Table 2 Zero-inflated negative binomial regressions predicting alcohol use (N = 2299).

From: Emotional and cognitive influences on alcohol consumption in middle-aged and elderly Tanzanians: a population-based study

Variables

OR/IRR

95% CI for IRR/OR

P value

Lower

Upper

Logistic portion of model (for predicting excess zeros, OR)

 CES-D-10 score

0.916

0.870

0.964

 < .001***

 Cognitive score

1.005

0.951

1.060

.868

 Age

0.992

0.974

1.010

.384

 Education Level

0.934

0.886

0.985

.012

 Gender (Men versus Women)

2.296

1.642

3.211

 < .001***

 Religion (Christians versus Muslims)

2.256

1.620

3.142

 < .001***

Count portion of model (negative binomial regression with log link, IRR)

 CES-D-10 score

0.978

0.960

0.996

.016

 Cognitive score

0.953

0.919

0.988

.010

 Age

0.983

0.971

0.995

.007

 Education Level

1.045

1.007

1.083

.018

 Gender (Men versus Women)

0.474

0.375

0.599

 < .001***

 Religion (Christians versus Muslims)

0.643

0.517

0.799

 < .001***

  1. CES-D-10: 10-item Centre for Epidemiological Studies Depression Scale.
  2. SE: Standard error. OR: Odds ratio. IRR: Incidence risk ratio.
  3. Significant values are in bold.
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