Background
Methods
Sample population
Dependent variable
Independent variable
Covariates
Statistical analysis
Results
U.S. adults reporting arthritis or joint pain | U.S. adults in sample with no reported arthritis or joint pain | |
---|---|---|
Limitations, % | ||
Any limitations | 62.86 | 18.18 |
IADL | 9.16 | 1.80 |
ADL | 5.68 | 1.03 |
Walk limitations | 39.01 | 6.12 |
Mean total expenditure ± SD | $10,587 ± $504 | $3813 ± $119 |
Predisposing factors, % | ||
Age, years | ||
18–24 | 0.77 | 15.36 |
25–44 | 11.54 | 39.19 |
45–64 | 45.85 | 32.72 |
65+ | 41.85 | 12.72 |
Race | ||
Non-Hispanic white | 75.64 | 64.76 |
Non-Hispanic black | 11.66 | 11.42 |
Non-Hispanic other | 4.77 | 7.58 |
Hispanic | 7.93 | 16.24 |
Sex | ||
Male | 36.86 | 50.49 |
Female | 63.14 | 49.51 |
Region | ||
Northeast | 18.29 | 18.28 |
Midwest | 23.24 | 21.07 |
South | 38.48 | 36.75 |
West | 19.99 | 23.91 |
MSA | ||
Rural | 19.17 | 14.72 |
Urban | 80.83 | 85.28 |
Enabling factors, % | ||
Income | ||
< $25,000 | 48.59 | 42.88 |
$25,000–$49,999 | 29.33 | 29.80 |
$50,000-$74,999 | 12.38 | 14.70 |
> $75,000 | 9.70 | 12.62 |
Employment | ||
Not employed | 58.05 | 28.73 |
Employed | 41.95 | 71.27 |
Education | ||
Less than high school | 17.34 | 14.66 |
High school | 31.44 | 27.70 |
College | 40.87 | 45.59 |
Graduate school | 10.35 | 12.05 |
Insurance | ||
Any private | 63.09 | 68.99 |
Public only | 30.46 | 14.67 |
No insurance | 6.45 | 16.35 |
Marital status | ||
Never married | 10.48 | 31.04 |
Separated/divorced/widowed | 35.30 | 16.61 |
Married | 54.22 | 52.34 |
Need factors, % | ||
Asthma | 15.21 | 7.80 |
Diabetes | 20.11 | 7.19 |
Emphysema | 7.12 | 1.21 |
High blood pressure | 63.28 | 26.05 |
High cholesterol | 55.75 | 25.01 |
Stroke | 9.89 | 2.14 |
Depression | 17.32 | 6.98 |
CVD | 32.32 | 9.91 |
BMI | ||
Underweight | 1.45 | 1.96 |
Normal | 23.80 | 37.05 |
Overweight | 32.17 | 34.29 |
Obese | 42.58 | 26.70 |
Variable | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 |
---|---|---|---|---|---|
No reported joint pain and/or arthritis (reference) | – | – | – | – | – |
Self-reported joint pain and/or arthritis | $6773*
| $4427*
| $3980*
| $2764*
| $1638*
|
Predisposing factors | |||||
Age, years | |||||
18–24 (reference) | – | – | – | – | |
25–44 | $1571*
| $1873*
| $2381*
| $2372*
| |
45–64 | $3633*
| $3717*
| $3224*
| $3038*
| |
65+ | $6150*
| $3510*
| $2087*
| $1607*
| |
Race | |||||
Non-Hispanic white (reference) | – | – | – | – | |
Non-Hispanic black | −$883**
| −$1053**
| −$1325**
| −$1287*
| |
Non-Hispanic other | −$543 | −$448 | −$741 | −$136 | |
Hispanic | −$2196*
| −$1960*
| −$1845*
| −$1683*
| |
Sex | |||||
Male (reference) | – | – | – | – | |
Female | $1053*
| $929*
| $1272*
| $1383*
| |
Region | |||||
Northeast (reference) | – | – | – | – | |
Midwest | −$149 | $78 | −$101 | −$168.78 | |
South | −$514 | −$69 | −$458 | −$325.85 | |
West | $272 | $489 | $610 | $746.14 | |
MSA | |||||
Rural (reference) | – | – | – | – | |
Urban | $797**
| $1124*
| $1216*
| $1241*
| |
Enabling factors | |||||
Income | |||||
< $25,000 (reference) | – | – | – | ||
$25,000–$49,999 | −$414 | −$293 | −$44 | ||
$50,000–$74,999 | $3 | $444 | $817 | ||
> $75,000 | $364 | $1487***
| $1761**
| ||
Employment | |||||
Not employed (reference) | – | – | – | ||
Employed | −$3239 | −$2654*
| −$2018*
| ||
Education | |||||
Less than high school (reference) | – | – | – | ||
High school | $849***
| $1566**
| $1634*
| ||
College | $709 | $1242*
| $1305*
| ||
Graduate school | $1515**
| $2493*
| $2457*
| ||
Insurance | |||||
Any private (reference) | – | – | – | ||
Public only | $1526***
| $1639 ***
| $947 | ||
No insurance | −$3615*
| −$3875*
| −$3943*
| ||
Marital status | |||||
Married (reference) | – | – | – | ||
Separated/divorced/widowed | $63 | $34 | −$131 | ||
Never married | −$55 | $79 | −$172 | ||
Need factors****
| |||||
Asthma | $2428*
| $2001*
| |||
Diabetes | $3001*
| $2669*
| |||
Emphysema | $2476***
| $1559***
| |||
High blood pressure | $938*
| $876*
| |||
High cholesterol | $1149*
| $1194*
| |||
Stroke | $2683*
| $1727***
| |||
Depression | $3182*
| $1939*
| |||
CVD | $2814*
| $2375*
| |||
BMI | |||||
Underweight (reference) | – | – | |||
Normal | $726 | $1200 | |||
Overweight | $388 | $732 | |||
Obese | $534 | $824 | |||
Risk factor of interest****
| |||||
Any limitations | $3308*
| ||||
IADL | $2488***
| ||||
ADL | $2284***
| ||||
Walk limitations | $253 |