Baseline characteristics by study population
| Included in incidence analyses (n=1034) | Not included in incidence analyses (n=340) | |
|---|---|---|
| Sex | ||
| Male | 485 (47%) | 200 (59%) |
| Female | 549 (53%) | 140 (41%) |
| Age (years) (at 1 Jan 1996) | ||
| 30+ | 235 (23%) | 127 (37%) |
| 25–29 | 203 (20%) | 62 (18%) |
| 20–24 | 233 (23%) | 64 (19%) |
| 15–19 | 222 (21%) | 56 (16%) |
| 12–14 | 141 (14%) | 31 (9%) |
| Resident status | ||
| Permanent | 938 (91%) | 159 (47%) |
| Visitor | 86 (8%) | 104 (31%) |
| Deceased | 7 (1%) | 13 (4%) |
| Removed | 3 (0.3%) | 64 (19%) |
| Marital status | ||
| Never married | 302 (29%) | 63 (19%) |
| One spouse | 615 (59%) | 143 (42%) |
| Two + spouses | 5 (0.5%) | 1 (0.3%) |
| Widow | 13 (1%) | 6 (2%) |
| Past marriage | 61 (6%) | 19 (6%) |
| Not known | 38 (4%) | 108 (32%) |
| Alcohol | ||
| No abuse | 607 (59%) | 99 (29%) |
| Abuse | 374 (36%) | 133 (39%) |
| Not known | 53 (5%) | 108 (32%) |
| Petrol sniffer | ||
| No regular use | 834 (81%) | 316 (93%) |
| Ever occasional | 62 (6%) | 7 (2%) |
| Ever regular | 138 (13%) | 17 (5%) |