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Table 5
Linear regression coefficients relating selected characteristics to Health Utility Index, joint replacement patients with osteoarthritis, respondents aged 40 or older to 2000/2001 Canadian Community Health Survey, Canada excluding Quebe
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| Characteristic | Coefficient | 95% confidence interval | |
|---|---|---|---|
| from | to | ||
| Demographic | |||
| Age group | |||
| 40 to 64† | ... | ... | ... |
| 65 to 74 | 0.064 | -0.016 | 0.143 |
| 75 or older | -0.078 | -0.163 | 0.007 |
| Sex | |||
| Men† | ... | ... | ... |
| Women | -0.055 | -0.117 | 0.007 |
| Marital status | |||
| Married/Common-law† | ... | ... | ... |
| Widowed | 0.055 | -0.015 | 0.125 |
| Separated/Divorced | 0.074 | -0.069 | 0.217 |
| Never married | -0.136 | -0.282 | 0.010 |
| Region | |||
| Newfoundland and Labrador, Prince Edward Island, Nova Scotia, New Brunswick | 0.094 | -0.007 | 0.195 |
| Ontario | -0.007 | -0.071 | 0.058 |
| Manitoba, Saskatchewan | 0.041 | -0.068 | 0.150 |
| Alberta, British Columbia† | ... | ... | ... |
| Socio-economic | |||
| Education | |||
| Less than secondary graduation | 0.000 | -0.070 | 0.070 |
| Secondary graduation/Some postsecondary | 0.034 | -0.054 | 0.122 |
| Postsecondary graduation† | ... | ... | ... |
| Household income | |||
| Lowest | -0.105 | -0.325 | 0.115 |
| Lower-middle | -0.129 | -0.260 | 0.002 |
| Middle | -0.042 | -0.137 | 0.053 |
| Upper-middle | -0.072 | -0.165 | 0.021 |
| Highest† | ... | ... | ... |
| Health/Lifestyle | |||
| Number of chronic conditions | -0.134* | -0.157 | -0.112 |
| Body Mass Index (BMI) | |||
| Underweight | -0.243* | -0.429 | -0.057 |
| Normal† | ... | ... | ... |
| Overweight | 0.047 | -0.028 | 0.122 |
| Obese | 0.024 | -0.056 | 0.105 |
| Smoking | |||
| Never† | ... | ... | ... |
| Former | 0.074* | 0.015 | 0.133 |
| Current | 0.011 | -0.119 | 0.141 |
| † reference category * significantly different from “no surgery” (p<0.05) ... not applicable Sources: 2000/2001 Canadian Community Health Survey; Hospital Morbidity Database. |
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