Exposure covariate | Models | H R( t) | |
---|---|---|---|
H P | LWA | ||
λ i ( t,Z i ) | λ i ( t,Z i ) | ||
Time-dependent | |||
and no time-dependent effect |
|
|
|
With adjustment for Z | λ 0(t)exp(γ E i (t)+β ′ Z i ) |
| |
and with interaction | λ 0(t)exp(γ E i (t)+β ′ Z i +α ′(t)Z i E i (t)) | H R i (t) | |
Time-dependent | |||
and time-dependent effect |
|
|
|
With adjustment for Z | λ 0(t)exp(γ(t)E i (t)+β ′ Z i ) |
| |
and with interaction | λ 0(t)exp(γ(t)E i (t)+β ′ Z i +α ′(t)Z i E i (t)) | H R i (t) |