Table 1 |
||||||
| Demographic profile of the 548 bar workers who participated in the study; those who participated at both P1 and P3 (followed-up: N = 253) and those who were lost to follow-up by P3 (N = 295) | ||||||
| Followed-up (N = 253) | Lost to follow-up (N = 295) | p-val1 | ||||
| Mean | Range | Mean | Range | |||
| Age | 31.3 | (18.4, 66.7) | 28.0 | (18.2, 71.1) | <0.001 | |
| Hours Worked Per week | 34.4 | (2.0, 90.0) | 31.9 | (0.0, 168.0) | 0.098 | |
| Years worked in this Bar | 4.3 | (0.0, 37.0) | 2.0 | (0.0, 26.0) | <0.001 | |
| Years worked in all bars | 8.8 | (0.0, 43.0) | 6.1 | (0.0, 40.0) | <0.001 | |
| N | % | N | % | Proportion lost to follow-up (%) | p-val2 | |
| Sex | ||||||
| Male | 126 | 49.8 | 137 | 46.4 | 52.1 | 0.406 |
| Female | 127 | 50.2 | 158 | 53.6 | 55.4 | |
| Smoking Status | ||||||
| Regular | 104 | 41.1 | 124 | 42.0 | 54.4 | |
| Occasional | 26 | 10.3 | 39 | 13.2 | 60.0 | 0.700 |
| Ex | 41 | 16.2 | 43 | 14.6 | 51.2 | |
| Never | 80 | 31.6 | 88 | 29.8 | 52.4 | |
| Not answered | 2 | 0.8 | 1 | 0.3 | ||
| Location | ||||||
| Aberdeen | 73 | 28.9 | 47 | 15.9 | 39.2 | |
| Glasgow | 54 | 21.3 | 67 | 22.7 | 55.4 | |
| Edinburgh/Borders | 63 | 24.9 | 66 | 22.4 | 51.2 | |
| Liverpool | 30 | 11.9 | 35 | 11.9 | 53.8 | <0.001 |
| London | 9 | 3.6 | 40 | 13.6 | 81.6 | |
| Newcastle | 6 | 2.4 | 16 | 5.4 | 72.7 | |
| Rural Cumbria and Northumbria | 18 | 7.1 | 24 | 8.1 | 57.1 | |
| Country | ||||||
| England | 63 | 24.9 | 115 | 39.0 | 64.6 | <0.001 |
| Scotland | 190 | 75.1 | 180 | 61.0 | 48.6 | |
| Education | ||||||
| School | 69 | 27.3 | 69 | 23.4 | 50.0 | |
| Further Education College | 77 | 30.4 | 92 | 31.2 | 54.4 | 0.232 |
| University | 102 | 40.3 | 119 | 40.3 | 53.8 | |
| Postgraduate | 5 | 2.0 | 15 | 5.1 | 75.0 | |
| Ethnicity | ||||||
| Asian | 0 | 0.0 | 1 | 0.3 | 100.0 | |
| Black | 2 | 0.8 | 1 | 0.3 | 33.3 | |
| Mixed | 2 | 0.8 | 9 | 3.1 | 81.8 | 0.217 |
| Other | 0 | 0.0 | 1 | 0.3 | 100.0 | |
| White | 249 | 98.4 | 282 | 95.9 | 53.1 | |
| Not answered | 1 | |||||
The answers shown in the table are as given at P1.
1 P-value for the 2 sample test of equal means.
2 P-value for the chi-square test of equal proportions.
MacCalman et al. BMC Public Health 2012 12:324 doi:10.1186/1471-2458-12-324
