TABLE 4 Poisson Regression Models to Predict Factors Associated With the Pregnancy Referral Rate (in 1 Year) of CHWs, Shurugwi and Chirumanzu Districts, Zimbabwe, 2013
CHW VariablesPregnancy Referral Rate
Complete-Case Model (N = 299)Imputed Model (N = 319)
IRR (95% CI)P ValueIRR (95% CI)P Value
Age, years (reference: <40)
 40–490.89 (0.80, 0.99).04*0.89 (0.80, 0.98).02*
 ≥500.81 (0.70, 0.93).002**0.81 (0.71, 0.93).002**
Gender (reference: male)1.14 (1.02, 1.26).02*1.13 (1.02, 1.25).02*
Marital status (reference: not married)0.89 (0.80, 0.98).02*0.88 (0.80, 0.97).01*
Household size1.02 (1.00, 1.03).071.01 (1.00, 1.03).047*
Tenure, years1.01 (1.00, 1.02).003**1.01 (1.00, 1.02).003**
Satisfaction with remuneration0.92 (0.87, 0.96)<.001***0.92 (0.88, 0.96)<.001***
Perceived adequacy of resources for work1.06 (1.02, 1.11).008**1.06 (1.02, 1.11).006**
Perceived positive feedback1.06 (1.01, 1.11).01*1.06 (1.01, 1.10).01*

  • Abbreviations: CI, confidence interval; IRR, incidence rate ratio; CHW, community health worker.

  • Models adjusted for CHWs’ education, knowledge, study arm, cluster ID, ward number, and median number of women of childbearing age per CHW catchment area.

  • Significant at

  • ↵* P<.05;

  • ↵** P<.01;

  • *** P<.001.