Table 3 Intervention effects on secondary outcomes trajectories

Fixed effects

 Baseline intercept

12.36*** (.78)

10.83, 13.88

4.85*** (.48)

3.92, 5.81

 Linear slope trajectory

.00 (.05)

− .10, .11

.000 (.026)

− .05, .05

 Intervention

− .02 (.01)

− .04, .02

− .006 (.007)

− .02, .008

Controls (at baseline)

 Age

.000 (.001)

− .003, .003

.000 (.001)

− .001, .002

 Education levels

.001 (.005)

− .008, .011

.001 (.002)

− .004, .005

 Numbers of children

.016 (.011)

− .004, .037

.005 (.005)

− .005, .014

 Income (monthly)

.000 (.000)

.000, .000

.000 (.000)

.000, .000

 Diagnosis with HIV during the pregnancy

.022 (.017)

− .010, .055

.015 (.008)

.000, .030

 Children HIV positive

.001 (.015)

− .028, .029

− .003 (.008)

− .019, .012

 Partner HIV positive

− .004 (.016)

− .035, .026

.006 (.009)

− .011, .024

 Disclosure to partner

− .025 (.021)

− .066, .016

− .003 (.009)

− .020, .013

 Marital status (vs. currently married)

  Not married, and not living together

− .002 (.020)

− .040, .037

− .001 (.011)

− .022, .019

  Not married, but living together

− .011 (.021)

− .051, .030

− .016 (.011)

− .039, .006

Random effects

 1st Level (intra-individual variance)

  Residual

4.58*** (.336)

3.92, 5.24

1.43*** (.08)

1.31, 1.63

 2nd Level (inter-individual variance)

  Baseline intercept

3.96*** (.71)

2.57, 5.36

.65*** (.14)

.37, .93

  Linear slope trajectory

.01** (.002)

.003, .012

.001* (.001)

.000, .002

  Covariance (intercept, linear slope)

− .10** (.03)

− .163, − .031

− .02* (.007)

− .033, − .004

  Covariance (intercept, intervention)

− .16 (.11)

− .37, .06

− .08 (.05)

− .174, .013

 3rd Level (site-variance)

  Baseline intercept

.42 (.47)

− .51, 1.34

.08 (.04)

− .002, .166

  Intervention

.00 (.005)

− .01, .01

.000 (.000)

.000, .000

Model fit

 − 2LL (deviance)

11162.43

8316.10

 Numbers of parameters

32

32

 AIC/BIC

11,226.43/11,363.87

8380.10/8517.55

 Average ICCs (without covariates)

.104

.082