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Table 8 Association of education with eating behaviors in Japanese women: Unadjusted odds ratio (OR) and adjusted odds ratio (OR) and 95 % confidence interval (95 % CI)

From: Association of household income and education with eating behaviors in Japanese adults: a cross-sectional study

Dependent variables||

Independent variables

Education

Group

Unadjusted§

Trend p-value

Adjusted§

Trend p-value

OR

95 % CI

p-value

OR

95 % CI

p-value

Taking care of one’s diet for healtha

Junior high/high school

1.00

(ref)

 

<0.001***

1.00

(ref)

 

<0.001***

2-year college

1.74

1.08–2.35

<0.001***

 

1.57

1.16–2.13

0.004**

 

4-year college/graduate school

2.08

1.52–2.85

<0.001***

 

1.93

1.39–2.70

<0.001***

 

Eating vegetablesb

Junior high/high school

1.00

(ref)

 

<0.001***

1.00

(ref)

 

<0.001***

2-year college

1.36

1.06–1.75

0.015*

 

1.23

0.95–1.59

0.124

 

4-year college/graduate school

1.98

1.53–2.57

<0.001***

 

1.88

1.43–2.48

<0.001***

 

Frequency of eating breakfastc

Junior high/high school

1.00

(ref)

 

0.678

1.00

(ref)

 

0.471

2-year college

1.12

0.84–1.49

0.435

 

1.04

0.78–1.40

0.796

 

4-year college/graduate school

1.07

0.80–1.43

0.645

 

1.13

0.83–1.54

0.450

 

Frequency of family breakfastsc

Junior high/high school

1.00

(ref)

 

0.041*

1.00

(ref)

 

0.020*

2-year college

1.17

0.91–1.53

0.236

 

1.10

0.83–1.44

0.534

 

4-year college/graduate school

1.33

1.01–1.74

0.040*

 

1.42

1.05–1.90

0.021*

 

Frequency of family dinnersc

Junior high/high school

1.00

(ref)

 

0.197

1.00

(ref)

 

0.454

2-year college

0.98

0.77–1.26

0.898

 

0.86

0.65–1.13

0.269

 

4-year college/graduate school

0.85

0.66–1.10

0.215

 

0.88

0.66–1.19

0.405

 

Using the information on nutrition labelsb

Junior high/high school

1.00

(ref)

 

<0.001***

1.00

(ref)

 

<0.001***

2-year college

1.38

1.07–1.77

0.012*

 

1.33

1.04–1.72

0.026*

 

4-year college/graduate school

2.04

1.57–2.65

<0.001***

 

2.00

1.53–2.63

<0.001***

 

Conversations with family or friends during mealsb

Junior high/high school

1.00

((ref))

 

<0.001***

1.00

((ref))

 

<0.001***

2-year college

1.43

1.11–1.84

0.005**

 

1.32

1.02–1.70

0.036*

 

4-year college/graduate school

1.85

1.42–2.39

<0.001***

 

1.81

1.37–2.38

<0.001***

 
  1. *P < 0.05; **P < 0.01; ***P < 0.001
  2. Trend test
  3. The independent variable of education was adjusted for age classification, marital status, residence status, employment status and household income
  4. §OR = odds ratio; CI = confidence interval; ref = referent group
  5. ||As the dependent variable of dietary behaviors, seven items were confirmed the distribution of the answer and categorized in positive answer = 1, negative answer = 0
  6. aResponses were given in six categories: (1) very often; (2) often; (3) sometimes; (4) rarely; (5) almost never; and (6) never. People who answered (1) to (3) to the question were defined as positive answer, (4) to (6) to the question were defined as negative answer
  7. bResponses were in the following four categories: (1) very often; (2) often; (3) not much; and (4) never. People who answered (1) or (2) to the question were defined as positive answer, (3) or (4) to the question were defined as negative answer
  8. cResponses were rated in the following five categories: (1) every day; (2) 4 or 5 days/week; (3) 2 or 3 days/week; (4) 1 day/week; and (5) never. People who answered (1) to the question were defined as positive answer, (2) or (5) to the question were defined as negative answer