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Table 6 Item-specific change-scores (predictors) of sitting during TV time, computer use, motorized transport and occupation (longitudinal analyses)

From: Intrapersonal, social-cognitive and physical environmental variables related to context-specific sitting time in adults: a one-year follow-up study

Predictors

Dependent variables

 

Sitting while watching TV

Sitting during PC use

Sitting during motorized transport

Occupational sitting

 

B (SE)

p

B (SE)

p

B (SE)

p

B (SE)

p

Intrapersonal variables

 Body Mass Index

-

-

−2.95 (1.72)

ns

-

-

-

-

 Occupational status^

Stop working (from BL to FU)

-

-

-

-

−37.65 (11.86)

**

−98.22 (30.54)

**

Start working (from BL to FU)

-

-

-

-

−46.80 (20.13)

*

−27.85 (52.06)

ns

 Residential area^

Increase (from BL to FU)

-

-

-

-

-

-

82.58 (63.87)

ns

Decrease (from BL to FU)

-

-

-

-

-

-

−79.40 (32.56)

*

 Depressive symptoms

Developing depressive symptoms (from BL to FU)

-

-

-

-

-

-

-

-

Disappearance of depressive symptoms (from BL to FU)

-

-

-

-

-

-

-

-

 Children living at home^

Stable (from BL to FU)

−22.58 (9.84)

*

-

-

-

-

-

-

Getting children (from BL to FU)

3.81 (25.66)

ns

-

-

-

-

-

-

No children living at home (from BL to FU)

−18.21 (20.81)

ns

-

-

-

-

-

-

Social-cognitive variables

 Attitude 1

-

-

-

-

-

-

-

-

 Attitude 2

-

-

-

-

-

-

-

-

 Attitude 3

7.96 (3.40)

*

-

-

-

-

-

-

 Attitude 4

-

-

-

-

x

x

x

x

 Self-efficacy 1

x

x

-

-

−4.59 (2.36)

ns

-

-

 Self-efficacy 2

-

-

-

-

8.48 (2.70)

**

-

-

 Self-efficacy 3

-

-

x

x

-

-

-

-

 Norm

-

-

-

-

-

-

-

-

 Social norm

9.76 (5.00)

ns

x

x

-

-

-

-

 Social support 1

-

-

x

x

-

-

x

x

 Social support 2

-

-

-

-

-

-

x

x

 Modelling 1

9.91 (2.93)

***

x

x

16.47 (5.43)

**

x

x

 Modelling 2

x

x

x

x

-

-

x

x

Physical environment

 TV set

-

-

x

x

x

x

x

x

 Other TV-viewing equipment

−2.19 (2.14)

ns

x

x

x

x

x

x

 PC equipment (desktop & laptop)

x

x

-

-

x

x

x

x

 Other equipment for computer use

x

x

-

-

x

x

x

x

 Standing desks at occupation

Yes, getting some (from BL to FU)

x

x

x

x

x

x

-

-

No, not anymore (from BL to FU)

x

x

x

x

x

x

-

-

 Motorized vehicles

x

x

x

x

10.73 (3.68)

**

x

x

  1. “x” indicates predictors not inserted in analyses for context-specific sedentary behaviour. “-” indicates predictors that showed levels of significance p ≥.10 at the second step. All analyses were adjusted for baseline context-specific sedentary behaviour, age, educational level and change-score for total physical activity
  2. Abbreviations: BL baseline, FU follow-up, PC computer, TV television, SE standard error, ns not significant. Predictors inserted in the fourth step were labelled: ***p <.001; **p <.01; *p <.05. B-values can be interpreted as change in minutes/day of context-specific sitting time. The reference category (^) for occupational status and residential area was ‘being in the stable group’; for children living at home, ‘having no children’ was used as the reference category