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Table 1 Lifestyle factors

From: A 3-year school-based exercise intervention improves muscle strength - a prospective controlled population-based study in 223 children

 

Girls

Boys

 

Cases (n = 47)

Controls (n = 46)

P- value

Cases (n = 76)

Controls (n = 54)

P- value

Baseline

Age

7.7 (0.6)

7.9 (0.6)

0.07

7.8 (0.6)

7.9 (0.6)

0.23

Lifestyle factors

      

Excluding dairy products

0

3 (7%)

0.11

1 (1%)

7 (13%)

<0.01

Drinking coffee

3 (6%)

1 (2%)

0.62

3 (4%)

0

0.27

Smoking

0

0

NA

0

0

NA

Alcohol

0

0

NA

0

0

NA

Tried to lose weight

1 (2%)

0

1.0

0

0

NA

Current disease

3 (6%)

3 (7%)

1.0

7 (9%)

3 (6%)

0.52

Ongoing medication

5 (11%)

2 (4%)

0.43

10 (13%)

4 (7%)

0.39

Previous medication

4 (9%)

2 (4%)

0.68

3 (4%)

5 (9%)

0.28

Previous Fracture

5 (11%)

6 (13%)

0.72

6 (8%)

6 (11%)

0.53

Tanner stage 1/2/3/4/5

47/0/0/0/0

46/0/0/0/0

NA

76/0/0/0/0

48/0/0/0/0

NA

Follow-up (after 3 years)

Age

10.7 (0.6)

11.1 (0.7)

0.003

10.8 (0.6)

11.1 (0.6)

0.01

Lifestyle factors

      

Smoking

0

0

NA

0

0

NA

Alcohol

0

0

NA

0

0

NA

Tanner stage 1/2/3/4/5 (%)

17/18/9/2/0

10/20/14/2/0

0.12

65/9/2/0/0

11/26/14/1/0

<0.001

Menarche

3 (6%)

1 (2%)

0.62

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  1. Baseline and follow-up data in the subsample of girls and boys who were measured, presented as numbers and proportion (%) or as means with standard deviations (SD). Statistically significant differences are bolded.