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Table 3 Contribution of health-related behaviors in body size perception and dissatisfaction scores by weight control behaviors

From: Body image and health-related behaviors among fitspirit participants

Variables

Body size perception score

Body size dissatisfaction score

Trying to lose weight or be thinner (n=147)

R2

Partial R2

Beta

p-value

95% CI

R2

Partial R2

Beta

p-value

95% CI

 

0.29

    

0.11

    

Age (y)

 

0.01

0.07

0.13

[-0.02, 0.17]

 

---

---

---

---

zBMI

 

0.23

-0.53

< 0.001

[-0.67, -0.38]

 

0.09

0.32

< 0.001

[0.15, 0.49]

Physical activity (h/day)

 

---

---

---

---

 

---

---

------

 

Fruits/vegetables (servings/day)

 

---

---

---

---

 

---

---

---

---

Screen-time (h/day)

 

---

---

---

---

 

---

---

---

---

Sleep duration (h/day)

 

0.05

-0.12

0.007

[-0.21, -0.03]

 

0.02

-0.09

0.08

[-0.19, 0.01]

 

Trying to control (maintain) weight (n=157)

 

0.38

    

0.13

    

Age

 

---

---

---

---

 

---

---

---

---

zBMI

 

0.29

-0.51

< 0.001

[-0.64, -0.38]

 

0.10

0.24

< 0.001

[0.14, 0.35]

Physical activity (h/day)

 

0.03

-0.18

< 0.05

[-0.30, -0.05]

 

---

---

---

---

Fruits/vegetables (servings/day)

 

---

---

---

---

 

---

---

---

---

Screen-time (h/day)

 

0.06

0.12

< 0.001

[0.07, 0.18]

 

0.03

0.06

< 0.05

[0.01, 0.11]

Sleep duration (h/day)

 

---

---

---

---

 

---

---

---

---

 

Trying to gain weight/muscle or be more defined (n=98)

 

0.04

    

0.46

    

Age

 

---

---

---

---

 

---

---

---

---

zBMI

 

0.04

-0.18

< 0.05

[-0.35, -0.01]

 

0.42

0.87

< 0.001

[0.67, 1.07]

Physical activity (h/day)

 

---

---

---

---

 

---

---

---

---

Fruits/vegetables (servings/day)

 

---

---

---

---

 

---

---

---

---

Screen-time (h/day)

 

---

---

---

---

 

0.01

0.07

0.13

[-0.02, 0.17]

Sleep duration (h/day)

 

---

---

---

---

 

0.02

0.17

< 0.05

[0.02, 0.33]

 

Not trying to do anything (n=137)

 

0.27

    

0.18

    

Age

 

0.02

0.10

< 0.05

[0.00, 0.19]

 

---

---

---

---

zBMI

 

0.20

-0.45

< 0.001

[-0.60, -0.31]

 

0.16

0.37

< 0.001

[0.22, 0.51]

Physical activity (h/day)

 

---

---

---

---

 

---

---

---

---

Fruits/vegetables (servings/day)

 

0.05

-0.10

< 0.05

[-0.17, -0.03]

 

---

---

---

---

Screen-time (h/day)

 

---

---

---

---

 

0.03

0.08

< 0.05

[0.00, 0.15]

Sleep duration (h/day)

 

---

---

---

---

 

---

---

---

---

  1. CI: confidence intervals;
  2. ---: Variable not retained in the model with the lowest Akaike’s Information Criterion-corrected (AIC);
  3. a Trying to lose weight or be thinner; AIC for BSP score = -75.09; AIC for BSD score = -65.43;
  4. b Trying to control (maintain) weight; AIC for BSP score = -72.74; AIC for BSD score = -124.94;
  5. c Trying gain weight/muscle or be more defined; AIC for BSP score = -36.36; AIC for BSD score = -6.57;
  6. d Not trying to do anything; AIC for BSP score = -50.07; AIC for BSD score = -51.22.