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Table 1 General characteristics of the sample at the time of baseline

From: Effects of a school-based physical activity intervention on mental health indicators in a sample of Brazilian adolescents: a cluster randomized controlled trial

Variables

Intervention group (n = 165)

Control group (n = 141)

Total

(n = 306)

Age (years)

13.5 ± 0.71

13.6 ± 0.66

13.5 ± 0.69

Male n, (%)

79 (47.9)

61 (43.3)

140 (45.8)

Female n, (%)

86 (52.1)

80 (56,7)

166 (54.2)

Weight (kg)

55.7 ± 14.1

54.2 ± 14.3

55.0 ± 14.2

Height (cm)

162.5 ± 0.07

161.9 ± 0.07

161.9 ± 0.07

BMI (kg/m²)

20.8 ± 4.6

20.8 ± 4.6

20.8 ± 4.6

PHV (years)

0.61 ± 0.81

0.64 ± 0.79

0.63 ± 0.80

PA (score)

2.3 ± 0.66

2.2 ± 0.71

2.3 ± 0.69

  1. BMI: Body mass index; PA: Physical activity; PHV: Peak height velocity.
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BMC Public Health

ISSN: 1471-2458

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