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Table 1 Somatic characteristics of study sample of school children in rural central Tanzania (N = 223)

From: Low leptin levels are associated with elevated physical activity among lean school children in rural Tanzania

Children’s characteristics

Overall (N = 223)

Girls (n = 118)

Boys (n = 105)

Age [years]

11.1 (10.2; 11.8)

11.0 (10.2; 11.6)

11.1 (10.3; 11.9)

Leptin [ng/mL]

0.91 (0.55; 1.69)

1.28 (0.81; 2.67)

0.69 (0.41; 0.96)

Body height [cm]

135.1 (131.4; 140.6)

134.9 (130.1; 140.4)

135.1 (131.6; 141.6)

HAZ

-1.16 (-1.96; -0.61)

-1.34 (-2.16; -0.69)

-1.05 (-1.71; -0.58)

Body weight [kg]

27.3 (25.0; 30.1)

27.1 (24.4; 29.7)

27.6 (25.7; 30.8)

BMI [kg/m2]

14.9 (14.1; 15.7)

14.6 (13.8; 15.5)

15.1 (14.5; 15.8)

BMI-z-score

-1.35 (-1.93; -0.82)

-1.49 (-2.03; -0.91)

-1.11 (-1.67; -0.73)

MUAC [cm]

18.1 (17.4; 19.3)

18.2 (17.5; 19.6)

18.1 (17.4; 18.9)

Prevalence of malnutrition* [%]

 Severe thinness

3.1

2.5

3.8

 Thinness

17.9

23.7

11.4

 Normal weight

78.9

73.7

84.8

 Severe stunting

1.3

0.8

1.9

 Moderate stunting

22.0

28.8

14.3

 Normal height

76.7

70.3

83.8

 Undernutrition**

37.3

45.8

28.6

  1. Data presented as medians and interquartile ranges or frequencies; HAZ height-for-age z-score, BMI body mass index, MUAC mid upper arm circumference
  2. *Prevalence of malnutrition based on WHO [34]
  3. **Child is stunted and/or too thin