Description of preintervention population variables in intervention and comparison factories
| Category | Subcategory | Comparison factory N=105 | Intervention factory N=99 | p Value for difference† |
|---|---|---|---|---|
| Age (Mean±SD) | 34.19±8.42 | 34.95±4.98 | 0.437 | |
| Gender (%) | Men | 46 (43.8) | 24 (24.2) | 0.003** |
| Women | 59 (56.2%) | 75 (75.8%) | ||
| Height (cm, Mean±SD) | Men | 168±6 | 171±4 | 0.028* |
| Women | 157±5 | 159±5 | 0.019* | |
| Highest level of education (%) | Primary or lower | 56 (53.3) | 25 (25.3) | 0.000** |
| Secondary or higher | 49 (46.7) | 74 (74.7) | ||
| Childhood Health (%) | Fair or poor | 33 (31.4) | 39 (39.4) | 0.234 |
| Good or excellent | 72 (68.6%) | 60 (60.6%) | ||
| Total years of work experience (Mean±SD) | 13.4±7.62 | 13.2±5.43 | 0.840 | |
*=p<0.05; **=p<0.01.
†Tests of difference conducted using t test or test of proportions where appropriate.