Table 4.
Cox proportional hazards modeling for cancers in the interviewed cohort (n = 3,081).
| All sites (n = 268)
|
Respiratory and intrathoracic (n = 57)
|
Digestive organs and peritoneum (n = 64)
|
Liver and rectal (n = 19)
|
Genitourinary (n = 70)
|
Bladder and kidney (n = 32)
|
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variable | n* | HR (95% CI) | n* | HR (95% CI) | n* | HR (95% CI) | n* | HR (95% CI) | n* | HR (95% CI) | n* | HR (95% CI) |
| Open period, tier 1 or 2 (years)a | 8 | 0.95 (0.80–1.12) | 2 | 1.04 (0.83–1.29) | 0 | —b | 0 | —b | 4 | 1.01 (0.79–1.29) | 3 | 0.93 (0.63–1.36) |
| Open period, tier 3 or 4 (years)a | 104 | 1.00 (0.97–1.04) | 20 | 0.95 (0.87–1.03) | 27 | 1.03 (0.97–1.09) | 9 | 1.07 (0.96–1.18) | 37 | 1.04 (0.98–1.10) | 17 | 1.04 (0.96–1.13) |
| Closed period, tier 1 or 2 (years)a | 71 | 0.99 (0.97–1.01) | 20 | 1.02 (0.98–1.06) | 13 | 0.99 (0.94–1.03) | 4 | 0.99 (0.93–1.07) | 12 | 0.95 (0.90–1.00–)c | 5 | 0.96 (0.89–1.03) |
| Closed period, tier 3 or 4 (years)a | 177 | 0.99 (0.98–1.01) | 32 | 1.00 (0.97–1.03) | 50 | 1.01 (0.98–1.04) | 11 | 0.99 (0.94–1.04) | 49 | 0.98 (0.96–1.01) | 24 | 1.00 (0.96–1.04) |
| Hot spot/swale (yes/no) | 6 | 1.02 (0.45–2.31) | 1 | 0.74 (0.10–5.40) | 1 | 0.75 (0.10–5.44) | 1 | 3.02 (0.39–23.18) | 2 | 1.59 (0.39–6.55) | 0 | —b |
| Childhood exposure (yes/no) | 5 | 0.99 (0.36–2.68) | 0 | —b | 0 | —b | 0 | —b | 2 | 2.26 (0.42–12.20) | 2 | 17.35 (3.03–99.47) |
| Attended 99th Street School (years)a | 10 | 0.95 (0.82–1.10) | 1 | 0.85 (0.54–1.36) | 1 | 0.85 (0.55–1.30) | 0 | —b | 4 | 1.04 (0.81–1.34) | 1 | 0.49 (0.14–1.70) |
| Age (years) | 1.07 (1.06–1.08) | 1.09 (1.07–1.12) | 1.08 (1.06–1.10) | 1.10 (1.06–1.15) | 1.09 (1.06–1.11) | 1.09 (1.05–1.12) | ||||||
| Male (yes/no) | 1.53 (1.12–2.08) | 2.20 (1.08–4.52) | 2.12 (1.09–4.15) | 2.02 (0.57–7.13) | 2.56 (1.35–4.85) | 3.42 (1.29–9.09) | ||||||
| Ever smoked (yes/no) | 2.08 (1.50–2.90) | 6.54 (2.00–21.42) | 1.67 (0.89–3.13) | 2.21 (0.60–8.17) | 1.69 (0.90–3.18) | 1.38 (0.57–3.35) | ||||||
| Alcohol consumption (yes/no) | 0.90 (0.68–1.18) | 1.09 (0.59–2.01) | 0.77 (0.45–1.32) | 2.23 (0.68–7.30) | 0.94 (0.54–1.64) | 0.63 (0.29–1.34) | ||||||
| Potential occupational exposure to carcinogens (yes/no) | 0.84 (0.61–1.16) | 1.05 (0.48–2.31) | 0.60 (0.31–1.16) | 0.53 (0.15–1.82) | 1.05 (0.53–2.08) | 1.26 (0.42–3.72) | ||||||
| Family history of cancer (yes/no) | 1.28 (1.00–1.64) | 1.08 (0.62–1.88) | 1.16 (0.69–1.94) | 0.85 (0.32–2.26) | 1.33 (0.82–2.16) | 0.84 (0.39–1.83) | ||||||
n*
, number of cases in each exposure category.
a
HRs calculated per 1-year increments.
b
HR not calculable because of zero cells.
c
1.00− indicates a number slightly less than 1.00.