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Table 1 Associations of personal and socio-environmental factors with initiation of unhealthy weight control behaviours.

From: Predictors of initiation and persistence of unhealthy weight control behaviours in adolescents

 

Initiation (vs. Never-engaging)

 

Boys

Girls

Predictor

OR

95% CI

R 2

OR

95% CI

R 2

Personal Factors

  

0.35

  

0.46

Self-esteem

0.58

0.44-0.75

0.16

0.71

0.55-0.91

0.15

Change in self-esteem

0.89

0.83-0.95

 

0.86

0.80-0.92

 

Depressed mood

1.57

1.22-2.03

0.15

1.52

1.19-1.94

0.16

Change in depressed mood

1.14

1.06-1.23

 

1.18

1.10-1.26

 

Weight concerns

4.84

3.32-7.04

0.31

5.09

3.55-7.30

0.43

Change in weight concerns

3.64

2.70-4.91

 

5.87

4.21-8.17

 

Body dissatisfaction

1.05

1.01-1.08

0.16

1.07

1.04-1.11

0.20

Change in dissatisfaction

1.06

1.03-1.09

 

1.08

1.06-1.11

 

Weight and shape importance

1.71

1.29-2.25

0.17

2.23

1.59-2.84

0.20

Change in importance

1.85

1.45-2.37

 

2.30

1.78-2.97

 

Benefits: healthy eating

1.16

0.91-1.49

0.14

1.51

1.18-1.93

0.13

Change in benefits

1.50

1.12-2.01

 

1.81

1.33-2.46

 

Health concerns

1.30

1.03-1.65

0.13

0.99

0.79-1.25

0.10

Change in health concerns

1.10

1.01-1.19

 

1.03

0.94-1.12

 

Socio-Environmental Factors

  

0.27

  

0.26

Parental concern about weight

1.64

1.24-2.16

0.16

1.42

1.07-1.89

0.11

Change in parental concern

1.09

1.01-1.17

 

1.03

0.95-1.12

 

Peer dieting

1.98

1.45-2.70

0.20

1.57

1.20-2.04

0.13

Change in peer dieting

1.37

1.10-1.70

 

1.38

1.14-1.68

 

Teasing frequency

1.40

1.07-1.85

0.13

1.22

0.92-1.61

0.10

Change in teasing frequency

1.14

0.93-1.39

 

1.21

0.92-1.61

 

Weight loss article reading

1.68

1.23-2.27

0.16

1.92

1.49-2.48

0.21

Change in reading

1.71

1.36-2.16

 

2.07

1.67-2.58

 

Family connectedness

0.90

0.72-1.13

0.13

0.70

0.56-0.88

0.12

Change in connectedness

0.97

0.91-1.03

 

0.93

0.87-0.98

 

Combined Models

      

All predictors (personal and socio-environmental)

0.45

  

0.51

Covariates only (cohort, race, weight status)

0.12

  

0.10

  1. Note. N = 791 for boys, 598 for girls. All models are adjusted for cohort, race/ethnicity, and weight status from Time 1 to Time 2. R2 = percent variance explained by separate and combined predictor models. Each of 12 single predictor models includes predictor, change in predictor, and covariates. Combined models include all personal, all socio-environmental, or all predictors as well as change in predictor and covariates. Statistically significant odds ratios (p < .05) are shown in bold type.
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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