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Table 2 Rate ratios for appropriate prevention messaging from Poisson models

From: Pre/post evaluation of a pilot prevention with positives training program for healthcare providers in North West Province, Republic of South Africa

  

HIV Positive

HIV Negative

Difference in Difference

Outcome

Analysis

RR

95% CI

p-value

RR

95% CI

p-value

Ratio of RR

95% CI

p-value

Summary

Unadjusted

0.87

0.82–0.91

<0.001

1

0.94–1.07

0.943

0.86

0.80–0.94

0.001

Adjusted

0.92

0.87–0.97

0.004

1.05

0.98–1.12

0.133

0.88

0.81–0.95

0.002

n = 864

         

Sexual activity

Unadjusted

0.83

0.70–0.99

0.038

1.33

1.06–1.67

0.014

0.63

0.47–0.83

0.001

Adjusted

0.99

0.82–1.19

0.901

1.52

1.20–1.93

0.001

0.65

0.49–0.87

0.003

n = 721

         

Safer sex

Unadjusted

0.88

0.79–0.99

0.031

1

0.89–1.12

0.997

0.88

0.76–1.04

0.129

Adjusted

0.92

0.82–1.03

0.159

1.03

0.91–1.16

0.637

0.89

0.76–1.05

0.167

n = 658

         

Adherence to ARVs and other meds

Unadjusted

0.83

0.73–0.95

0.006

      

Adjusted

0.85

0.74–0.98

0.023

      

n = 258

         

Drug and alcohol

Unadjusted

0.99

0.83–1.18

0.927

0.77

0.63–0.96

0.017

1.28

0.98–1.68

0.074

Adjusted

1.13

0.94–1.36

0.185

0.85

0.68–1.06

0.149

1.33

1.01–1.75

0.042

n = 642

         

Signs and symptoms of STIs

Unadjusted

0.82

0.70–0.95

0.01

0.96

0.80–1.15

0.643

0.85

0.67–1.08

0.178

Adjusted

0.89

0.75–1.05

0.163

1.04

0.86–1.25

0.705

0.86

0.68–1.09

0.209

n = 760

         

Pregnancy status and intentions

Unadjusted

0.78

0.65–0.93

0.005

1.22

0.97–1.55

0.093

0.63

0.47–0.85

0.002

Adjusted

0.75

0.62–0.90

0.002

1.16

0.91–1.48

0.24

0.65

0.48–0.87

0.004

n = 596

         

Condom Demonstration

Unadjusted

0.74

0.66–0.83

<0.001

0.89

0.79–1.00

0.053

0.83

0.71–0.98

0.027

Adjusted

0.81

0.72–0.91

0.001

0.95

0.84–1.08

0.437

0.85

0.72–1.01

0.058

n = 774

         
  1. RR Rate ratio, CI Confidence interval