Table 3.
Odds for having sought medical care
| |
Crude |
p-value |
Adjusted |
p-value |
[95% CI] |
|---|---|---|---|---|---|
| OR | OR | OR | Adj OR | Adj OR | |
| Older age (15 years of as referent) |
1.16 |
0.176 |
1.09 |
0.531 |
0.83-1.43 |
| Female gender |
1.79 |
0.056 |
1.21 |
0.564 |
0.63-2.34 |
| Participation in sports (compared to not participating in sports) |
0.76 |
0.182 |
1.01 |
0.957 |
0.70-1.45 |
| BMI (compared to 0-25% quartile, 16.18; 19.71) |
|
|
|
|
|
| 2. quartile (19.71; 21.55) |
1.03 |
0.881 |
0.93 |
0.824 |
0.48-1.78 |
| 3. quartile (>21.55; 23.62) |
1.30 |
0.030 |
1.12 |
0.597 |
0.73-1.72 |
| 4. quartile (>23.62; 34.00) |
1.53 |
0.083 |
1.20 |
0.431 |
0.76-1.91 |
| EQ-5D index score (compared to 0-25% quartile, -0.169;0.723) |
|
|
|
|
|
| 25-50% percentile (>0.723; 0.776) |
0.64 |
0.066 |
0.93 |
0.765 |
0.57-1.50 |
| 50-75% percentile (>0.776; 0.824) |
0.34 |
<0.001 |
0.66 |
0.013 |
0.48-0.92 |
| 75-100% percentile (>0.824; 1.000) |
0.35 |
0.001 |
0.68 |
0.015 |
0.50-0.93 |
| Pain severity (compared to daily pain) |
|
|
|
|
|
| More than once per week |
0.41 |
<0.001 |
0.45 |
<0.001 |
0.29-0.69 |
| Weekly |
0.31 |
<0.001 |
0.40 |
<0.001 |
0.32-0.50 |
| Monthly |
0.15 |
<0.001 |
0.19 |
<0.001 |
0.11-0.32 |
| Pain duration (per 10 month increase) |
1.15 |
<0.001 |
1.15 |
<0.001 |
1.08-1.23 |
| Traumatic onset of pain (compared to an insidious onset) |
1.98 |
0.001 |
|
|
|
| Traumatic onset of knee pain compared to insidious onset among females |
|
|
2.75 |
0.031 |
1.10-6.91 |
| Traumatic onset of knee pain compared to insidious onset among males | 1.15 | 0.738 | 0.51-2.61 |
Univariate and multivariate logistic regression analysis. Crude OR shows the result from the univariate logistic regression analysis between “having sought medical care” and each of the explanatory variables. Adjusted coefficients show the results from the multivariate analysis.