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Table 4 Associated factors: awareness, understanding and use of sodium labels. Results of logistic analysis by a stepwise method

From: Awareness, understanding and use of sodium information labelled on pre-packaged food in Beijing:a cross-sectional study

Final model a

β

SE b

P value

Odds Ratio

95% CI of OR

Lower

Upper

Awareness of sodium label

 Age

−0.501

0.100

< 0.001

0.606

0.498

0.737

 Educational level

0.416

0.088

< 0.001

1.516

1.276

1.801

 Cardiovascular Disease

0.704

0.210

0.001

2.022

1.339

3.052

 Score of attitude towards salt intake c

0.020

0.006

< 0.001

1.020

1.009

1.031

 Constant

−3.111

0.517

< 0.001

0.045

Understanding of sodium label d

 Educational level

0.436

0.065

< 0.001

1.547

1.361

1.757

 Awareness of recommended daily salt intake

0.937

0.183

< 0.001

2.553

1.784

3.653

 Salt reduction behavior e

0.512

0.178

0.004

1.668

1.177

2.365

 Constant

−2.149

0.267

< 0.001

0.117

The use of sodium label f

 Income level

0.355

0.143

0.013

1.426

1.078

1.886

 Score of attitude towards salt intake c

0.037

0.007

< 0.001

1.038

1.025

1.052

 Source of participants

−0.870

0.268

0.001

0.419

0.248

0.708

 Awareness of sodium label

0.553

0.272

0.042

1.739

1.020

2.964

 Constant

−4.522

0.727

< 0.001

0.011

  1. a Sex, age, source of participants, educational level, household monthly income per capita, BMI (kg/m2), existing health problems, awareness of recommended daily salt intake, score of attitude towards salt intake, and salt reduction behavior were included in the model at the first step
  2. b: Standard error
  3. c: The score of participants towards salt intake, translated into 100 points
  4. d: Knowing the relationship between salt and sodium
  5. e: The behavior of usually controlling the salt intake in daily life
  6. f: Reading or checking nutrition label most of time when shopping