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. Author manuscript; available in PMC: 2024 Jan 5.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2023 Jul 5;32(7):927–935. doi: 10.1158/1055-9965.EPI-22-0808

Table 5.

Hazard ratios for the association between residential position within a time zone and risk of colorectal cancer, overall and by cancer subsite.

Overall colorectal cancer
 Colon cancer
 Rectal cancer
Residential position a Cases Person-years Age-adjusted HR (95% CI)b MV-adjusted HR (95%CI)c Cases Person-years Age-adjusted HR (95% CI)b MV-adjusted HR (95%CI)c Cases Person-years Age-adjusted HR (95% CI)b MV-adjusted HR (95%CI)c
Per 5-degree longitude increment 452 897,750 0.92 (0.83–1.03) 0.92 (0.82–1.03) 343 897,618 0.99 (0.87–1.12) 0.98 (0.86–1.11) 99 897,351 0.77 (0.59–0.99) 0.76 (0.59–0.98)

HR, Hazard ratio; CI, Confidence interval; MV, Multivariable.

a

Per 5-degree longitude increment in residential position from eastern to western border of time zone.

b

Hazard ratios adjusted for age (continuous) and time period (continuous).

c

Hazard ratios additionally adjusted for family history of colorectal cancer (yes, no), body mass index (<25, 25–29, 30–34, ≥35 kg/m2), smoking status (never, past, current), alcohol consumption (non-current, current 1–6, current ≥7 drinks/week), vigorous physical activity (none, <5, ≥5 hours/week), and processed meat consumption (quartiles).