Skip to main content

Table 1 Description of the study population (GINIplus and LISAplus)

From: The association between physical activity and healthcare costs in children – results from the GINIplus and LISAplus cohort studies

Subject characteristic

Analyzed population (N = 3356)

Population according to MVPA activity time4

Bivariate analysis

N

Mean (SD) or %

Mean (SD) or N (%) doing

Mean (SD) or N (%) doing

MVPA (h/week) and7

<7 h/week MVPA5

≥7 h/week MVPA6

 

(N = 1030)

(N = 2326)

 

Age

3356

10.08 (0.23)

10.09 (0.25)

10.08 (0.22)

t = 0.93, p = 0.35 (TT)

Gender

    

χ2 = 0.78, p = 0.38 (PT)

Boys

1723

51.34

517 (50.19)

1206 (51.85)

 

Girls

1633

48.66

513 (49.81)

1120 (48.15)

 

BMI categories 1

    

χ2 = 10.22, p = 0.07 (PT)

Severely underweight (< P3)

89

2.65

22 (2.14)

67 (2.88)

 

Underweight (P3 to < P10)

212

6.32

60 (5.83)

152 (6.53)

 

Normal weight (P10 to P90)

2674

79.68

850 (82.52)

1824 (78.42)

 

Overweight, not obese (> P90 to P97)

194

5.78

45 (4.37)

149 (6.41)

 

Obese (> P97)

60

1.79

20 (1.94)

40 (1.72)

 

Missing

127

3.78

33 (3.20)

94 (4.04)

 

Education level of parents 2

    

χ2 = 0.08, p = 0.96 (PT)

Low (<10 years)

174

5.18

52 (5.05)

122 (5.25)

 

Medium (=10 years)

897

26.73

274 (26.60)

623 (26.78)

 

High (>10 years)

2285

68.09

704 (68.35)

1581 (67.97)

 

Relative income position 3

    

χ2 = 2.80, p = 0.25 (PT)

≤60% of median income

539

16.06

151 (14.66)

388 (16.68)

 

>60 and ≤ 100% of median income

1191

35.49

362 (35.15)

829 (35.64)

 

>100% of median income

1626

48.45

517 (50.19)

1109 (47.68)

 

Single parenthood

    

χ2 = 10.34, p = 0.01 (PT)

Yes

334

9.95

124 (12.04)

210 (9.03)

 

No

2965

88.35

895 (86.89)

2070 (88.99)

 

Missing

57

1.70

11 (1.07)

46 (1.98)

 

Study region

    

χ2 = 24.68, p < 0.0001 (PT)

Munich

1717

51.16

551 (53.49)

1166 (50.13)

 

Leipzig

354

10.55

132 (12.82)

222 (9.54)

 

Bad Honnef

185

5.51

66 (6.41)

119 (5.12)

 

Wesel

1100

32.78

281 (27.28)

819 (35.21)

 
  1. Abbreviations: BMI: body mass index; h: hours; N: number of observations; P: percentile; %: percentage; PT: Pearson chi-square test; SD: standard deviation.
  2. TT: t-test for independent samples.
  3. 1BMI categories according to Kromeyer-Hauschild et al. 2001 [28].
  4. 2Maximum completed school years of either of the parents; 3categorized relatively to the median equivalence income of the year 2007 (1521 EUR/month) [24].
  5. 4MVPA: moderate-to-vigorous physical activity (year average, dichotomized according to WHO recommendations ≥ 60 min/day MVPA) [2].
  6. 5WHO recommendations not met; 6WHO recommendations met.
  7. 7Bivariate analysis of the variable MVPA with each single covariate (age, gender, BMI, education, income, single parenthood, study region).
Back to article page

BMC Public Health

ISSN: 1471-2458

Contact us