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Table 2: Emissions of sulphurous oxides from dwellings in Scotland: October 2003-September 2004
Weight of emissions per dwelling per year
| Lower decile | Lower quartile | Median | Upper quartile | Upper decile | Mean | 95% Confidence Interval for mean | Sample size |
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(kg / year) | (kg / year) | (kg / year) | (kg / year) | (kg / year) | (kg / year) | Lower bound | Upper bound |
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All dwellings | 14 | 16 | 19 | 40 | 77 | 35.1 | 33.8 | 36.5 | 3,090 |
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by tenure |
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Owner-occupier | 14 | 16 | 20 | 35 | 73 | 34.9 | 33.1 | 36.7 | 2,016 |
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LA/other public | 13 | 14 | 17 | 48 | 78 | 31.8 | 29.5 | 34.2 | 612 |
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HA/co-op | 13 | 15 | 19 | 50 | 71 | 33.6 | 30.4 | 36.8 | 258 |
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Private-rented | 13 | 15 | 27 | 63 | 108 | 48.3 | 41.1 | 55.4 | 204 |
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by household type |
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Single adult | 12 | 14 | 18 | 44 | 70 | 33.1 | 30.3 | 35.9 | 418 |
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Small adult | 13 | 16 | 20 | 38 | 76 | 36.5 | 32.6 | 40.4 | 550 |
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Single parent | 14 | 15 | 17 | 43 | 84 | 33.7 | 28.7 | 38.6 | 182 |
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Small family | 15 | 16 | 20 | 30 | 67 | 31.0 | 28.4 | 33.7 | 429 |
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Large family | 16 | 17 | 22 | 47 | 91 | 41.2 | 35.5 | 47.0 | 229 |
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Large adult | 15 | 17 | 19 | 31 | 63 | 31.4 | 28.1 | 34.7 | 320 |
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Older smaller | 14 | 16 | 20 | 43 | 92 | 39.7 | 35.4 | 44.0 | 500 |
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Single pensioner | 13 | 15 | 18 | 48 | 77 | 35.1 | 31.7 | 38.5 | 462 |
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by banded weekly income |
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< £100 | 13 | 15 | 18 | 39 | 81 | 40.4 | 31.6 | 49.2 | 188 |
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£100-£200 | 13 | 15 | 18 | 50 | 86 | 37.4 | 34.4 | 40.4 | 622 |
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£200-£300 | 13 | 16 | 18 | 43 | 79 | 34.4 | 31.7 | 37.1 | 606 |
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£300-£400 | 14 | 15 | 19 | 34 | 74 | 32.5 | 29.4 | 35.7 | 429 |
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£400-£500 | 14 | 16 | 19 | 28 | 63 | 29.8 | 26.4 | 33.1 | 365 |
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£500-£700 | 15 | 16 | 20 | 31 | 68 | 33.2 | 29.8 | 36.7 | 426 |
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£700 + | 16 | 20 | 27 | 40 | 68 | 41.8 | 36.1 | 47.5 | 309 |
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by type of dwelling |
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Detached houses | 18 | 21 | 28 | 47 | 106 | 48.0 | 43.7 | 52.2 | 760 |
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Semi-detached houses | 15 | 16 | 19 | 28 | 86 | 33.9 | 31.1 | 36.6 | 696 |
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Terraced houses | 14 | 16 | 18 | 27 | 77 | 30.4 | 28.4 | 32.4 | 734 |
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Tenement flats | 12 | 14 | 17 | 44 | 64 | 30.6 | 28.4 | 32.9 | 516 |
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Other Flats | 13 | 14 | 17 | 45 | 72 | 31.9 | 29.1 | 34.6 | 384 |
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by age of dwelling |
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Pre-1919 | 14 | 17 | 31 | 55 | 106 | 49.2 | 44.1 | 54.3 | 555 |
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1919-1944 | 13 | 15 | 17 | 22 | 67 | 28.4 | 25.3 | 31.6 | 414 |
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1945-1964 | 14 | 15 | 18 | 34 | 81 | 32.9 | 30.6 | 35.2 | 742 |
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1965-1982 | 14 | 16 | 20 | 43 | 79 | 34.8 | 32.5 | 37.0 | 843 |
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Post-1982 | 13 | 16 | 21 | 35 | 58 | 29.6 | 27.6 | 31.7 | 536 |
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by central heating and fuel type |
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Gas central heating | 13 | 15 | 17 | 21 | 29 | 19.8 | 19.4 | 20.2 | 2,093 |
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Electric central heating | 42 | 52 | 73 | 97 | 138 | 84.6 | 79.9 | 89.3 | 561 |
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Other central heating | 29 | 36 | 52 | 76 | 109 | 65.1 | 59.7 | 70.4 | 314 |
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No central heating | 29 | 36 | 52 | 87 | 129 | 68.5 | 59.2 | 77.8 | 122 |
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