Liquor store employees | p* | External control group | p† | |||
---|---|---|---|---|---|---|
Tested V1 & V2 | Tested V1 only | Tested V2 only | ||||
*Analysis of variance (continuous variables) or χ2 analysis (categorical variables), comparing the three groups of liquor store employees. | ||||||
†Analysis of variance (continuous variables) or χ2 analysis (categorical variables), comparing liquor store employees to comparison group. | ||||||
‡Auxiliary clerks work on an “on call” basis. | ||||||
§Ratio of perceived psychological demands score to task control score (higher value = increased “job strain”, range 0–2). | ||||||
Number | 44 | 100 | 82 | 122 | ||
Smoking status | ||||||
Never | 23% | 43% | 29% | 35% | ||
Former | 43% | 29% | 39% | 0.1 | 38% | 0.7 |
Current | 34% | 28% | 32% | 27% | ||
Age, years (mean, SD) | 45.5 (8.4) | 41.2 (8.9) | 44.0 (9.0) | 0.04 | 47.1 (11.3) | <0.01 |
Gender: % male | 43% | 60% | 46% | 0.08 | 67% | <0.01 |
Ethnicity: % Caucasian | 98% | 88% | 92% | 0.2 | 86% | 0.07 |
Years employed, current employer (mean, SD) | 17.3 (7.4) | 12.0 (7.6) | 13.4 (8.4) | 0.001 | 16.6 (10.8) | <0.01 |
Job title | ||||||
Manager | 27% | 14% | 17% | 0.001 | NA | <0.01 |
Regular clerk | 59% | 39% | 49% | |||
Auxiliary clerk‡ | 14% | 47% | 34% | |||
Asthma (diagnosed, ever) | 7% | 9% | 21% | 0.03 | 7% | 0.9 |
Hay fever (diagnosed, ever) | 16% | 18% | 16% | 0.9 | 11% | 0.1 |
Psychosocial job strain score§ (mean, SD) | 0.83 (0.19) | 0.88 (0.24) | 0.83 (0.22) | 0.3 | 0.68 (0.14) | <0.01 |