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Table 2 Intervention effects on primary outcomes

From: A cluster randomized controlled trial of lay health worker support for prevention of mother to child transmission of HIV (PMTCT) in South Africa

 

Infant HIV status (at 6 weeks)

Infant HIV status (at 12 month)

Maternal adherence (at 32 weeks)

Mother-reported infant adherence (at 6 weeks)

b (SE)

95% CI

b (SE)

95% CI

b (SE)

95% CI

b (SE)

95% CI

Fixed effects

 Intervention

.22 (.79)

− 1.32, 1.77

− 1.13 (3.03)

− 7.09, 4.81

.12 (.84)

− 1.53, 1.77

.09 (.32)

− .53, .74

Controls (at baseline)

 Age

− .01 (.08)

− .16, .14

− .26 (.13)

− .52, .002

.02 (.04)

− .07, .11

.00 (.03)

− .06, .06

 Education levels

.18 (.27)

− .34, .72

− .10 (.32)

− .73, .53

.32 (.18)

− .05, .69

.11 (.08)

− .05, .27

Number of children

.39 (.45)

− .48, 1.27

2.43* (1.08)

.31, .45

− .35 (.29)

− .93, .22

− .01 (.15)

− .31, .29

 Income (monthly)

− .001 (.003)

− .008, .005

− .002 (.005)

− .01, .007

− .001 (.001)

− .003, .001

.00 (.001)

− .001, .001

 Diagnosis with HIV during the pregnancy

.31 (.81)

− 1.29, 1.93

.06 (1.20)

− 2.29, 2.42

− 1.43* (.59)

− 2.58, − .28

.20 (.26)

− .31, .72

  Children HIV positive

− .17 (.85)

− 1.81, 1.50

1.58 (.93)

− .25, 3.42

.04 (.40)

− .75, .84

− .23 (.26)

− .74, .28

  Partner HIV positive

.21 (1.01)

− 1.81, 2.11

.48 (1.39)

− 2.24, 3.21

− .17 (.57)

− 1.31, .95

.28 (.32)

− .35, .92

  Disclosure to partner

− .99 (.90)

− 2.68, .83

.57 (1.17)

− 1.71, 2.87

.77 (.69)

− .58, 2.13

.43 (.27)

− .10, .95

  Marital status (vs. currently married)

   Not married, and not living together

− .13 (1.32)

− 2.81, 2.48

2.44 (2.16)

− 1.79, 6.69

.25 (.58)

− .88, 1.40

− .09 (.35)

− .79, .59

   Not married, but living together

1.07 (1.29)

− 1.44, 3.65

− 3.82 (6.52)

− 16.61, 8.95

.64 (.67)

− .65, 1.95

− .12 (.41)

− .92, .70

Random effects

 Intercept

.000 (.001)

− .30, .31

10.54 (16.30)

− 21.51, 42.61

1.66 (1.14)

− .56, 3.91

.06 (.12)

− .17, .30

 Intervention

.18 (.83)

− 1.78, 1.82

1.99 (25.03)

− 47.18, 51.82

.05 (.94)

− 1.50, 1.62

.07 (.18)

− .28, .42

Model fit

 − 2LL (deviance)

83.270

84.912

333.908

588.446

 Numbers of parameters

14

14

14

14

 AIC/BIC

111.270/171.404

171.404/173.047

361.907/422.041

616.445/676.579

 ICC (without covariates)

.00

.018

.022

.098

  1. Unstandardized logistic coefficients were shown. SE Standard error, CI confidence interval, AIC akaike information criteria, BIC Bayesian information criteria, Covariances between random intercept and random slope were fixed to 0. ICC Intra-class correlations
  2. *p < .05