Table 2 Age standardised breast cancer rates, rate ratios and rate differences (compared to European/Other) by ethnicity, age 25+.
From: Ethnic and socioeconomic trends in breast cancer incidence in New Zealand
Ethnicity | Cohort | SR | 95% CI | SRR | 95% CI | SRD | 95% CI |
|---|---|---|---|---|---|---|---|
Total Mäori | 1981-86 | 123 | (105 - 140) | 1.07 | (0.93 - 1.24) | 8.4 | (-9.2 - 26) |
1986-91 | 142 | (126 - 157) | 1.02 | (0.91 - 1.14) | 2.2 | (-14 - 18) | |
1991-96 | 178 | (162 - 194) | 1.25 | (1.13 - 1.37) | 35 | (18 - 52) | |
1996-01 | 198 | (184 - 212) | 1.23 | (1.14 - 1.33) | 38 | (23 - 52) | |
2001-04 | 210 | (194 - 225) | 1.23 | (1.14 - 1.33) | 39 | (23 - 56) | |
% Change | 71% | ||||||
P (Trend) | < .01 | 0.15 | 0.06 | ||||
Pooled | 168 | (161 - 175) | 1.17 | (1.11 - 1.22) | 24 | (16 - 31) | |
Total Pacific | 1981-86 | 112 | (79 - 145) | 0.98 | (0.73 - 1.32) | -2.0 | (-35 - 31) |
1986-91 | 146 | (115 - 177) | 1.05 | (0.84 - 1.30) | 6.6 | (-25 - 38) | |
1991-96 | 106 | (86 - 126) | 0.74 | (0.62 - 0.89) | -37 | (-57 - -17) | |
1996-01 | 145 | (126 - 165) | 0.90 | (0.79 - 1.04) | -15 | (-35 - 4.7) | |
2001-04 | 141 | (121 - 161) | 0.83 | (0.72 - 0.95) | -29 | (-50 - -9.2) | |
% Change | 25% | ||||||
P (Trend) | 0.38 | 0.39 | 0.37 | ||||
Pooled | 129 | (118 - 141) | 0.90 | (0.82 - 0.98) | -15 | (-26 - -3.0) | |
Total Asian | 1981-86 | 69.9 | (40.5 - 99.3) | 0.61 | (0.40 - 0.93) | -44 | (-74 - -15) |
1986-91 | 110 | (76 - 144) | 0.79 | (0.58 - 1.08) | -29 | (-64 - 5.1) | |
1991-96 | 89.6 | (67.5 - 112) | 0.63 | (0.49 - 0.80) | -53 | (-76 - -31) | |
1996-01 | 117 | (99 - 135) | 0.73 | (0.63 - 0.86) | -43 | (-62 - -25) | |
2001-04 | 126 | (110 - 142) | 0.74 | (0.65 - 0.84) | -44 | (-61 - -27) | |
% Change | 80% | ||||||
P (Trend) | 0.04 | 0.45 | 0.89 | ||||
Pooled | 101 | (90 - 113) | 0.70 | (0.63 - 0.79) | -43 | (-54 - -31) | |
European/Other | 1981-86 | 114 | (110 - 118) | 1 | 0 | ||
1986-91 | 140 | (136 - 144) | 1 | 0 | |||
1991-96 | 143 | (139 - 147) | 1 | 0 | |||
1996-01 | 160 | (156 - 164) | 1 | 0 | |||
2001-04 | 170 | (166 - 175) | 1 | 0 | |||
% Change | 49% | ||||||
P (Trend) | < .01 | ||||||
Pooled | 144 | (142 - 146) |