Table 3.
Change-score, GEE model predicting difference in index adult’s EQ-5D scores between two administrations: EQ-5D score at second minus first administration (n=24,188)
| Variable | Regression coefficient |
95% confidence interval |
|---|---|---|
| Index adult’s characteristics: | ||
| Intercept | 0.0058 | |
| Age | −0.0001* | −0.0002, −0.0001 |
| Female | 0 | −0.0014, 0.0013 |
| White, non-Hispanic | 0.0011 | −0.0006, 0.0028 |
| Married | 0.0016 | −0.0003, 0.0035 |
| Low annual household income (<US$20,000/year) | −0.0010 | −0.0041, 0.0020 |
| Increase in annual household income over US$20,000 threshold | 0.0011 | −0.0018, 0.0040 |
| Household contains: | ||
| Child <18 years | −0.0014 | −0.0033, 0.0005 |
| Another adult | 0.0001 | −0.0027, 0.0028 |
| Existing chronic conditions (first reported at least 6 months prior to 2nd EQ-5D): | ||
| Self-neoplasms (tumors) | −0.0039 | −0.0099, 0.0022 |
| Self-diseases of the endocrine, metabolic systems and immunity disorders | 0.0003 | −0.0026, 0.0033 |
| Self-mental disorders | 0.0028 | −0.0007, 0.0063 |
| Self-diseases of the nervous/sensory systems | 0.0001 | −0.0036, 0.0038 |
| Self-diseases of the circulatory system | 0.0002 | −0.0021, 0.0025 |
| Self-diseases of the respiratory system | 0.0029 | −0.0016, 0.0074 |
| Self-diseases of the musculoskeletal system | 0.0019 | −0.0013, 0.0050 |
| Other adult-neoplasms (tumors) | −0.0028 | −0.0076, 0.0020 |
| Other adult-diseases of the endocrine, metabolic system, and immunity disorders | −0.0010 | −0.0038, 0.0019 |
| Other adult-mental disorders | 0.0031 | −0.0002, 0.0064 |
| Other adult-diseases of the nervous/sensory systems | −0.0019 | −0.0050, 0.0011 |
| Other adult-diseases of the circulatory system | 0.0006 | −0.0016, 0.0028 |
| Other adult-diseases of the respiratory system | 0.0009 | −0.0027, 0.0046 |
| Other adult-diseases of the musculoskeletal system | −0.0021 | −0.0051, 0.0010 |
| Child-mental disorders | −0.0012 | −0.0062, 0.0039 |
| Child-diseases of the respiratory system | 0.0036* | 0.0007, 0.0066 |
| Newly-occurring chronic conditions (first reported within 3 months of 2nd EQ-5D) | ||
| Self-neoplasms (tumors) | −0.0130* | −0.0248, −0.0013 |
| Self-diseases of the endocrine, metabolic systems and immunity disorders | 0.0001 | −0.0104, 0.0105 |
| Self-mental disorders | 0.0010 | −0.0071, 0.0090 |
| Self-diseases of the nervous/sensory systems | −0.0057 | −0.0126, 0.0012 |
| Self-diseases of the circulatory system | −0.0054 | −0.0120, 0.0012 |
| Self-diseases of the respiratory system | −0.0136* | −0.0251, −0.0021 |
| Self-diseases of the musculoskeletal system | −0.0082* | −0.0143, −0.0022 |
| Other adult-neoplasms (tumors) | 0.0003 | −0.0097, 0.0103 |
| Other adult-diseases of the endocrine, metabolic systems, and immunity disorders | 0.0027 | −0.0047, 0.0102 |
| Other adult-mental disorders | −0.0001 | −0.0069, 0.0066 |
| Other adult-diseases of the nervous/sensory systems | −0.0034 | −0.0099, 0.0030 |
| Other adult-diseases of the circulatory system | −0.0006 | −0.0065, 0.0053 |
| Other adult-diseases of the respiratory system | −0.0008 | −0.0130, 0.0114 |
| Other adult-diseases of the musculoskeletal system | −0.0068* | −0.0117, −0.0018 |
| Child-mental disorders | 0.0014 | −0.0106, 0.0133 |
| Child-diseases of the respiratory system | 0.0011 | −0.0050, 0.0073 |
(R2 =0.005)
GEE=general estimating equation
*
= statistically significant at p<=0.05