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Table 7 Multivariable logistic regression results of impact of intervention on six-month service uptake outcomes

From: Randomized evaluation and cost-effectiveness of HIV and sexual and reproductive health service referral and linkage models in Zambia

  Uptake of HTC Uptake of FP Uptake of VMMC Uptake of CCS Uptake of HIV C&T Uptake of STI C&T
  OR CI Sign. OR CI Sign. OR CI Sign. OR CI Sign. OR CI Sign. OR CI Sign.
Model 1: Study arm
 Study arm
  Standard of care 1    1    1    1    1    1   
  Enhanced referral 1.36 0.95–1.94 0.77 0.51–1.17   1.45 0.75–2.79   2.67 1.89–3.77 *** 1.21 0.89–1.63   0.90 0.60–1.37  
  Enhanced referral & escort 1.30 0.91–1.87   0.93 0.61–1.40   2.89 1.60–5.25 *** 2.89 2.05–4.07 *** 1.27 0.94–1.71   0.99 0.66–1.50  
  N 838    772    1110    1660    3204    3204   
  Chi-square 3.33    1.53    14.79   *** 47.42   *** 2.66    0.28   
  Degrees of freedom 2    2    2    2    2    2   
Model 2: Study Arm + Site + Demographic Covariates
 Study Arm AOR CI Sign. AOR CI Sign. AOR CI Sign. AOR CI Sign. AOR CI Sign. AOR CI Sign.
  Standard of care 1    1    1    1    1    1   
  Enhanced referral 1.36 0.95–1.95 0.79 0.50–1.23   1.49 0.77–2.90   2.76 1.94–3.91 *** 1.26 0.92–1.72   0.89 0.59–1.36  
  Enhanced referral & escort 1.28 0.89–1.85   0.87 0.56–1.35   2.85 1.55–5.23 *** 2.98 2.10–4.22 *** 1.30 0.95–1.77 0.98 0.64–1.48  
 Entry Sitea
  SFH HTC - Cairo Road     1    1    1    1    1   
  Chawama Clinic - MCH 1          1.45 0.79–2.66   2.11 1.16–3.84 * 1.58 0.57–4.36  
  Chawama Clinic - Out Patient Ward (VMMC)              1.06 0.45–2.49   1.55 0.56–4.28  
  Kamwala Clinic - TB, STI & HIV Clinic     1.15 0.56–2.38   0.26 0.06–1.20 0.88 0.41–1.88   2.17 1.21–3.90 ** 2.78 1.19–6.49 *
  Kapata Urban Clinic, MCH 1.38 0.99–1.93        2.12 1.20–3.73 ** 1.77 1.00–3.13 2.74 1.14–6.55 *
  Kapata Urban Clinic, TB, STI & HIV     1.87 1.00–3.50 0.90 0.40–2.01   1.39 0.78–2.48   1.02 0.59–1.76   1.89 0.86–4.13  
  Chipata Gen Hosp - OP VMMC              0.81 0.29–2.24   1.40 0.47–4.17  
  SFH New Start     1.02 0.52–2.02   1.82 0.87–3.79   0.73 0.38–1.41   1.64 0.97–2.78 2.57 1.20–5.48 *
  SFH VMMC              1.22 0.34–4.34   0.55 0.06–4.72  
 Genderb
  Male              1    1   
  Female              1.65 1.15–2.35 ** 0.93 0.58–1.48  
 Age 1.02 0.99–1.06   0.96 0.92–1.00 * 0.99 0.94–1.05   1.03 1.00–1.06 * 1.09 1.06–1.11 *** 1.04 1.00–1.08 *
 Highest grade completed 1.02 0.97–1.07   1.09 1.02–1.17 * 0.99 0.90–1.08   1.02 0.98–1.06   0.95 0.92–0.99 ** 0.97 0.92–1.03  
 Marital Status
  Not currently married 1    1    1    1    1    1   
  Currently married/living with partner 0.73 0.49–1.08   4.14 2.69–6.35 *** 0.52 0.24–1.14   1.1 0.80–1.52   0.89 0.66–1.20   0.73 0.48–1.11  
 Number of children 1.00 0.87–1.15   1.17 1.00–1.37 * 1.01 0.78–1.30   0.99 0.89–1.10   0.97 0.89–1.07   0.92 0.80–1.07  
 Residence
  Urban 1    1    1    1    1    1   
  Rural 0.80 0.39–1.66   1.82 0.68–4.87   0.30 0.04–2.25   1.23 0.67–2.24   0.60 0.32–1.11   0.78 0.35–1.76  
 Employment status
  Not working 1    1    1    1    1    1   
  Currently working 1.06 0.77–1.47   0.95 0.65–1.40   0.76 0.45–1.28   1.19 0.90–1.56   1.08 0.83–1.41   1.28 0.88–1.86  
 Number of household assets 0.99 0.91–1.06   0.98 0.89–1.08   1.10 0.97–1.24   0.94 0.88–1.00 0.96 0.90–1.03   0.91 0.83–0.99 *
 Distance to health facilityc 0.98 0.90–1.05   1.01 0.97–1.06   1.00 0.96–1.05   1.00 0.95–1.05   1.01 0.99–1.04   1.03 1.00–1.05
  N 828    764    1096    1642    3172    3172   
  Chi-Square 14.84    83.28   *** 47.69   *** 96.20   *** 170.18   *** 35.30   *
  Degrees of Freedom 12    14    14    16    20    20   
  1. OR Odds Ratio, AOR Adjusted Odds Ratio, CI 95 % Confidence Interval, Sign Statistical Significance of p-value
  2. ***p < .001; **p < .01; *p < .05; †p < .10
  3. aEntry sites included in model dependent on outcome variable
  4. bGender of outcome variable constant if omitted from model
  5. c38 % of baseline sample don’t know distance, therefore a dummy was also included (1 = Yes if don’t know distance)