Table 1.
Characteristics of the study population: proportions by site sex, age, stage, deprivation, rurality and comorbidity
| Māori | Non-Māori | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Total cohort 1 | Unadj | Age Std 2 | Unadj | Age Std 2 | |||||
| n (total =524) | % | n (total =269) | % | % | n (total =269) | % | % | p | |
| Cancer site | |||||||||
| Liver cancer | 189 | 36% | 97 | 36% | 92 | 36% | |||
| Stomach cancer | 335 | 64% | 172 | 64% | 163 | 64% | |||
| Sex | 0.104 | ||||||||
| Male | 349 | 67% | 170 | 63% | 64% | 179 | 70% | 70% | |
| Female | 175 | 33% | 99 | 37% | 36% | 76 | 30% | 30% | |
| Age (years) | |||||||||
| 25-49 | 105 | 20% | 73 | 27% | - | 32 | 13% | - | |
| 50-64 | 152 | 29% | 96 | 36% | - | 56 | 22% | - | |
| 65-74 | 139 | 27% | 64 | 24% | - | 75 | 29% | - | |
| 75+ | 128 | 24% | 36 | 13% | - | 92 | 36% | - | |
| Mean age (SD) | 64 (15) | 60 (14) | 68 (14) | <0.001 | |||||
| Stage (TNM) | 0.688 | ||||||||
| I | 84 | 16% | 41 | 15% | 16% | 43 | 17% | 17% | |
| II | 93 | 18% | 51 | 19% | 19% | 42 | 16% | 17% | |
| III | 116 | 22% | 59 | 22% | 22% | 57 | 22% | 22% | |
| IV | 226 | 43% | 118 | 44% | 42% | 108 | 42% | 43% | |
| Unstaged | 5 | 1% | 0 | - | - | 5 | 2% | 2% | |
| NZDep (Deciles) | <0.001 | ||||||||
| Lowest deprivation: 1-2 | 38 | 7% | 12 | 5% | 5% | 26 | 10% | 10% | |
| 3-4 | 61 | 12% | 18 | 7% | 7% | 43 | 17% | 17% | |
| 5-6 | 81 | 16% | 32 | 12% | 11% | 49 | 20% | 19% | |
| 7-8 | 112 | 22% | 47 | 18% | 18% | 65 | 26% | 27% | |
| Highest deprivation: 9-10 | 217 | 43% | 151 | 58% | 60% | 66 | 27% | 27% | |
| Rurality | <0.001 | ||||||||
| Urban | 371 | 73% | 166 | 64% | 65% | 205 | 82% | 83% | |
| Independent urban | 77 | 15% | 51 | 20% | 19% | 26 | 10% | 10% | |
| Rural | 61 | 12% | 43 | 17% | 16% | 18 | 7% | 7% | |
| Common comorbidities | |||||||||
| Angina | 78 | 16% | 36 | 13% | 17% | 42 | 16% | 14% | 0.376 |
| Hypertension | 200 | 39% | 106 | 39% | 46% | 94 | 37% | 33% | <0.001 |
| Myocardial infarction | 41 | 9% | 16 | 6% | 7% | 25 | 10% | 8% | 0.735 |
| Arrhythmia | 84 | 17% | 38 | 14% | 18% | 46 | 18% | 16% | 0.545 |
| CHF | 51 | 9% | 29 | 11% | 15% | 22 | 9% | 7% | <0.001 |
| Mild CPD | 32 | 6% | 17 | 6% | 7% | 15 | 6% | 5% | 0.385 |
| Mod/Severe CPD | 41 | 9% | 16 | 6% | 8% | 25 | 10% | 8% | 0.818 |
| CVD | 53 | 12% | 19 | 7% | 9% | 34 | 13% | 11% | 0.418 |
| Uncomplicated diabetes | 131 | 23% | 74 | 28% | 29% | 57 | 22% | 22% | 0.100 |
| Other primary tumour | 48 | 10% | 19 | 7% | 8% | 29 | 11% | 10% | 0.595 |
| Mod/severe renal disease | 27 | 4% | 19 | 7% | 9% | 8 | 3% | 3% | <0.001 |
| Obesity | 45 | 7% | 31 | 12% | 10% | 14 | 5% | 5% | 0.028 |
| C3 Index category 3 | 0.050 | ||||||||
| 0 | 212 | 40% | 108 | 40% | 36% | 104 | 41% | 43% | |
| 1 | 92 | 18% | 47 | 17% | 17% | 45 | 18% | 19% | |
| 2 | 74 | 14% | 35 | 13% | 13% | 39 | 15% | 15% | |
| 3 | 146 | 28% | 79 | 29% | 34% | 67 | 26% | 23% | |
1Total cohort results weighted to total liver/stomach cancer population (2006–2008). 2Age standardised to total NZ cancer population (2006–2008). 3 C3 index category: ’0’ (C3 Index score < =0), ‘1’ (0 < score < =1), ‘2’ (1 < score < =2) and ‘3’ (score >2).