Table 1 Schedule of measurements
Outcome measures | D, Q, O* | Baseline | 6 months | 12 months | 18 months | 24 months |
|---|---|---|---|---|---|---|
Body weight | D |
|
| Ā | Ā |
|
| Ā | Q |
|
|
|
|
|
Body height | D |
| Ā | Ā | Ā | Ā |
| Ā | Q |
|
|
|
|
|
Dietary intake | Q |
|
|
|
|
|
Physical activity | Q |
|
|
|
|
|
Waist circumference | D |
|
| Ā | Ā |
|
| Ā | Q |
|
|
|
|
|
Sum of skin folds | D |
|
| Ā | Ā |
|
Blood pressure | D |
|
| Ā | Ā |
|
Total blood cholesterol | D |
|
| Ā | Ā |
|
Aerobic fitness | D |
|
| Ā | Ā |
|
Perceived health | Q |
|
|
|
|
|
Empowerment | Q |
|
|
|
|
|
Stage of change | Q |
|
|
|
|
|
Self efficacy | Q |
|
|
|
|
|
Work performance | Q |
|
|
|
|
|
Confounding and mediating variables | Q |
|
|
|
|
|
Sickness absence and health care utilization | O1 |
|
|
|
| Ā |
Programme costs | O2 |
| Ā | Ā | Ā | Ā |
Data for process evaluation | Q | Ā |
| Ā | Ā | Ā |
Data for process evaluation | O3 |
| Ā | Ā | Ā | Ā |
- Outcome measures are directly measured (D), measured by questionnaire (Q) or measured otherwise (O);
- 1 Sickness absence data and data on health care utilization are collected by a six-monthly diary. Sickness absence data are also derived from employer payroll records, from six months before baseline till two years after baseline;
- 2 Programme costs are assessed continuously during development and implementation of the programme;
- 3 Participants appraisal of the programme is measured by questionnaire at six months after baseline. Objective measures are collected from the database underlying the participant tracking system and the website.
-
continuous measurement from this period till next period