Article Figures & Tables
Tables
- Table 1:
Characteristics of Status First Nations patients with cancer diagnosed between 2004/05 and 2010/11 living on and off reserve in Manitoba
Characteristic No. (%) of patients* p value On reserve
n = 930Off reserve
n = 594Age, yr, mean ± SD 60.6 ± 14.5 57.5 ± 14 < 0.001 Sex Male 456 (49.0) 223 (37.5) < 0.001 Female 474 (51.0) 371 (62.5) Rural residency 846 (91.0) 266 (44.8) Regional Health Authority < 0.001 Interlake Eastern 257 (27.6) 81 (13.6) Northern 428 (46.0) 107 (18.0) Southern 6 (0.6) 7 (1.2) Prairie Mountain 68 (7.3) 20 (3.4) Winnipeg 102 (11.0) 66 (11.1) Public Trustee 69 (7.4) 313 (52.7) Income quintile < 0.001 NF 12 (1.3) 9 (1.5) R1 (lowest rural) 508 (54.6) 79 (13.3) R2 209 (22.5) 43 (7.2) R3 43 (4.6) 43 (7.2) R4 75 (8.1) 51 (8.6) R5 (highest rural) 11 (1.2) 50 (8.4) U1 (lowest urban) 49 (5.3) 170 (28.6) U2 12 (1.3) 67 (11.3) U3 ≤ 5 38 (6.4) U4 ≤ 5 32 (5.4) U5 (highest urban) ≤ 5 12 (2.0) Charlson Comorbidity Index score, mean ± SD 1.4 ± 1.4 1.3 ± 1.3 0.01 Note: NF = not found, SD = standard deviation.
↵* Except where noted otherwise.
Variable No. (%) of patients p value On reserve Off reserve Cancer stage I 202 (21.7) 160 (26.9) 0.02 II 207 (22.3) 133 (22.4) 0.95 III 176 (18.9) 109 (18.4) 0.8 IV 216 (23.2) 126 (21.2) 0.4 Unknown 129 (13.9) 66 (11.1) 0.1 Cancer site Bladder ≤ 5 8 (1.3) 0.09 Breast 99 (10.6) 111 (18.7) < 0.001 Cervix 19 (2.0) 26 (4.4) 0.009 Chronic lymphocytic leukemia ≤ 5 ≤ 5 0.08 Colorectal 153 (16.4) 87 (14.6) 0.3 Kidney 96 (10.3) 40 (6.7) 0.02 Lung and bronchus 131 (14.1) 74 (12.5) 0.4 Melanoma of the skin ≤ 5 ≤ 5 ≤ 5 Non-Hodgkin lymphoma 33 (3.5) 32 (5.4) 0.08 Ovary 25 (2.7) 7 (1.2) 0.04 Pancreas 19 (2.0) 13 (2.2) 0.8 Prostate 100 (10.8) 34 (5.7) < 0.001 Stomach 18 (1.9) 11 (1.8) 0.9 Thyroid 10 (1.1) 10 (1.7) 0.3 Uterus 19 (2.0) 19 (3.2) 0.2 Other 197 (21.2) 113 (19.0) 0.3 Year Count Crude IR per 100 000 p value Adjusted IR per 100 000* p value On reserve Off reserve On reserve Off reserve On reserve Off reserve 2004/05 116 75 308.9 301.8 0.9 245.1 280.1 0.4 2005/06 123 71 318.6 279.7 0.4 256.3 255.4 0.98 2006/07 131 71 330.7 273.1 0.2 260.8 247.3 0.7 2007/08 121 88 297.4 331.6 0.4 233.6 292.4 0.1 2008/09 154 119 367.2 440.0 0.1 291.0 380.3 0.04 2009/10 164 92 378.4 329.9 0.3 307.2 280.3 0.5 2010/11 159 100 355.0 347.9 0.9 283.3 294.8 0.8 Overall 968 616 337.8 330.4 0.7 247.9 287.9 0.02 Note: IR = incidence rate.
↵* Adjusted for age, sex, income quintile and Regional Health Authority area of residence.
Measure Crude cancer incidence Adjusted cancer incidence* On reserve Off reserve On reserve Off reserve R2 0.54 0.31 0.51 0.16 β coefficient (95% CI) 10.51 (−0.54 to 21.57) 14.49 (−10.39 to 39.63) 8.81 (−0.97 to 18.85) 8.1 (−13.13 to 29.34) Note: CI = confidence interval.
↵* Adjusted for age, sex, income quintile and Regional Health Authority area of residence.
Outcome HR (95% CI)* All-cause mortality — crude 1.28 (1.11 to 1.26) All-cause mortality 5 yr after diagnosis — adjusted 1.18 (0.98 to 1.41) Cancer-specific mortality — crude 1.09 (0.98 to 1.22) Cancer-specific mortality 5 yr after diagnosis — adjusted 1.03 (0.90 to 1.19) Note: CI = confidence interval, HR = hazard ratio.
↵* Adjusted for age, sex, Charlson Comorbidity Index score, cancer stage at diagnosis, income quintile and Regional Health Authority area of residence.