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Table 7 A separate and joint model comparison for longitudinal CD4 cell count change and time to default from HAART

From: Determinants of CD4 cell count change and time-to default from HAART; a comparison of separate and joint models

parameter Separate models Joint models
Posterior mean p-value Posterior mean p-value
Longitudinal sub models
 Intercept 4.350 0.004 4.130 0.002
 Age −0.006 0.003 − 0.036 0.005
 Weight 0.001 0.082 0.001 0.082
 Baseline CD4 0.004 0.008 0.002 0.008
Marital Status (Reference = without partner)
 With partner 0.007 0.003 0.005 0.003
Sex (Reference = male)     
 Female 0.034 0.004 0.023 0.003
Ownership of cell phone (Reference = With phone)
 Without cell phone −0.001 0.004 −0.001 0.004
Level of adherence (Reference = Good adherence)
 Poor adherence − 0.523 0.004 − 0.483 0.002
 Fair adherence −0.452 0.001 −0.552 0.002
Level of disclosure of the disease (Reference = yes)
 No −0.002 0.003 −0.102 0.003
WHO stages (Reference = Stage IV)
 Stage I 0.151 0.002 0.251 0.002
 Stage II 0.1567 0.032 0.157 0.032
 Stage III 0.1381 0.231 0.438 0.031
 Time 0.021 0.001 0.121 0.021
 Var (V0i) 0.882 0.032 0.862 0.023
 Var (V1i) 0.021 0.043 0.011 0.005
 Cov (V0i, V1i) - 0.054 0.032 - 0.064 0.006
 Corr (V0i, V1i) −0.821 0.021 −0.731 0.001
Survival sub models
 Intercept 1.202 0.003 1.402 0.004
 Age −0.006 0.003 −0.036 0.005
 Baseline CD4 0.004 0.008 0.002 0.008
Marital Status (Reference = without partner)
 With partner 0.007 0.003 0.005 0.003
Sex (Reference = male)     
 Female 0.034 0.004 0.023 0.003
 Without cell phone −0.001 0.004 − 0.001 0.004
Level of adherence (Reference = Good adherence)
 Poor adherence − 0.523 0.004 − 0.483 0.002
 Fair adherence −0.452 0.001 −0.552 0.002
Level of disclosure the disease (Reference = yes)
 No − 0.002 0.003 − 0.102 0.003
WHO stages (Reference = Stage IV)
 Stage I 0.151 0.002 0.251 0.002
 Stage II 0.157 0.032 0.157 0.032
 Stage III 0.138 0.231 0.438 0.031
 Time(visiting time) 0.021 0.001 0.121 0.021
τ1    −2.324 0.005
τ3    0.051 0.003
ρ 0.654 0.004 0.864 0.003