|
Marginal model and random-effects models analysing time-fixed and time varying covariates |
||||||
| Marginal model* GEE |
Random model* likelihood integration |
|||||
| Estimate |
SE |
p value |
Estimate |
SE |
p value |
|
|
|
|
|||||
| Baseline |
||||||
| Living alone |
-0.31 |
0.09 |
0.0004 |
-0.66 |
0.18 |
0.0002 |
| BMI (kg/m2) |
||||||
| < 25 (ref) |
0 |
0 |
||||
| 25 – 29 |
0.30 |
0.10 |
0.002 |
0.69 |
0.20 |
0.0005 |
| ≥ 29 |
0.75 |
0.12 |
< 0.0001 |
1.46 |
0.23 |
< 0.0001 |
| Visual acuity |
||||||
| ≤ 2/10 |
0.64 |
0.20 |
0.001 |
1.21 |
0.35 |
0.0006 |
| > 2/10 (ref) |
0 |
0 |
||||
| Perceived health |
||||||
| Bad or very bad |
0.76 |
0.15 |
< 0.0001 |
1.43 |
0.28 |
< 0.0001 |
|
|
||||||
| Follow-up |
||||||
| Hospitalised (past year) |
0.26 |
0.05 |
< 0.0001 |
0.49 |
0.11 |
< 0.0001 |
| Temporarily bed confined (past year) |
0.39 |
0.07 |
< 0.0001 |
0.73 |
0.15 |
< 0.0001 |
| Number of falls ≥ 2 (past year) |
0.23 |
0.08 |
0.004 |
0.49 |
0.15 |
0.0013 |
|
*adjusted on time since inclusion, age at inclusion, age × time, baseline disability and death | ||||||
Carrière and Bouyer BMC Medical Research Methodology 2002 2:15 doi:10.1186/1471-2288-2-15 |
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