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Table 3 Generalized estimating equations predicting baseline-endline difference of the differences in knowledge, attitude and practice of iodine deficiency disorder and iodized salt among women in Southwest Ethiopia, 2016–2017

From: Effect of nutrition education on iodine deficiency disorders and iodized salt intake in south west Ethiopian women: a cluster randomized controlled trial

Predictors

Knowledge

Attitude

Practice

β (SE)

95% CI

β (SE)

95% CI

β (SE)

95% CI

Lower

Upper

 

Lower

Upper

 

Lower

Upper

Nutrition education

8.809** (0.178)

8.459

9.158

3.352** (0.094)

3.168

3.535

2.895** (0.081)

2.737

3.054

Age in year

− 0.010 (0.015)

− 0.038

0.019

− 0.004 (0.013)

− 0.029

0.021

0.005 (0.008)

− 0.010

0.020

Family size

− 0.250 (0.225)

− 0.692

0.191

0.544* (0.220)

0.113

0.975

0.161 (0.114)

− 0.062

0.384

Educational status

0.233 (0.212)

− 0.182

0.647

0.579* (0.203)

0.180

0.977

− 0.095 (0.103)

− 0.297

0.106

Geographic location

− 0.395 (0.209)

− 0.804

0.014

0.154 (0.196)

− 0.230

0.538

− 0.315* (0.100)

0.511

− 0.119

Wealth index

         

 Medium

− 0.190 (0.283)

− 0.744

0.364

0.240 (0.265)

− 0.278

0.759

− 0.278 (0.150)

− 0.572

0.017

 Poor

− 0.511* (0.230)

− 0.962

0.059

0.700* (0.229)

0.252

1.148

− 0.093 (0.106)

− 0.300

0.114

Iodized salt+

− 0.284 (0.210)

− 0.696

0.128

− 0.164 (0.202)

− 0.560

0.231

− 0.612** (0.099)

0.807

0.417

  1. Italics indicate different levels of significance
  2. Reference categories: Nutrition education (control), age (continuous variable), family size (≤5), educational status (formal), geographic location (lowland), wealth index (rich), iodized salt (available)
  3. **Significant at P < 0.0001
  4. *Significant at P < 0.05
  5. +Iodized salt, not available in nearby shop/market