 | 0.77 |
|
| |||||||
| Combined Weekly PA Minutes 1 (Mod + Vig) | 154.60 | 157.60 | +3.00 | 168.90 | 145.80 | -23.10 | 0.36 |
|
| |||||||
| Weekly Minutes of Walking 1 | 277.70 | 269.40 | -8.30 | 299.90 | 269.30 | -30.60 | 0.62 |
|
| |||||||
| Daily Minutes of Sitting 1 | 168.40 | 165.50 | -2.90 | 173.10 | 181.60 | +8.50 | 0.58 |
|
| |||||||
| Sleep Deficiency (%) | 65.85% | 63.32% | -2.53% | 63.19% | 58.04% | -5.15% | 0.72 |
-Mixed models include time of survey (pre or post) and intervention / control unit for all workers in the 8 units
*
Adjusted for clustering of participants in units and for the repeated measures.
1
- The PA minutes variables were transformed to the Log scale to meet the assumptions of the model. The adjusted means estimates displayed are transformed back to the minutes scale.