Table 1.
NST and mesoderm group characteristics
| NST cases; n=67 | Mesoderm controls; n=155 | OR | |
|---|---|---|---|
| Sex | |||
| Male | 42 (62.7%) | 95 (61.3%) | NS |
| Female | 25 (37.3%) | 60 (38.7%) | NS |
| Age at diagnosis (years) | |||
| Mean | 3.4 | 3.8 | NS |
| Net income/month (€) | |||
| <800 | 3 (4.5%) | 11 (7.1%) | NS |
| 800–1,500 | 15 (22.4%) | 22 (14.2%) | NS |
| 1,500–2,000 | 6 (9.0%) | 23 (14.8%) | NS |
| 2,000–2,500 | 7 (10.4%) | 17 (11.0%) | NS |
| 2,500–3,600 | 4 (6.0%) | 18 (11.6%) | NS |
| >3,500 | 4 (6.0%) | 11 (7.1%) | NS |
| Not answered | 28 (41.8%) | 53 (34.2%) | |
| Associated familial syndrome | |||
| Yes | 3 (4.5%) | 2 (1.3%) | NS |
| No | 64 (95.5%) | 153 (98.7%) | NS |
| Cancer in first-degree relative | |||
| Yes | 4 (6.0%) | 5 (3.2%) | NS |
| No | 63 (94.0%) | 150 (96.8%) | NS |
| Mother smoked during pregnancy | |||
| Yes | 38 (57.6%) | 65 (42.5%) | 1.4 (1.0–1.8)a |
| No | 28 (42.4%) | 88 (96.8%) | 0.7 (0.5–1.0)a |
| Fetal exposure (second-hand smoke) | |||
| Yes | 50 (75.8%) | 116 (76.3%) | NS |
| No | 16 (24.2%) | 36 (23.7%) | NS |
| Father smoked during pregnancy | |||
| Yes | 41 (62.1%) | 88 (58.3%) | NS |
| No | 25 (37.9%) | 63 (41.7%) | NS |
| Distance major road (≤100 m) | |||
| Yes | 15 (23.8%) | 40 (30.8%) | NS |
| No | 48 (76.2%) | 90 (69.2%) | NS |
a
There were significant differences. While the percentage of associated familial syndromes and cancer in first-degree relatives was greater in the NST group, our study population is too small to make inferences regarding these