Table 5 Linear mixed models testing associations between organizational contextual factors and isoniazid preventive therapy

Physical infrastructure

0.002

0.003

− 0.005

0.008

0.605

 Study group

− 0.006

0.094

− 0.190

0.178

0.950

 Time (months)

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

0.335

0.222

− 0.099

0.769

0.131

Flexibility of clinic hours

0.001

0.001

− 0.001

0.004

0.277

 Study group

0.016

0.080

− 0.141

0.173

0.842

 Time (months)

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

0.357

0.099

0.163

0.551

< 0.001

Monitoring data for improvement

0.004

0.002

0.001

0.008

0.004

 Study group

0.026

0.069

− 0.110

0.161

0.712

 Time (months)

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

0.156

0.112

− 0.063

0.374

0.163

Leadership support

0.003

0.002

0.000

0.006

0.056

 Study group

0.053

0.078

− 0.099

0.205

0.494

 Time (months)

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

0.267

0.107

0.057

0.477

0.013

Supportive context for change (month 12)

− 0.009

0.008

− 0.024

0.007

0.267

 Study group

− 0.012

0.084

− 0.178

0.153

0.884

 Time (months)

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

1.137

0.626

− 0.089

2.364

0.069

Supportive context for change (month 12 adjusted for baseline)

− 0.014

0.008

− 0.030

0.002

0.08

 Study group

0.002

0.081

− 0.158

0.161

0.98

 Baseline score

0.023

0.014

− 0.005

0.050

0.11

 Time

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

− 0.198

1.022

− 2.201

1.806

0.85

Degree of integrated HIV-TB services (month 12)

0.009

0.013

− 0.016

0.034

0.49

 Study group

0.016

0.082

− 0.144

0.175

0.85

 Time (months)

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

0.019

0.614

− 1.185

1.223

0.98

Degree of integrated HIV-TB services (adjusted for baseline)

0.010

0.013

− 0.015

0.036

0.43

 Study group

0.083

0.109

− 0.130

0.296

0.45

 Baseline score

0.018

0.019

− 0.020

0.056

0.35

 Time

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

− 0.957

1.208

− 3.324

1.411

0.43

District

− 0.107

0.067

− 0.238

0.025

0.111

 Study group

0.005

0.078

− 0.147

0.157

0.951

 Time (months)

0.008

0.003

0.002

0.014

0.012

 Study group*Time

0.012

0.004

0.004

0.020

0.004

 Constant

0.499

0.065

0.372

0.625

< 0.001